Gamow-Teller transitions in the A=40 isoquintet of relevance for neutrino captures in Ar-40

KARAKOÇ, MESUT; Zegers, R.; Brown, B.; Fujita, Y.; Adachi, T.; BOZTOSUN, İSMAİL; Fujita, H.; Csatlos, M.; Deaven, J.; Guess, C.; Gulyas, J.; Hatanaka, K.; Hirota, K.; Ishikawa, D.; Krasznahorkay, A.; Matsubara, H.; Meharchand, R.; Molina, F.; Okamura, H.; Ong, H.; Perdikakis, G.; Scholl, C.; Shimbara, GÜLFEM; Susoy, G.; Suzuki, T.; Tamii, A.; Thies, J.; Zenihiro, J.

doi:10.1103/physrevc.89.064313

Gamow-Teller transitions in the A=40 isoquintet of relevance for neutrino captures in Ar-40

KARAKOÇ M., Zegers R. G. T., Brown B. A., Fujita Y., Adachi T., BOZTOSUN İ., ...More

PHYSICAL REVIEW C, vol.89, no.6, 2014 (SCI-Expanded, Scopus)

Publication Type: Article / Article
Volume: 89 Issue: 6
Publication Date: 2014
Doi Number: 10.1103/physrevc.89.064313
Journal Name: PHYSICAL REVIEW C
Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Istanbul University Affiliated: Yes

Abstract

Background: The Gamow-Teller response of Ar-40 is important for the use of liquid argon as a medium for neutrino detection. An ambiguity about the Gamow-Teller strength for the excitation of 1(+) states at 2290 and 2730 keV in K-40 results in a significant uncertainty for neutrino capture rates. This ambiguity is caused by the large discrepancy observed between strengths extracted from Ar-40(p, n) charge-exchange data and the transition strengths for the analog transitions studied in the beta decay of Ti-40.