Neutrino absorption efficiency of an 40Ar detector from the β decay of 40Ti

Details Neutrino absorption efficiency of an 40Ar detector from the β decay of 40Ti Neutrino absorption efficiency of an 40Ar detector from the β decay of 40Ti

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998phrvc..58.3677b&link_type=abstract

Physical Review C (Nuclear Physics), Volume 58, Issue 6, December 1998, pp.3677-3687

Physics

Nuclear Physics

13

Relation With Nuclear Matrix Elements And Nuclear Structure, Solar Neutrinos, 39<=A<=58

Scientific paper

We studied β-delayed proton and γ emission from 40Ti decay. We found t1/2=52.7+/-1.5 ms and observed 28 proton groups that we organized into a 40Ti decay scheme with 21 branches. The reduced transition strengths of these decay branches were then used to compute the neutrino detection efficiency of the ICARUS liquid argon time-projection chamber. We found 40Ar(ν,e) cross sections (for an electron energy threshold W=5 MeV) of (14.0+/-0.3)×10-43 cm2, (75.1+/-1.8)×10-43 cm2, and (3.2+/-0.1)×10-41 cm2 for 8B neutrinos, hep neutrinos, and supernova neutrinos characterized by a temperature of 4.5 MeV.

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