Gamow-Teller Strength Function in Ge 71 via the ( p ,   n ) Reaction at Medium Energies

The Gamow-Teller strength function in Ge-71 has been measured by use of the reaction Ga-71 (p,n) at E(p) = 120 and 200 MeV. While a significant fraction of the total strength is associated with excited states located below particle-emission threshold, the first excited state exhibits little strength...

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Bibliographic Details
Published in:Physical review letters 1985-09, Vol.55 (10), p.1051-1054
Main Authors: Krofcheck, D., Sugarbaker, E., Rapaport, J., Wang, D., Bahcall, J. N., Byrd, R. C., Foster, C. C., Goodman, C. D., Van Heerden, I. J., Gaarde, C., Larsen, J. S., Horen, D. J., Taddeucci, T. N.
Format: Article
Language:English
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Summary:The Gamow-Teller strength function in Ge-71 has been measured by use of the reaction Ga-71 (p,n) at E(p) = 120 and 200 MeV. While a significant fraction of the total strength is associated with excited states located below particle-emission threshold, the first excited state exhibits little strength. Excited-state contributions to the total solar-neutrino capture rate for a Ga-71 detector are about 14 solar neutrino units for the neutrino spectrum of the standard solar model and about 3-4 solar neutrino units for representative nonstandard solar models.
ISSN:0031-9007
DOI:10.1103/PhysRevLett.55.1051