ORCID Profile
0000-0003-1281-9681
Current Organisation
Macquarie University
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Research Topics
In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Top 5 Research Topics
ANZSRC Field of Research (FoR)
Linguistics | Linguistic Structures (incl. Grammar, Phonology, Lexicon, Semantics) | Aboriginal and Torres Strait Islander Languages | Language in Culture and Society (Sociolinguistics) | Linguistics not elsewhere classified | Applied Linguistics and Educational Linguistics | English Language | Discourse and Pragmatics | Language in Time and Space (incl. Historical Linguistics, Dialectology)
ANZSRC Socio-Economic Objective (SEO)
Conserving Aboriginal and Torres Strait Islander Heritage | Expanding Knowledge in Language, Communication and Culture | Aboriginal and Torres Strait Islander Education | Communication Across Languages and Culture |
Related Links
Publications
Shared cross-cultural principles underlie human prosocial behavior at the smallest scale
Publisher: Springer Science and Business Media LLC
Date: 19-04-2023
DOI: 10.1038/S41598-023-30580-5
Abstract: Prosociality and cooperation are key to what makes us human. But different cultural norms can shape our evolved capacities for interaction, leading to differences in social relations. How people share resources has been found to vary across cultures, particularly when stakes are high and when interactions are anonymous. Here we examine prosocial behavior among familiars (both kin and non-kin) in eight cultures on five continents, using video recordings of spontaneous requests for immediate, low-cost assistance (e.g., to pass a utensil). We find that, at the smallest scale of human interaction, prosocial behavior follows cross-culturally shared principles: requests for assistance are very frequent and mostly successful and when people decline to give help, they normally give a reason. Although there are differences in the rates at which such requests are ignored, or require verbal acceptance, cultural variation is limited, pointing to a common foundation for everyday cooperation around the world.
Search for single production of a vectorlike
T
Publisher: American Physical Society (APS)
Date: 25-05-2022
Universals and cultural diversity in the expression of gratitude
Publisher: The Royal Society
Date: 05-2018
DOI: 10.1098/RSOS.180391
Abstract: Gratitude is argued to have evolved to motivate and maintain social reciprocity among people, and to be linked to a wide range of positive effects—social, psychological and even physical. But is socially reciprocal behaviour dependent on the expression of gratitude, for ex le by saying ‘thank you’ as in English? Current research has not included cross-cultural elements, and has tended to conflate gratitude as an emotion with gratitude as a linguistic practice, as might appear to be the case in English. Here, we ask to what extent people express gratitude in different societies by focusing on episodes of everyday life where someone seeks and obtains a good, service or support from another, comparing these episodes across eight languages from five continents. We find that expressions of gratitude in these episodes are remarkably rare, suggesting that social reciprocity in everyday life relies on tacit understandings of rights and duties surrounding mutual assistance and collaboration. At the same time, we also find minor cross-cultural variation, with slightly higher rates in Western European languages English and Italian, showing that universal tendencies of social reciprocity should not be equated with more culturally variable practices of expressing gratitude. Our study complements previous experimental and culture-specific research on gratitude with a systematic comparison of audiovisual corpora of naturally occurring social interaction from different cultures from around the world.
Acquiring the lexicon and grammar of universal kinship
Publisher: Project MUSE
Date: 2020
Reference frames in language and cognition: cross-population mismatches
Publisher: Walter de Gruyter GmbH
Date: 2022
DOI: 10.1515/LINGVAN-2021-0091
Abstract: Numerous studies have found evidence of a speech community’s referential practices in discourse being predictive of its members’ behavior in nonverbal tasks. In this article, we discuss a series of exceptions to this alignment pattern, drawing on data from eleven populations of Asia, Europe, the Middle East, North and Central America, and Oceania. These exceptions have not been discussed in conjunction with one another and the striking commonalities across the findings of these studies have gone unnoticed: (a) in discourses referring to small-scale space, either intrinsic frame use is dominant or both relative and geocentric frames are used frequently in addition to intrinsic frames and (b) in recall/recognition memory, geocentric coding is more common than egocentric coding (in tasks that involve stationary stimulus configurations) in nine of the populations, while in the remaining two, there is evidence of extensive intrinsic coding even in nonverbal cognition. We discuss these findings in light of Haun’s innate geocentrism hypothesis (Haun, D. B. M., C. Rapold, J. Call, G. Janzen & S. C. Levinson. 2006. Cognitive cladistics and cultural override in hominid spatial cognition. Proceedings of the National Academy of Sciences 103(46). 17568–17573). Our data offers partial support for this hypothesis, but simultaneously calls into question whether any extrinsic reference frames are available innately.
Universal Principles in the Repair of Communication Problems
Publisher: Public Library of Science (PLoS)
Date: 16-09-2015
Determination of the parton distribution functions of the proton using diverse ATLAS data from pp collisions at $$\sqrt{s} = 7$$, 8 and 13 TeV
Publisher: Springer Science and Business Media LLC
Date: 05-2022
DOI: 10.1140/EPJC/S10052-022-10217-Z
Abstract: This paper presents an analysis at next-to-next-to-leading order in the theory of quantum chromodynamics for the determination of a new set of proton parton distribution functions using erse measurements in pp collisions at $$\\sqrt{s} = 7$$ s = 7 , 8 and 13 TeV, performed by the ATLAS experiment at the Large Hadron Collider, together with deep inelastic scattering data from ep collisions at the HERA collider. The ATLAS data sets considered are differential cross-section measurements of inclusive $$W^{\\pm }$$ W ± and $$Z/\\gamma ^*$$ Z / γ ∗ boson production, $$W^{\\pm }$$ W ± and Z boson production in association with jets, $$t\\bar{t}$$ t t ¯ production, inclusive jet production and direct photon production. In the analysis, particular attention is paid to the correlation of systematic uncertainties within and between the various ATLAS data sets and to the impact of model, theoretical and parameterisation uncertainties. The resulting set of parton distribution functions is called ATLASpdf21.
Preference organization driving structuration: Evidence from Australian Aboriginal interaction for pragmatically motivated grammaticalization
Publisher: Project MUSE
Date: 2013
Search for neutral long-lived particles in pp collisions at $$ \sqrt{s} $$ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter
Publisher: Springer Science and Business Media LLC
Date: 06-2022
Abstract: A search for decays of pair-produced neutral long-lived particles (LLPs) is presented using 139 fb − 1 of proton-proton collision data collected by the ATLAS detector at the LHC in 2015–2018 at a centre-of-mass energy of 13 TeV. Dedicated techniques were developed for the reconstruction of displaced jets produced by LLPs decaying hadronically in the ATLAS hadronic calorimeter. Two search regions are defined for different LLP kinematic regimes. The observed numbers of events are consistent with the expected background, and limits for several benchmark signals are determined. For a SM Higgs boson with a mass of 125 GeV, branching ratios above 10% are excluded at 95% confidence level for values of c times LLP mean proper lifetime in the range between 20 mm and 10 m depending on the model. Upper limits are also set on the cross-section times branching ratio for scalars with a mass of 60 GeV and for masses between 200 GeV and 1 TeV.
Direct constraint on the Higgs–charm coupling from a search for Higgs boson decays into charm quarks with the ATLAS detector
Publisher: Springer Science and Business Media LLC
Date: 18-08-2022
DOI: 10.1140/EPJC/S10052-022-10588-3
Abstract: A search for the Higgs boson decaying into a pair of charm quarks is presented. The analysis uses proton–proton collisions to target the production of a Higgs boson in association with a leptonically decaying W or Z boson. The dataset delivered by the LHC at a centre-of-mass energy of "Equation missing" and recorded by the ATLAS detector corresponds to an integrated luminosity of 139 $$\text{ fb}^{-1}$$ fb - 1 . Flavour-tagging algorithms are used to identify jets originating from the hadronisation of charm quarks. The analysis method is validated with the simultaneous measurement of WW , WZ and ZZ production, with observed (expected) significances of 2.6 (2.2) standard deviations above the background-only prediction for the $$(W/Z)Z(\rightarrow c{\bar{c}})$$ ( W / Z ) Z ( → c c ¯ ) process and 3.8 (4.6) standard deviations for the $$(W/Z)W(\rightarrow cq)$$ ( W / Z ) W ( → c q ) process. The $$(W/Z)H(\rightarrow c {\bar{c}})$$ ( W / Z ) H ( → c c ¯ ) search yields an observed (expected) upper limit of 26 (31) times the predicted Standard Model cross-section times branching fraction for a Higgs boson with a mass of "Equation missing" , corresponding to an observed (expected) constraint on the charm Yukawa coupling modifier $$|\kappa _c| 8.5~(12.4)$$ | κ c | 8.5 ( 12.4 ) , at the 95% confidence level. A combination with the ATLAS $$(W/Z)H, H\rightarrow b{\bar{b}}$$ ( W / Z ) H , H → b b ¯ analysis is performed, allowing the ratio $$\kappa _c / \kappa _b$$ κ c / κ b to be constrained to less than 4.5 at the 95% confidence level, smaller than the ratio of the b- and c-quark masses, and therefore determines the Higgs-charm coupling to be weaker than the Higgs-bottom coupling at the 95% confidence level.
The Acquisition of Murrinhpatha (Northern Australia)
Publisher: Oxford University Press
Date: 06-11-2017
DOI: 10.1093/OXFORDHB/9780199683208.013.27
Abstract: This chapter reports on initial findings of an ongoing large-scale research project into the acquisition of Murrinhpatha, a polysynthetic language of the Daly River region of the Northern Territory of Australia with complex morphology. The complex verbal structures in Murrinhpatha, which can contain a large number of morphemes and bipartite stem morphology discontinuously distributed throughout the verbal template, raise a multitude of questions for acquisition. In this chapter we focus particularly on the acquisition of the complex predicate system in the verb, and the acquisition of subject-marking categories and tense/aspect/mood. Our findings are based on the language development of five Murrinhpatha acquiring children aged from 2 –4 years.
Observation of electroweak production of two jets and a Z-boson pair
Publisher: Springer Science and Business Media LLC
Date: 09-02-2023
Measurement of the nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
Publisher: Elsevier BV
Date: 06-2022
Questions with address terms in Indonesian conversation: Managing next-speaker selection and action formation
Publisher: Elsevier BV
Date: 10-2022
Search for Higgs boson pair production in the two bottom quarks plus two photons final state in
p p
Publisher:
American Physical Society (APS)
Date:
06-09-2022
Publisher: American Physical Society (APS)
Date: 06-09-2022
Constraints on Higgs boson production with large transverse momentum using
H →
Publisher:
American Physical Society (APS)
Date:
11-05-2022
Publisher: American Physical Society (APS)
Date: 11-05-2022
Tactile engagement of prospective next speakers in Indonesian multiparty conversations
Publisher: Cambridge University Press (CUP)
Date: 17-07-2023
DOI: 10.1017/S0047404523000441
Abstract: This article investigates the use of touch as a tool for engaging prospective next speakers within Indonesian multiparty conversation. We examine the lamination of touch onto questions directed towards specifically targeted recipients. First, we find that questions with touch are deployed when the physical environment complicates the attainment of mutual orientation. Second, when previously targeted recipients have failed to respond to a question, touch is added to follow-up questions that are deployed for pursuing a response. Third, touch is added to questions that are personal or that inquire about potentially delicate matters. This multimodal investigation of conversational turn-taking provides data from Colloquial Indonesian as basis for cross-linguistic comparison. In considering the volume of touches in these data we ask whether cultural and environmental factors might contribute to a haptic modification of ordinary turn-taking procedures. (Turn-taking, touch, multimodality, sociotopography)
Search for long-lived charginos based on a disappearing-track signature using 136 fb$$^{-1}$$ of pp collisions at $$\sqrt{s}$$ = 13 TeV with the ATLAS detector
Publisher: Springer Science and Business Media LLC
Date: 11-07-2022
DOI: 10.1140/EPJC/S10052-022-10489-5
Abstract: A search for long-lived charginos produced either directly or in the cascade decay of heavy prompt gluino states is presented. The search is based on proton–proton collision data collected at a centre-of-mass energy of $$\\sqrt{s}$$ s = 13 T $$\\text {eV}$$ eV between 2015 and 2018 with the ATLAS detector at the LHC, corresponding to an integrated luminosity of 136 fb $$^{-1}$$ - 1 . Long-lived charginos are characterised by a distinct signature of a short and then disappearing track, and are reconstructed using at least four measurements in the ATLAS pixel detector, with no subsequent measurements in the silicon-microstrip tracking volume nor any associated energy deposits in the calorimeter. The final state is complemented by a large missing transverse-momentum requirement for triggering purposes and at least one high-transverse-momentum jet. No excess above the expected backgrounds is observed. Exclusion limits are set at 95% confidence level on the masses of the chargino and gluino for different chargino lifetimes. Chargino masses up to 660 (210) G $$\\text {eV}$$ eV are excluded in scenarios where the chargino is a pure wino (higgsino). For charginos produced during the cascade decay of a heavy gluino, gluinos with masses below 2.1 T $$\\text {eV}$$ eV are excluded for a chargino mass of 300 G $$\\text {eV}$$ eV and a lifetime of 0.2 ns.
Search for resonant pair production of Higgs bosons in the
b b
Publisher:
American Physical Society (APS)
Date:
11-05-2022
Publisher: American Physical Society (APS)
Date: 11-05-2022
Calibrating recipiency through pronominal reference
Publisher: John Benjamins Publishing Company
Date: 31-12-2022
DOI: 10.1075/IL.22005.DAH
Abstract: Participants in conversation have a range of options for referring to co-conversationalists – lexical, grammatical, embodied – regardless of their language. Personal pronouns have been described as the most unmarked way of achieving reference, where little else is accomplished other than the action of referring. We demonstrate that speakers in a multi-party conversation whose language distinguishes between second and third-person pronouns, or between inclusive and exclusive pronouns, are constantly attributing and managing participation roles when referring to co-participants, even when using the default reference forms. Grammatical contrasts within pronoun inventories are recruited, often in conjunction with points and gaze, to indicate which co-participants are being addressed and which are being referred to. Address is constantly recalibrated through practices of reference. Speakers also draw on more marked referential expressions in order to emphasise the attribution of participation roles more explicitly. This study is based on a corpus of casual multi-party conversations in Jaru, an endangered Australian language with a dual pronominal system which encodes three grammatical numbers (singular, dual, and plural) and specifies whether the referents of first-person dual and plural pronouns exclude or include the addressee(s).
On the road again: Displaying knowledge of place in multiparty conversations in the remote Australian outback
Publisher: Elsevier BV
Date: 2022
Measurements of azimuthal anisotropies of jet production in
Pb +
Publisher:
American Physical Society (APS)
Date:
07-06-2022
Publisher: American Physical Society (APS)
Date: 07-06-2022
Measurement of the polarisation of single top quarks and antiquarks produced in the t-channel at $$ \sqrt{s} $$ = 13 TeV and bounds on the tWb dipole operator from the ATLAS experiment
Publisher: Springer Science and Business Media LLC
Date: 09-11-2022
Abstract: A simultaneous measurement of the three components of the top-quark and top-antiquark polarisation vectors in t -channel single-top-quark production is presented. This analysis is based on data from proton–proton collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 139 fb − 1 , collected with the ATLAS detector at the LHC. Selected events contain exactly one isolated electron or muon, large missing transverse momentum and exactly two jets, one being b -tagged. Stringent selection requirements are applied to discriminate t -channel single-top-quark events from the background contributions. The top-quark and top-antiquark polarisation vectors are measured from the distributions of the direction cosines of the charged-lepton momentum in the top-quark rest frame. The three components of the polarisation vector for the selected top-quark event s le are $$ {P}_{x^{\\prime }} $$ P x ′ = 0 . 01 ± 0 . 18, $$ {P}_{y^{\\prime }} $$ P y ′ = − 0 . 029 ± 0 . 027, $$ {P}_{z^{\\prime }} $$ P z ′ = 0 . 91 ± 0 . 10 and for the top-antiquark event s le they are $$ {P}_{x^{\\prime }} $$ P x ′ = − 0 . 02 ± 0 . 20, $$ {P}_{y^{\\prime }} $$ P y ′ = − 0 . 007 ± 0 . 051, $$ {P}_{z^{\\prime }} $$ P z ′ = 0 . 79 ± 0 . 16. Normalised differential cross-sections corrected to a fiducial region at the stable-particle level are presented as a function of the charged-lepton angles for top-quark and top-antiquark events inclusively and separately. These measurements are in agreement with Standard Model predictions. The angular differential cross-sections are used to derive bounds on the complex Wilson coefficient of the dimension-six $$ \\mathcal{O} $$ O tW operator in the framework of an effective field theory. The obtained bounds are C tW ∈ [ − 0 . 9 , 1 . 4] and C itW ∈ [ − 0 . 8 , 0 . 2], both at 95% confidence level.
Search for invisible Higgs-boson decays in events with vector-boson fusion signatures using 139 fb−1 of proton-proton data recorded by the ATLAS experiment
Publisher: Springer Science and Business Media LLC
Date: 08-08-2022
Abstract: A direct search for Higgs bosons produced via vector-boson fusion and subsequently decaying into invisible particles is reported. The analysis uses 139 fb − 1 of pp collision data at a centre-of-mass energy of $$ \\sqrt{s} $$ s = 13 TeV recorded by the ATLAS detector at the LHC. The observed numbers of events are found to be in agreement with the background expectation from Standard Model processes. For a scalar Higgs boson with a mass of 125 GeV and a Standard Model production cross section, an observed upper limit of 0 . 145 is placed on the branching fraction of its decay into invisible particles at 95% confidence level, with an expected limit of 0 . 103. These results are interpreted in the context of models where the Higgs boson acts as a portal to dark matter, and limits are set on the scattering cross section of weakly interacting massive particles and nucleons. Invisible decays of additional scalar bosons with masses from 50 GeV to 2 TeV are also studied, and the derived upper limits on the cross section times branching fraction decrease with increasing mass from 1 . 0 pb for a scalar boson mass of 50 GeV to 0 . 1 pb at a mass of 2 TeV.
Measurements of the Higgs boson inclusive and differential fiducial cross-sections in the diphoton decay channel with pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Publisher: Springer Science and Business Media LLC
Date: 02-08-2022
Abstract: A measurement of inclusive and differential fiducial cross-sections for the production of the Higgs boson decaying into two photons is performed using 139 fb − 1 of proton-proton collision data recorded at $$ \\sqrt{s} $$ s = 13 TeV by the ATLAS experiment at the Large Hadron Collider. The inclusive cross-section times branching ratio, in a fiducial region closely matching the experimental selection, is measured to be 67 ± 6 fb, which is in agreement with the state-of-the-art Standard Model prediction of 64 ± 4 fb. Extrapolating this result to the full phase space and correcting for the branching ratio, the total cross-section for Higgs boson production is estimated to be 58 ± 6 pb. In addition, the cross-sections in four fiducial regions sensitive to various Higgs boson production modes and differential cross-sections as a function of either one or two of several observables are measured. All the measurements are found to be in agreement with the Standard Model predictions. The measured transverse momentum distribution of the Higgs boson is used as an indirect probe of the Yukawa coupling of the Higgs boson to the bottom and charm quarks. In addition, five differential cross-section measurements are used to constrain anomalous Higgs boson couplings to vector bosons in the Standard Model effective field theory framework.
From passing-gesture to ‘true’ romance: Kin-based teasing in Murriny Patha conversation
Publisher: Elsevier BV
Date: 03-2012
Measurement of the energy asymmetry in $$t{\bar{t}}j$$ production at $$13\,$$TeV with the ATLAS experiment and interpretation in the SMEFT framework
Publisher: Springer Science and Business Media LLC
Date: 04-2022
DOI: 10.1140/EPJC/S10052-022-10101-W
Abstract: A measurement of the energy asymmetry in jet-associated top-quark pair production is presented using $$139\\,{\\mathrm {fb}}^{-1}$$ 139 fb - 1 of data collected by the ATLAS detector at the Large Hadron Collider during pp collisions at $$\\sqrt{s}=13\\,\\text {TeV}$$ s = 13 TeV . The observable measures the different probability of top and antitop quarks to have the higher energy as a function of the jet scattering angle with respect to the beam axis. The energy asymmetry is measured in the semileptonic $$t{\\bar{t}}$$ t t ¯ decay channel, and the hadronically decaying top quark must have transverse momentum above $$350\\,\\text {GeV}$$ 350 GeV . The results are corrected for detector effects to particle level in three bins of the scattering angle of the associated jet. The measurement agrees with the SM prediction at next-to-leading-order accuracy in quantum chromodynamics in all three bins. In the bin with the largest expected asymmetry, where the jet is emitted perpendicular to the beam, the energy asymmetry is measured to be $$-0.043\\pm 0.020$$ - 0.043 ± 0.020 , in agreement with the SM prediction of $$-0.037\\pm 0.003$$ - 0.037 ± 0.003 . Interpreting this result in the framework of the Standard Model effective field theory (SMEFT), it is shown that the energy asymmetry is sensitive to the top-quark chirality in four-quark operators and is therefore a valuable new observable in global SMEFT fits.
Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in
Publisher:
American Physical Society (APS)
Date:
09-08-2022
Publisher: American Physical Society (APS)
Date: 09-08-2022
Observation of
W W W
Publisher:
American Physical Society (APS)
Date:
04-08-2022
Publisher: American Physical Society (APS)
Date: 04-08-2022
Measurements of Higgs boson production by gluon-gluon fusion and vector-boson fusion using
H
Publisher:
American Physical Society (APS)
Date:
08-08-2023
Publisher: American Physical Society (APS)
Date: 08-08-2023
Constraints on Higgs boson properties using $$WW^{*}(\rightarrow e\nu \mu \nu )jj$$ production in $$36.1\,\mathrm{fb}^{-1}$$ of $$\sqrt{s}=13$$ TeV pp collisions with the ATLAS detector
Publisher: Springer Science and Business Media LLC
Date: 18-07-2022
DOI: 10.1140/EPJC/S10052-022-10366-1
Abstract: This article presents the results of two studies of Higgs boson properties using the $$WW^*(\\rightarrow e\\nu \\mu \\nu )jj$$ W W ∗ ( → e ν μ ν ) j j final state, based on a dataset corresponding to $${36.1}{{\\mathrm{fb}}^{-1}}$$ 36.1 fb - 1 of $$\\sqrt{s}=13$$ s = 13 TeV proton–proton collisions recorded by the ATLAS experiment at the Large Hadron Collider. The first study targets Higgs boson production via gluon–gluon fusion and constrains the CP properties of the effective Higgs–gluon interaction. Using angular distributions and the overall rate, a value of $$\\tan (\\alpha ) = 0.0 \\pm 0.4 (\\mathrm {stat.}) \\pm 0.3 (\\mathrm {syst.})$$ tan ( α ) = 0.0 ± 0.4 ( stat . ) ± 0.3 ( syst . ) is obtained for the tangent of the mixing angle for CP-even and CP-odd contributions. The second study exploits the vector-boson fusion production mechanism to probe the Higgs boson couplings to longitudinally and transversely polarised W and Z bosons in both the production and the decay of the Higgs boson these couplings have not been directly constrained previously. The polarisation-dependent coupling-strength scale factors are defined as the ratios of the measured polarisation-dependent coupling strengths to those predicted by the Standard Model, and are determined using rate and kinematic information to be $$a_\\mathrm {L}=0.91^{+0.10}_{-0.18}$$ a L = 0 . 91 - 0.18 + 0.10 (stat.) $$^{+0.09}_{-0.17}$$ - 0.17 + 0.09 (syst.) and $$a_{\\mathrm {T}}=1.2 \\pm 0.4 $$ a T = 1.2 ± 0.4 (stat.) $$ ^{+0.2}_{-0.3} $$ - 0.3 + 0.2 (syst.). These coupling strengths are translated into pseudo-observables, resulting in $$\\kappa _{VV}= 0.91^{+0.10}_{-0.18}$$ κ VV = 0 . 91 - 0.18 + 0.10 (stat.) $$^{+0.09}_{-0.17}$$ - 0.17 + 0.09 (syst.) and $$\\epsilon _{VV} =0.13^{+0.28}_{-0.20}$$ ϵ VV = 0 . 13 - 0.20 + 0.28 (stat.) $$^{+0.08}_{-0.10}$$ - 0.10 + 0.08 (syst.). All results are consistent with the Standard Model predictions.
Measurements of jet observables sensitive to
b
Publisher:
American Physical Society (APS)
Date:
09-08-2022
Publisher: American Physical Society (APS)
Date: 09-08-2022
Huh? What? – a first survey in twenty-one languages
Publisher: Cambridge University Press
Date: 2012
A satellite view of spatial points in conversation1
Publisher: Routledge
Date: 02-08-2023
Genesis of the Trinity: The Convergent Evolution of Trirelational Kinterms
Publisher: ANU Press
Date: 05-04-2018
Measurement of Higgs boson decay into b-quarks in associated production with a top-quark pair in pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Publisher: Springer Science and Business Media LLC
Date: 17-06-2022
Abstract: The associated production of a Higgs boson and a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. The Higgs boson decay into a b -quark pair is used. The analysed data, corresponding to an integrated luminosity of 139 fb − 1 , were collected in proton-proton collisions at the Large Hadron Collider between 2015 and 2018 at a centre-of-mass energy of $$ \\sqrt{s} $$ s = 13 TeV. The measured signal strength, defined as the ratio of the measured signal yield to that predicted by the Standard Model, is $$ {0.35}_{-0.34}^{+0.36} $$ 0.35 − 0.34 + 0.36 . This result is compatible with the Standard Model prediction and corresponds to an observed (expected) significance of 1.0 (2.7) standard deviations. The signal strength is also measured differentially in bins of the Higgs boson transverse momentum in the simplified template cross-section framework, including a bin for specially selected boosted Higgs bosons with transverse momentum above 300 GeV.
Prosodic Person Reference in Murriny Patha Reported Interaction
Publisher: BRILL
Date: 2009
Search for flavour-changing neutral-current interactions of a top quark and a gluon in pp collisions at $$\sqrt{s}=13$$ TeV with the ATLAS detector
Publisher: Springer Science and Business Media LLC
Date: 04-2022
DOI: 10.1140/EPJC/S10052-022-10182-7
Abstract: A search is presented for the production of a single top quark via left-handed flavour-changing neutral-current (FCNC) interactions of a top quark, a gluon and an up or charm quark. Two production processes are considered: $$u+g\rightarrow t$$ u + g → t and $$c+g\rightarrow t$$ c + g → t . The analysis is based on proton–proton collision data taken at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC. The data set corresponds to an integrated luminosity of 139 fb $$^{-1}$$ - 1 . Events with exactly one electron or muon, exactly one b -tagged jet and missing transverse momentum are selected, resembling the decay products of a singly produced top quark. Neural networks based on kinematic variables differentiate between events from the two signal processes and events from background processes. The measured data are consistent with the background-only hypothesis, and limits are set on the production cross-sections of the signal processes: $$\sigma (u+g\rightarrow t)\times \mathcal {B}(t\rightarrow Wb)\times \mathcal {B}(W\rightarrow \ell \nu ) .0\,$$ σ ( u + g → t ) × B ( t → W b ) × B ( W → ℓ ν ) 3.0 pb and $$\sigma (c+g\rightarrow t)\times \mathcal {B}(t\rightarrow Wb)\times \mathcal {B}(W\rightarrow \ell \nu ) .7\,$$ σ ( c + g → t ) × B ( t → W b ) × B ( W → ℓ ν ) 4.7 pb at the 95% confidence level, with $$\mathcal {B}(W\rightarrow \ell \nu )=0.325$$ B ( W → ℓ ν ) = 0.325 being the sum of branching ratios of all three leptonic decay modes of the W boson. Based on the framework of an effective field theory, the cross-section limits are translated into limits on the strengths of the tug and tcg couplings occurring in the theory: $$|C^{\,ut}_{uG}|/\Lambda ^2 0.057\,$$ | C uG u t | / Λ 2 0.057 TeV $$^{-2}$$ - 2 and $$|C^{\,ct}_{uG}|/\Lambda ^2 0.14\,$$ | C uG c t | / Λ 2 0.14 TeV $$^{-2}$$ - 2 . These bounds correspond to limits on the branching ratios of FCNC-induced top-quark decays: $$\mathcal {B}(t\rightarrow u+g) 0.61\times 10^{-4}$$ B ( t → u + g ) 0.61 × 10 - 4 and $$\mathcal {B}(t\rightarrow c+g) 3.7\times 10^{-4}$$ B ( t → c + g ) 3.7 × 10 - 4 .
Tools of Engagement: Selecting a Next Speaker in Australian Aboriginal Multiparty Conversations
Publisher: Informa UK Limited
Date: 03-04-2018
Self-Association in Murriny Patha Talk-in-Interaction
Publisher: Informa UK Limited
Date: 12-2010
Measurements of Higgs boson production cross-sections in the H → τ+τ− decay channel in pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Publisher: Springer Science and Business Media LLC
Date: 18-08-2022
Abstract: Measurements of the production cross-sections of the Standard Model (SM) Higgs boson ( H ) decaying into a pair of τ -leptons are presented. The measurements use data collected with the ATLAS detector from pp collisions produced at the Large Hadron Collider at a centre-of-mass energy of $$ \sqrt{s} $$ s = 13 TeV, corresponding to an integrated luminosity of 139 fb − 1 . Leptonic ( τ → ℓν ℓ ν τ ) and hadronic ( τ → hadrons ν τ ) decays of the τ -lepton are considered. All measurements account for the branching ratio of H → ττ and are performed with a requirement |y H | 2 . 5, where y H is the true Higgs boson rapidity. The cross-section of the pp → H → ττ process is measured to be 2 . 94 ± $$ 0.21{\left(\mathrm{stat}\right)}_{-0.32}^{+0.37} $$ 0.21 stat − 0.32 + 0.37 (syst) pb, in agreement with the SM prediction of 3 . 17 ± 0 . 09 pb. Inclusive cross-sections are determined separately for the four dominant production modes: 2 . 65 ± $$ 0.41{\left(\mathrm{stat}\right)}_{-0.67}^{+0.91} $$ 0.41 stat − 0.67 + 0.91 (syst) pb for gluon-gluon fusion, 0 . 197 ± $$ 0.028{\left(\mathrm{stat}\right)}_{-0.026}^{+0.032} $$ 0.028 stat − 0.026 + 0.032 (syst) pb for vector-boson fusion, 0 . 115 ± $$ 0.058{\left(\mathrm{stat}\right)}_{-0.040}^{+0.042} $$ 0.058 stat − 0.040 + 0.042 (syst) pb for vector-boson associated production, and 0 . 033 ± $$ 0.031{\left(\mathrm{stat}\right)}_{-0.017}^{+0.022} $$ 0.031 stat − 0.017 + 0.022 (syst) pb for top-quark pair associated production. Measurements in exclusive regions of the phase space, using the simplified template cross-section framework, are also performed. All results are in agreement with the SM predictions.
The Acquisition of Polysynthetic Languages
Publisher: Wiley
Date: 02-2014
DOI: 10.1111/LNC3.12062
Pointing out directions in Murrinhpatha
Publisher: Walter de Gruyter GmbH
Date: 16-01-2016
Abstract: Rather than using abstract directionals, speakers of the Australian Aboriginal language Murrinhpatha make reference to locations of interest using named landmarks, demonstratives and pointing. Building on a culturally prescribed avoidance for certain placenames, this study reports on the use of demonstratives, pointing and landmarks for direction giving. Whether or not pointing will be used, and which demonstratives will be selected is determined partly by the relative epistemic incline between interlocutors and partly by whether information about a location is being sought or being provided. The reliance on pointing for the representation of spatial vectors requires a construal of language that includes the visuo-corporal modality.
Search for the charged-lepton-flavor-violating decay
Z → e <
Publisher: American Physical Society (APS)
Date: 25-08-2023
Search for flavour-changing neutral-current couplings between the top quark and the photon with the ATLAS detector at
Publisher:
Elsevier BV
Date:
07-2023
Publisher: Elsevier BV
Date: 07-2023
Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with t
Publisher: Springer Science and Business Media LLC
Date: 13-06-2022
Abstract: Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than 355 GeV and the other top quark decays into ℓνb are presented using 139 fb − 1 of data collected by the ATLAS experiment during proton-proton collisions at the LHC. The fiducial cross-section at $$ \\sqrt{s} $$ s = 13 TeV is measured to be σ = 1 . 267 ± 0 . 005 ± 0 . 053 pb, where the uncertainties reflect the limited number of data events and the systematic uncertainties, giving a total uncertainty of 4 . 2%. The cross-section is measured differentially as a function of variables characterising the $$ t\\overline{t} $$ t t ¯ system and additional radiation in the events. The results are compared with various Monte Carlo generators, including comparisons where the generators are reweighted to match a parton-level calculation at next-to-next-to-leading order. The reweighting improves the agreement between data and theory. The measured distribution of the top-quark transverse momentum is used to search for new physics in the context of the effective field theory framework. No significant deviation from the Standard Model is observed and limits are set on the Wilson coefficients of the dimension-six operators O tG and $$ {O}_{tq}^{(8)} $$ O tq 8 , where the limits on the latter are the most stringent to date.
Measurement of the production of a
W
Publisher:
American Physical Society (APS)
Date:
14-08-2023
Publisher: American Physical Society (APS)
Date: 14-08-2023
The epistemics of social relations in Murrinhpatha, Garrwa and Jaru conversations
Publisher: Elsevier BV
Date: 04-2022
A detailed map of Higgs boson interactions by the ATLAS experiment ten years after the discovery
Publisher: Springer Science and Business Media LLC
Date: 04-07-2022
DOI: 10.1038/S41586-022-04893-W
Abstract: The standard model of particle physics 1–4 describes the known fundamental particles and forces that make up our Universe, with the exception of gravity. One of the central features of the standard model is a field that permeates all of space and interacts with fundamental particles 5–9 . The quantum excitation of this field, known as the Higgs field, manifests itself as the Higgs boson, the only fundamental particle with no spin. In 2012, a particle with properties consistent with the Higgs boson of the standard model was observed by the ATLAS and CMS experiments at the Large Hadron Collider at CERN 10,11 . Since then, more than 30 times as many Higgs bosons have been recorded by the ATLAS experiment, enabling much more precise measurements and new tests of the theory. Here, on the basis of this larger dataset, we combine an unprecedented number of production and decay processes of the Higgs boson to scrutinize its interactions with elementary particles. Interactions with gluons, photons, and W and Z bosons—the carriers of the strong, electromagnetic and weak forces—are studied in detail. Interactions with three third-generation matter particles (bottom ( b ) and top ( t ) quarks, and tau leptons ( τ )) are well measured and indications of interactions with a second-generation particle (muons, μ ) are emerging. These tests reveal that the Higgs boson discovered ten years ago is remarkably consistent with the predictions of the theory and provide stringent constraints on many models of new phenomena beyond the standard model.
Locational pointing in Murrinhpatha, Gija, and English conversations
Publisher: John Benjamins Publishing Company
Date: 31-12-2021
Abstract: It has been suggested that the gestural accuracy used by speakers of Australian Aboriginal languages like Guugu Yimidhirr and Arrernte to indicate directions and represent topographic features is a consequence of absolute frame of reference being dominant in these languages and that the lackadaisical points produced by North American English speakers is an outcome of relative frame being dominant in English. We test this claim by comparing locational pointing in contexts of place reference in conversations conducted in two Australian Aboriginal languages, Murrinhpatha and Gija, and in Australian English spoken by non-Aboriginal residents of a small town in north Western Australia. Pointing behaviour is remarkably similar across the three groups and all participants display a capacity to point accurately regardless of linguistic frame of reference options. We suggest that these speakers’ intimate knowledge of the surrounding countryside better explains their capacity to accurately point to distant locations.
Other-initiated repair in Murrinh-Patha
Publisher: Walter de Gruyter GmbH
Date: 29-01-2015
Abstract: The range of linguistic structures and interactional practices associated with other-initiated repair (OIR) is surveyed for the Northern Australian language Murrinh-Patha. By drawing on a video corpus of informal Murrinh- Patha conversation, the OIR formats are compared in terms of their utility and versatility. Certain “restricted” formats have semantic properties that point to prior trouble source items. While these make the restricted repair initiators more specialised, the “open” formats are less well resourced semantically, which makes them more versatile. They tend to be used when the prior talk is potentially problematic in more ways than one. The open formats (especially thangku, “what?”) tend to solicit repair operations on each potential source of trouble, such that the resultant repair solution improves upon the troublesource turn in several ways.
Frames of spatial reference in five Australian languages
Publisher: Informa UK Limited
Date: 12-10-2021
Towards an interactional grammar of interjections: Expressing compassion in four Australian languages
Publisher: Informa UK Limited
Date: 03-04-2023
Study of $$ {\mathrm{B}}_{\mathrm{c}}^{+}\to \mathrm{J}/\psi {\mathrm{D}}_{\mathrm{s}}^{+} $$ and $$ {\mathrm{B}}_{\mathrm{c}}^{+}\to \mathrm{J}/\psi {\mathrm{D}}_{\mathrm{s}}^{\ast +} $$ decays in pp
Publisher: Springer Science and Business Media LLC
Date: 05-08-2022
Abstract: A study of $$ {B}_c^{+}\\to J/\\psi {D}_s^{+} $$ B c + → J / ψ D s + and $$ {B}_c^{+}\\to J/\\psi {D}_s^{\\ast +} $$ B c + → J / ψ D s ∗ + decays using 139 fb − 1 of integrated luminosity collected with the ATLAS detector from $$ \\sqrt{s} $$ s = 13 TeV pp collisions at the LHC is presented. The ratios of the branching fractions of the two decays to the branching fraction of the $$ {B}_c^{+} $$ B c + → J/ψπ + decay are measured: $$ \\mathcal{B}\\left({B}_c^{+}\\to J/\\psi {D}_s^{+}\\right)/\\mathcal{B}\\left({B}_c^{+}\\to J/{\\psi \\pi}^{+}\\right) $$ B B c + → J / ψ D s + / B B c + → J / ψπ + = 2 . 76 ± 0 . 47 and $$ \\mathcal{B}\\left({B}_c^{+}\\to J/\\psi {D}_s^{\\ast +}\\right)/\\mathcal{B}\\left({B}_c^{+}\\to J/{\\psi \\pi}^{+}\\right) $$ B B c + → J / ψ D s ∗ + / B B c + → J / ψπ + = 5 . 33 ± 0 . 96. The ratio of the branching fractions of the two decays is found to be $$ \\mathcal{B}\\left({B}_c^{+}\\to J/\\psi {D}_s^{\\ast +}\\right)/\\mathcal{B}\\left({B}_c^{+}\\to J/\\psi {D}_s^{\\ast +}\\right) $$ B B c + → J / ψ D s ∗ + / B B c + → J / ψ D s ∗ + = 1 . 93 ± 0 . 26. For the $$ {B}_c^{+}\\to J/\\psi {D}_s^{\\ast +} $$ B c + → J / ψ D s ∗ + decay, the transverse polarization fraction, Γ ±± / Γ, is measured to be 0 . 70 ± 0 . 11. The reported uncertainties include both the statistical and systematic components added in quadrature. The precision of the measurements exceeds that in all previous studies of these decays. These results supersede those obtained in the earlier ATLAS study of the same decays with $$ \\sqrt{s} $$ s = 7 and 8 TeV pp collision data. A comparison with available theoretical predictions for the measured quantities is presented.
Modelling and computational improvements to the simulation of single vector-boson plus jet processes for the ATLAS experiment
Publisher: Springer Science and Business Media LLC
Date: 05-08-2022
Abstract: This paper presents updated Monte Carlo configurations used to model the production of single electroweak vector bosons ( W , Z/γ ∗ ) in association with jets in proton-proton collisions for the ATLAS experiment at the Large Hadron Collider. Improvements pertaining to the electroweak input scheme, parton-shower splitting kernels and scale-setting scheme are shown for multi-jet merged configurations accurate to next-to-leading order in the strong and electroweak couplings. The computational resources required for these set-ups are assessed, and approximations are introduced resulting in a factor three reduction of the per-event CPU time without affecting the physics modelling performance. Continuous statistical enhancement techniques are introduced by ATLAS in order to populate low cross-section regions of phase space and are shown to match or exceed the generated effective luminosity. This, together with the lower per-event CPU time, results in a 50% reduction in the required computing resources compared to a legacy set-up previously used by the ATLAS collaboration. The set-ups described in this paper will be used for future ATLAS analyses and lay the foundation for the next generation of Monte Carlo predictions for single vector-boson plus jets production.
Discourse and social interaction
Publisher: Oxford University PressOxford
Date: 13-06-2023
DOI: 10.1093/OSO/9780198824978.003.0045
Abstract: In this chapter we survey what we know about the ways in which speakers of Australian languages structure discourse. We show how advances in recording and data management technologies at the end of the 20th century and into the 21st century have enabled the focus of research on Australian language discourse to move from the analysis of transcribed text collections to the in situ analysis of language use in authentic social interactions. Our survey includes ways in which grammatical features of Australian languages are reflective of different interactional contingencies, from word order preferences to the development of kintax. It also includes ways that speakers of Australian languages conduct conversations in terms of turn taking, the formation of social actions, and the organization of actions into sequences.
Search for associated production of a Z boson with an invisibly decaying Higgs boson or dark matter candidates at <
Publisher: Elsevier BV
Date: 06-2022
Formats for other-initiation of repair across languages
Publisher: John Benjamins Publishing Company
Date: 25-04-2014
Abstract: In conversation, people have to deal with problems of speaking, hearing, and understanding. We report on a cross-linguistic investigation of the conversational structure of other-initiated repair (also known as collaborative repair, feedback, requests for clarification, or grounding sequences). We take stock of formats for initiating repair across languages (comparable to English huh?, who?, y’mean X? , etc.) and find that different languages make available a wide but remarkably similar range of linguistic resources for this function. We exploit the patterned variation as evidence for several underlying concerns addressed by repair initiation: characterising trouble, managing responsibility, and handling knowledge. The concerns do not always point in the same direction and thus provide participants in interaction with alternative principles for selecting one format over possible others. By comparing conversational structures across languages, this paper contributes to pragmatic typology: the typology of systems of language use and the principles that shape them.
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