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successful, resulting in 1) observation of neutrinos from the supernova SN1987a, 2) the first direct measurement of neutrinos emitted by the sun, and 3) observation of an unexpected result in the ratio of electron neutrino to muon neutrino interactions from cosmic ray neutrinos produced in the earth's atmosphere. In 1998, the Super-Kamiokande collaboration determined that the atmospheric neutrino effect was due to neutrino oscillations.
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In 1984 Professor Beier joined with other scientists from the
University of Pennsylvania and from a group of Japanese institutions in the Kamiokande II experiment. The goal of this work was to use the sun as a source of neutrinos for studying their fundamental properties. This collaboration was quite
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observation of an unexpected result in the ratio of electron neutrino to muon neutrino interactions from cosmic ray neutrinos produced in the Earth's atmosphere) extended by the 1998 work by SuperKamiokande, along with the work of the science team in the
Sudbury Neutrino Observatory, led to the 2015
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Ahmad, Q.R.; Allen, R.C.; Andersen, T.C.; Anglin, J.D.; Barton, J.C.; Beier, E.W.; Bercovitch, M.; Bigu, J.; Biller, S.D., Black, R.A. and Blevis, I. (2002). "Direct evidence for neutrino flavor transformation from neutral-current interactions in the
Sudbury Neutrino Observatory".
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Aharmim, B.; Ahmed, S. N.; Anthony, A. E.; Beier, E. W.; et al. (30 November 2005). "Electron energy spectra, fluxes, and day-night asymmetries of8B solar neutrinos from measurements with NaCl dissolved in the heavy-water detector at the
Sudbury Neutrino Observatory".
95:. Also, he was chair of the Division of Particles and Fields of the American Physical Society in 2000. He was a member of the International Committee for Future Accelerators 1998–2000. For the academic year 1998–1999 he was a
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Observation of a small atmospheric muon-neutrino / electron-neutrino ratio in
Kamiokande, Kamiokande-II Collaboration (K.S. Hirata (Tokyo U., ICRR) et al.). Jan 1992. 13 pp. Published in Phys. Lett. B 280 (1992) 146-152
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Determination of electroweak parameters from the elastic scattering of muon neutrinos and antineutrinos on electrons, L.A. Ahrens, et al., (Brookhaven E734 Collaboration), Phys. Rev. D 41 3297-3316, (1990).
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Direct evidence for neutrino flavor transformation from neutral-current interactions in the
Sudbury Neutrino Observatory, Q.R. Ahmad, et al. (The SNO Collaboration), Phys. Rev. Lett. 89 011301/1-6 (2002).
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His current research deals with the question of whether neutrinos are their own anti-particles; the investigation involves searching for the rare (and perhaps entirely hypothetical) neutrino-less
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Measurement of day and night neutrino energy spectra at SNO and constraints on neutrino mixing parameters, Q.R. Ahmad, et al. (The SNO Collaboration), Phys. Rev. Lett. 89 011302/1-5 (2002).
81:. This flavor transformation implies that neutrinos have non-zero masses. The total flux of all neutrino flavors measured by SNO agrees well with the best theoretical models of the Sun.
433:+ d —> p + p + e Interactions Produced by B Solar Neutrinos at the Sudbury Neutrino Observatory, Q.R. Ahmad et al. (the SNO Collaboration), Phys. Rev. Lett., 87071301/1-6 (2001).
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Experimental Study of the
Atmospheric Neutrino Flux, Kamiokande-II Collaboration (K.S. Hirata (Tokyo U., ICEPP) et al.). 1988. 17 pp. Published in Phys. Lett. B 205 (1988) 416
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Real-time, directional measurement of B solar neutrinos in the
Kamiokande II detector, K.S. Hirata, et al., (Kamiokande II Collaboration), Phys. Rev. D 44, 2241-60 (1991).
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Measurement of
Neutrino-Proton and Antineutrino-Proton Elastic Scattering, L. A. Ahrens, et al., (Brookhaven E734 Collaboration), Phys. Rev. D 35, 785-809 (1987).
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The
Sudbury neutrino observatory, SNO Collaboration (J. Boger (Brookhaven) et al.). Oct 1999. 58 pp. Published in Nucl. Instrum. Methods A 449 (2000) 172-207
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Observation of a Neutrino Burst From the Supernova SN1987A, K. Hirata, et al., (Kamiokande II Collaboration), Phys. Rev. Lett. 58, 1490-93 (1987).
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Oral History interview transcript for Eugene W. Beier on 27 April 2020, American Institute of Physics, Niels Bohr Library and Archives
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Measurement of the total active B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity
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The Kamiokande II work and especially the observation from Supernova 1987a led to the award of the 2002 Nobel Prize in Physics to
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of the University of Washington) working on the Sudbury Neutrino Observatory. The SNO science team provided strong evidence for
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Ratio in the multi-GeV Range, Y. Fukuda, et al., (Kamiokande II Collaboration), Phys. Lett. B 335, 237-245 (1994).
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DPF Newsletter - December 1999 (APS's Division of Particles and Fields Executive Committee including Eugene Beier)
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SNO Collaboration (S.N. Ahmed et al.). Sep 2003. 5 pp. Published in Phys. Rev. Lett. 92 (2004) 181301
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by Beier, Eugene William (1966); IDEALS @ Illinois" Graduate Dissertations and Theses at Illinois"
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Yoji Totsuka Memorial Symposium — Neutrino, Particle and Astroparticle Physics, June 2009
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was awarded to the Kamiokande II team (and the Irvine-Michigan-Brookhaven team).
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ICFA - Sponsored by the Particles and Fields Commission of the IUPAP
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A search for heavy leptons using a differential Cherenkov counter
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A search for heavy leptons using a differential Cherenkov counter
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29:Beier received in 1961 his bachelor's degree from
188:Eugene Beier | Physics & Astronomy, upenn.edu
48:Beier has worked, since the end of the 1970s, on
308:John Simon Guggenheim Foundation | Eugene Beier
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487:(5). American Physical Society (APS): 055502.
321:New Limit on the Strength of Mixing between ν
69:In 1987 Beier joined the science team at the
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144:American Men and Women of Science
583:21st-century American physicists
88:occurring within atomic nuclei.
142:biographical information from
54:Brookhaven National Laboratory
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608:Winners of the Panofsky Prize
473:10.1103/PhysRevLett.92.181301
460:10.1103/PhysRevLett.89.011302
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578:People from Harvey, Illinois
429:Measurement of the Rate of ν
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397:10.1016/0370-2693(92)90788-6
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71:Sudbury Neutrino Observatory
26:) is an American physicist.
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91:In 2010 Beier received the
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588:Stanford University alumni
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114:. The Kamiokande II work (
43:University of Pennsylvania
101:American Physical Society
22:(born 30 January 1940 in
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335:10.1103/PhysRevD.31.2732
99:. He is a Fellow of the
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202:Physical Review Letters
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316:Selected publications
20:Eugene William Beier
503:2005PhRvC..72e5502A
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31:Stanford University
551:2016-06-01 at the
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