ORCID Profile
0000-0002-7001-717X
Current Organisation
E O Lawrence Berkeley National Laboratory
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Publisher: American Physical Society (APS)
Date: 16-12-2008
Publisher: American Physical Society (APS)
Date: 19-04-2012
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: 06-08-2012
Publisher: American Physical Society (APS)
Date: 03-2005
Publisher: Elsevier BV
Date: 2015
Publisher: Springer Science and Business Media LLC
Date: 17-07-2011
DOI: 10.1038/NGEO1205
Publisher: Elsevier BV
Date: 2015
Publisher: American Physical Society (APS)
Date: 17-01-2003
Publisher: American Physical Society (APS)
Date: 02-09-2016
Publisher: IOP Publishing
Date: 08-2021
Publisher: American Physical Society (APS)
Date: 20-02-2004
Publisher: American Physical Society (APS)
Date: 30-01-2023
Publisher: American Physical Society (APS)
Date: 17-03-2006
Publisher: American Astronomical Society
Date: 10-02-2016
Publisher: American Physical Society (APS)
Date: 04-03-2011
Publisher: American Physical Society (APS)
Date: 12-09-2008
Publisher: American Astronomical Society
Date: 17-01-2012
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: 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
Location: United States of America
No related grants have been discovered for Brian Fujikawa.