BETA-DECAY OF TI-40 AND TI-41 AND IMPLICATION FOR SOLAR-NEUTRINO DETECTION

Authors
LIU W HELLSTROM M COLLATZ R BENLLIURE J CHULKOV L GIL DC FARGET F GRAWE H HU Z IWASA N PFUTZNER M PIECHACZEK A RAABE R REUSEN I ROECKL E VANCRAEYNEST G WOHR A
Citation
W. Liu et al., BETA-DECAY OF TI-40 AND TI-41 AND IMPLICATION FOR SOLAR-NEUTRINO DETECTION, Physical review. C. Nuclear physics, 58(5), 1998, pp. 2677-2688
Citations number
31
Categorie Soggetti
Physics, Nuclear
Journal title
Physical review. C. Nuclear physics → ACNP
ISSN journal
05562813
Volume
58
Issue
5
Year of publication
1998
Pages
2677 - 2688
Database
ISI
SICI code
0556-2813(1998)58:5<2677:BOTATA>2.0.ZU;2-2
Abstract
The beta decay of Ti-40 and Ti-41 was studied by measuring the beta-de layed proton and gamma emission. The half-lives for Ti- 40 and Ti-41 w ere determined to be 54(2) and 82(3) ms, respectively. The experimenta l beta-decay strengths are compared with shell-model calculations and results from other measurements. The integrated Gamow-Teller strengths for Ti-40 and Ti-41 were found to be quenched, compared to the calcul ations, by factors of 0.79(3) and 0.93(3), respectively. Based on the experimental Ti-40 beta-decay strength, the neutrino absorption cross section and induced neutrino event rates for Ar-40 were determined to be 14.3(3)x10(-43) cm(2) and 9.4+/-0.2(stat)(-1.6)(+1.3) (syst) SNU, r espectively. [S0556-2813(98)00611-6].