β decay of 40Ti and 41Ti and implication for solar-neutrino detection

Details β decay of 40Ti and 41Ti and implication for solar-neutrino detection β decay of 40Ti and 41Ti and implication for solar-neutrino detection

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998phrvc..58.2677l&link_type=abstract

Physical Review C (Nuclear Physics), Volume 58, Issue 5, November 1998, pp.2677-2688

Physics

Nuclear Physics

13

Beta Decay, Double Beta Decay, Electron And Muon Capture, Decay By Proton Emission, 39<=A<=58, Solar Neutrinos

Scientific paper

The β decay of 40Ti and 41Ti was studied by measuring the β-delayed proton and γ emission. The half-lives for 40Ti and 41Ti were determined to be 54(2) and 82(3) ms, respectively. The experimental β-decay strengths are compared with shell-model calculations and results from other measurements. The integrated Gamow-Teller strengths for 40Ti and 41Ti were found to be quenched, compared to the calculations, by factors of 0.79(3) and 0.93(3), respectively. Based on the experimental 40Ti β-decay strength, the neutrino absorption cross section and induced neutrino event rates for 40Ar were determined to be 14.3(3)×10-43 cm2 and 9.4+/-0.2(stat)+1.3-1.6(syst) SNU, respectively.

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