Precision evaluation of the Ga 71 (νe,e-) solar neutrino capture rate from the (He 3,t) charge-exchange reaction

D. Frekers; T. Adachi; H. Akimune; M. Alanssari; B. A. Brown; B. T. Cleveland; H. Ejiri; H. Fujita; Y. Fujita; M. Fujiwara; V. N. Gavrin; M. N. Harakeh; K. Hatanaka; M. Holl; C. Iwamoto; A. Lennarz; A. Okamoto; H. Okamura; T. Suzuki; A. Tamii

doi:10.1103/PhysRevC.91.034608

Precision evaluation of the Ga 71 (νe,e-) solar neutrino capture rate from the (He 3,t) charge-exchange reaction

D. Frekers, T. Adachi, H. Akimune, M. Alanssari, B. A. Brown, B. T. Cleveland, H. Ejiri, H. Fujita, Y. Fujita, M. Fujiwara, V. N. Gavrin, M. N. Harakeh, K. Hatanaka, M. Holl, C. Iwamoto, A. Lennarz, A. Okamoto, H. Okamura, T. Suzuki, A. Tamii

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Abstract

A precision measurement of the Ga71(He3,t)Ge71 charge-exchange reaction was performed. By using a rather complete set of theoretical form factors to describe the cross-section angular distributions over a large angular range, the Gamow-Teller strength distribution up to the effective neutron-separation energy in Ge71 was extracted. The data and the analysis constrain the Ga71(νe,e-) solar neutrino rate in a neutrino nonoscillation scenario. For nonoscillating neutrinos we report a solar neutrino capture rate of 122.4±3.4(stat)±1.1(sys) SNU, which is lower than the presently accepted value of 132±18 SNU, though not in disagreement given the quoted errors.

Original language	English
Article number	034608
Journal	Physical Review C - Nuclear Physics
Volume	91
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.91.034608
Publication status	Published - 2015 Mar 13

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.91.034608

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Frekers, D., Adachi, T., Akimune, H., Alanssari, M., Brown, B. A., Cleveland, B. T., Ejiri, H., Fujita, H., Fujita, Y., Fujiwara, M., Gavrin, V. N., Harakeh, M. N., Hatanaka, K., Holl, M., Iwamoto, C., Lennarz, A., Okamoto, A., Okamura, H., Suzuki, T., & Tamii, A. (2015). Precision evaluation of the Ga 71 (νe,e-) solar neutrino capture rate from the (He 3,t) charge-exchange reaction. Physical Review C - Nuclear Physics, 91(3), [034608]. https://doi.org/10.1103/PhysRevC.91.034608

Frekers, D, Adachi, T, Akimune, H, Alanssari, M, Brown, BA, Cleveland, BT, Ejiri, H, Fujita, H, Fujita, Y, Fujiwara, M, Gavrin, VN, Harakeh, MN, Hatanaka, K, Holl, M, Iwamoto, C, Lennarz, A, Okamoto, A, Okamura, H, Suzuki, T & Tamii, A 2015, 'Precision evaluation of the Ga 71 (νe,e-) solar neutrino capture rate from the (He 3,t) charge-exchange reaction', Physical Review C - Nuclear Physics, vol. 91, no. 3, 034608. https://doi.org/10.1103/PhysRevC.91.034608

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title = "Precision evaluation of the Ga 71 (νe,e-) solar neutrino capture rate from the (He 3,t) charge-exchange reaction",

abstract = "A precision measurement of the Ga71(He3,t)Ge71 charge-exchange reaction was performed. By using a rather complete set of theoretical form factors to describe the cross-section angular distributions over a large angular range, the Gamow-Teller strength distribution up to the effective neutron-separation energy in Ge71 was extracted. The data and the analysis constrain the Ga71(νe,e-) solar neutrino rate in a neutrino nonoscillation scenario. For nonoscillating neutrinos we report a solar neutrino capture rate of 122.4±3.4(stat)±1.1(sys) SNU, which is lower than the presently accepted value of 132±18 SNU, though not in disagreement given the quoted errors.",

author = "D. Frekers and T. Adachi and H. Akimune and M. Alanssari and Brown, {B. A.} and Cleveland, {B. T.} and H. Ejiri and H. Fujita and Y. Fujita and M. Fujiwara and Gavrin, {V. N.} and Harakeh, {M. N.} and K. Hatanaka and M. Holl and C. Iwamoto and A. Lennarz and A. Okamoto and H. Okamura and T. Suzuki and A. Tamii",

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AU - Alanssari, M.

AU - Brown, B. A.

AU - Cleveland, B. T.

AU - Ejiri, H.

AU - Fujita, H.

AU - Fujita, Y.

AU - Fujiwara, M.

AU - Gavrin, V. N.

AU - Harakeh, M. N.

AU - Hatanaka, K.

AU - Holl, M.

AU - Iwamoto, C.

AU - Lennarz, A.

AU - Okamoto, A.

AU - Okamura, H.

AU - Suzuki, T.

AU - Tamii, A.

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Precision evaluation of the Ga 71 (νe,e-) solar neutrino capture rate from the (He 3,t) charge-exchange reaction

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