ORCID Profile
0000-0002-1577-6229
Current Organisation
University of Amsterdam
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Publisher: American Physical Society (APS)
Date: 16-12-2008
Publisher: IOP Publishing
Date: 13-11-2013
Publisher: Springer Science and Business Media LLC
Date: 28-07-2005
DOI: 10.1038/NATURE03980
Abstract: The detection of electron antineutrinos produced by natural radioactivity in the Earth could yield important geophysical information. The Kamioka liquid scintillator antineutrino detector (KamLAND) has the sensitivity to detect electron antineutrinos produced by the decay of 238U and 232Th within the Earth. Earth composition models suggest that the radiogenic power from these isotope decays is 16 TW, approximately half of the total measured heat dissipation rate from the Earth. Here we present results from a search for geoneutrinos with KamLAND. Assuming a Th/U mass concentration ratio of 3.9, the 90 per cent confidence interval for the total number of geoneutrinos detected is 4.5 to 54.2. This result is consistent with the central value of 19 predicted by geophysical models. Although our present data have limited statistical power, they nevertheless provide by direct means an upper limit (60 TW) for the radiogenic power of U and Th in the Earth, a quantity that is currently poorly constrained.
Publisher: American Physical Society (APS)
Date: 19-04-2012
Publisher: American Physical Society (APS)
Date: 06-08-2012
Publisher: American Physical Society (APS)
Date: 03-2005
Publisher: Springer Science and Business Media LLC
Date: 17-07-2011
DOI: 10.1038/NGEO1205
Publisher: Elsevier BV
Date: 2015
Publisher: Elsevier BV
Date: 2015
Publisher: Springer Science and Business Media LLC
Date: 10-2013
Publisher: American Physical Society (APS)
Date: 20-02-2004
Publisher: American Physical Society (APS)
Date: 30-01-2023
Publisher: American Astronomical Society
Date: 17-01-2012
Publisher: American Astronomical Society
Date: 10-02-2016
Publisher: American Physical Society (APS)
Date: 17-03-2006
Publisher: American Physical Society (APS)
Date: 12-09-2008
Publisher: American Physical Society (APS)
Date: 04-03-2011
Publisher: AIP Publishing LLC
Date: 2015
DOI: 10.1063/1.4915593
Publisher: American Astronomical Society
Date: 03-2021
Abstract: We present the results of a search for MeV-scale electron antineutrino events in KamLAND coincident with the 60 gravitational wave events/candidates reported by the LIGO/Virgo collaboration during their second and third observing runs. We find no significant coincident signals within a ±500 s timing window from each gravitational wave and present 90% C.L. upper limits on the electron antineutrino fluence between 10 8 and 10 13 cm −2 for neutrino energies in the energy range of 1.8–111 MeV.
Publisher: Springer Science and Business Media LLC
Date: 12-2020
DOI: 10.1140/EPJC/S10052-020-08602-7
Abstract: We detail the sensitivity of the proposed liquid xenon DARWIN observatory to solar neutrinos via elastic electron scattering. We find that DARWIN will have the potential to measure the fluxes of five solar neutrino components: pp , $$^7$$ 7 Be, $$^{13}$$ 13 N, $$^{15}$$ 15 O and pep . The precision of the $$^{13}$$ 13 N, $$^{15}$$ 15 O and pep components is hindered by the double-beta decay of $$^{136}$$ 136 Xe and, thus, would benefit from a depleted target. A high-statistics observation of pp neutrinos would allow us to infer the values of the electroweak mixing angle, $$\\sin ^2\\theta _w$$ sin 2 θ w , and the electron-type neutrino survival probability, $$P_{ee}$$ P ee , in the electron recoil energy region from a few keV up to 200 keV for the first time, with relative precision of 5% and 4%, respectively, with 10 live years of data and a 30 tonne fiducial volume. An observation of pp and $$^7$$ 7 Be neutrinos would constrain the neutrino-inferred solar luminosity down to 0.2%. A combination of all flux measurements would distinguish between the high- (GS98) and low-metallicity (AGS09) solar models with 2.1–2.5 $$\\sigma $$ σ significance, independent of external measurements from other experiments or a measurement of $$^8$$ 8 B neutrinos through coherent elastic neutrino-nucleus scattering in DARWIN. Finally, we demonstrate that with a depleted target DARWIN may be sensitive to the neutrino capture process of $$^{131}$$ 131 Xe.
Publisher: American Physical Society (APS)
Date: 13-09-2011
Publisher: IOP Publishing
Date: 27-04-2009
Publisher: American Physical Society (APS)
Date: 05-06-2008
Publisher: American Physical Society (APS)
Date: 23-02-2010
Location: United States of America
No related grants have been discovered for Michal Patrick Decowski.