The 44Ti\(α,p\) Reaction and its Implication on the 44Ti Yield in Supernovae

Details The 44Ti\(α,p\) Reaction and its Implication on the 44Ti Yield in Supernovae The 44Ti\(α,p\) Reaction and its Implication on the 44Ti Yield in Supernovae

Feb 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phrvl..84.1651s&link_type=abstract

Physical Review Letters, Volume 84, Issue 8, February 21, 2000, pp.1651-1654

Astronomy and Astrophysics

Astrophysics

17

Scientific paper

Cross sections for the 44Ti\(α,p\)47V reaction which significantly affects the yield of 44Ti in supernovae were measured in the energy range 5.7 MeV<=Ec.m.<=9 MeV, using a beam of radioactive 44Ti. The cross sections and the deduced astrophysical reaction rates are larger than the results from theoretical calculations by about a factor of 2. The implications of this increase in the reaction rate for the search of supernovae using space-based gamma detectors are discussed.

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