The 71Ga( 3He,t) reaction and the low-energy neutrino response

D. Frekers, H. Ejiri, H. Akimune, T. Adachi, B. Bilgier, B. A. Brown, B. T. Cleveland, H. Fujita, Y. Fujita, M. Fujiwara, E. Ganioǧlu, V. N. Gavrin, E. W. Grewe, C. J. Guess, M. N. Harakeh, K. Hatanaka, R. Hodak, M. Holl, C. Iwamoto, N. T. KhaiH. C. Kozer, A. Lennarz, A. Okamoto, H. Okamura, P. P. Povinec, P. Puppe, F. Šimkovic, G. Susoy, T. Suzuki, A. Tamii, J. H. Thies, J. Van de Walle, R. G.T. Zegers

研究成果: Article査読

66 被引用数 (Scopus)

抄録

A 71Ga( 3He,t) 71Ge charge-exchange experiment was performed to extract with high precision the Gamow-Teller (GT) transition strengths to the three lowest-lying states in 71Ge, i.e., the ground state (1/2 -), the 175 keV (5/2 -) and the 500 keV (3/2 -) excited states. These are the relevant states, which are populated via a charged-current reaction induced by neutrinos from reactor-produced 51Cr and 37Ar sources. A precise measurement of the GT transition strengths is an important input into the calibration of the SAGE and GALLEX solar neutrino detectors and addresses a long-standing discrepancy between the measured and evaluated capture rates from the 51Cr and 37Ar neutrino calibration sources, which has recently spawned new ideas about unconventional neutrino properties.

本文言語English
ページ(範囲)134-138
ページ数5
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
706
2-3
DOI
出版ステータスPublished - 2011 12月 6
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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