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

被引：65

作者：

Frekers, D. ^{[1
]}

Ejiri, H. ^{[2
]}

Akimune, H. ^{[3
]}

Adachi, T. ^{[2
]}

Bilgier, B. ^{[4
]}

Brown, B. A. ^{[5
,6
]}

Cleveland, B. T. ^{[7
]}

Fujita, H. ^{[8
]}

Fujita, Y. ^{[2
,8
]}

Fujiwara, M. ^{[2
]}

Ganioglu, E. ^{[4
]}

Gavrin, V. N. ^{[9
]}

Grewe, E. -W. ^{[1
]}

Guess, C. J. ^{[5
,6
]}

Harakeh, M. N. ^{[10
,11
]}

Hatanaka, K. ^{[2
]}

Hodak, R. ^{[12
]}

Holl, M. ^{[1
]}

Iwamoto, C. ^{[3
]}

Khai, N. T. ^{[13
]}

Kozer, H. C. ^{[4
]}

Lennarz, A. ^{[1
]}

Okamoto, A. ^{[3
]}

Okamura, H. ^{[2
]}

Povinec, P. P. ^{[12
]}

Puppe, P. ^{[1
]}

Simkovic, F. ^{[12
]}

Susoy, G. ^{[4
]}

Suzuki, T. ^{[2
]}

Tamii, A. ^{[2
]}

Thies, J. H. ^{[1
]}

Van de Walle, J. ^{[10
]}

Zegers, R. G. T. ^{[5
,6
]}

机构：

[1] Univ Munster, Inst Kernphys, D-48149 Munster, Germany

[2] Osaka Univ, Nucl Phys Res Ctr, Ibaraki, Osaka 5670047, Japan

[3] Konan Univ, Dept Phys, Kobe, Hyogo 6588501, Japan

[4] Istanbul Univ, Fac Sci, Dept Phys, TR-34134 Istanbul, Turkey

[5] Michigan State Univ, Natl Superconducting Cyclotron Lab, Joint Inst Nucl Astrophys, E Lansing, MI 48824 USA

[6] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[7] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[8] Osaka Univ, Dept Phys, Toyonaka, Osaka 5600043, Japan

[9] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[10] Univ Groningen, Kernfys Versneller Inst, NL-9747 AA Groningen, Netherlands

[11] Schwerionenforsch GmbH, GSI Helmholtzzentrum, D-64291 Darmstadt, Germany

[12] Comenius Univ, Dept Nucl Phys & Biophys, SK-84248 Bratislava, Slovakia

[13] Inst Nucl Sci & Technol, Ctr Fundamental Res & Calculat, Hanoi, Vietnam

来源：

PHYSICS LETTERS B | 2011年 / 706卷 / 2-3期

基金：

美国国家科学基金会;

关键词：

Charge-exchange reaction; Gamow-Teller strength; Neutrino cross section; Solar neutrinos; SPECTROMETER GRAND RAIDEN; ELECTRON-CAPTURE DECAY; PF-SHELL NUCLEI; INTERNAL BREMSSTRAHLUNG; INTERMEDIATE ENERGIES; HE-3; T REACTIONS; CROSS-SECTIONS; P; N REACTION; SCATTERING; GALLEX;

D O I：

10.1016/j.physletb.2011.10.061

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A Ga-71(He-3,t)Ge-71 charge-exchange experiment was performed to extract with high precision the Gamow-Teller (GT) transition strengths to the three lowest-lying states in Ge-71, i.e., the ground state (1/2(-)), the 175 keV (5/2(-)) and the 500 key (3/2(-)) excited states. These are the relevant states, which are populated via a charged-current reaction induced by neutrinos from reactor-produced Cr-51 and Ar-37 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 Cr-51 and Ar-37 neutrino calibration sources, which has recently spawned new ideas about unconventional neutrino properties. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：134 / 138

页数：5

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