Search for neutrinos from the Sun using the reaction sup 71 Ga(. nu. sub e , e sup minus ) sup 71 Ge

Journal Article · Mon Dec 09 00:00:00 EST 1991 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.67.3332· OSTI ID:6095083

Abazov, A I; Anosov, O L; Faizov, E L; Gavrin, V N; Kalikhov, A V; Knodel, T V; Knyshenko, I I; Kornoukhov, V N; Mezentseva, S A; Mirmov, I N; Ostrinsky, A V; Pshukov, A M; Revzin, N E; Shikhin, A A; Timofeyev, P V; Veretenkin, E P; Vermul, V M; Zatsepin, G T ^[1]; Bowles, T J; Cleveland, B T ; Elliott, S R; O'Brien, H A; Wark, D L; Wilkerson, J F ^[2]; Davis, R Jr; Lande, K ^[3]; Cherry, M L ^[4]; Kouzes, R T ^[5]

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1. Institute for Nuclear Research, Academy of Sciences, U.S.S.R., Moscow 117312 (USSR)
2. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
3. University of Pennsylvania, Philadelphia, Pennsylvania 19104 (United States)
4. Louisiana State University, Baton Rouge, Louisiana 70803 (United States)
5. Princeton University, Princeton, New Jersey 08544 (United States)

A radiochemical {sup 71}Ga-{sup 71}Ge experiment using 30 tons of gallium to determine the primary flux of neutrinos from the Sun has begun operation at the Baksan Neutrino Observatory in the U.S.S.R. Assuming that the extraction efficiency for {sup 71}Ge atoms produced by solar neutrinos is the same as from natural Ge carrier, we observed the capture rate to be 20{sub {minus}20}{sup +15}(stat){plus minus}32(syst) solar neutrino units (SNU), resulting in a limit of less than 79 SNU (90% C.L.). This is to be compared with 132 SNU predicted by the standard solar model.

• OSTI ID: 6095083
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 67:24; ISSN PRLTA; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

661300 -- Other Aspects of Physical Science-- (1992-)
662430* -- Properties of Leptons-- (1992-)
663420 -- Lepton-Induced Reactions & Scattering-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHEMISTRY
ELEMENTARY PARTICLES
FERMIONS
GALLIUM 71 TARGET
INELASTIC SCATTERING
LEPTON REACTIONS
LEPTONS
MASSLESS PARTICLES
MEASURING METHODS
NEUTRINO OSCILLATION
NEUTRINO REACTIONS
NEUTRINOS
NUCLEAR REACTIONS
RADIATIONS
RADIOCHEMISTRY
SCATTERING
SOLAR NEUTRINOS
SOLAR PARTICLES
SOLAR RADIATION
STELLAR RADIATION
TARGETS
TIME DEPENDENCE