Please use this identifier to cite or link to this item: http://repository.kln.ac.lk/handle/123456789/4139
Title: Gamow-Teller Strength from the 76Se(n,p)76As Reaction: Implication for the Double Beta Decay of 76Ge
Authors: Helmer, R.L.
Punyasena, M.A.
Abegg, R.
Alford, W.P.
Celler, A.
El-Kateb, S.
Engle, J.
Frekers, D.
Henderson, R.S.
Jackson, K.P.
Long, S.
Miller, C.A.
Olsen, W.C.
Spicer, B.M.
Trudel, A.
Vetterli, M.C.
Keywords: Physics; Physics- Experiments; Reaction time; Gamow-Teller
Issue Date: 1997
Publisher: Physical Review C
Abstract: Cross sections have been measured up to 35 MeV excitation for the 76Se(n,p)76As reaction at five laboratory angles between 0� and 15�. The incident neutron energy was 198 MeV. The distribution of Gamow-Teller (GT) strength at excitation energies less than 10 MeV was deduced by carrying out a multipole decomposition of the data. The GT strength below 6 MeV excitation was found to be less than 0.9 units, in qualitative agreement with a quasiparticle random-phase approximation calculation. The present results have been compared with data from the 76Ge(p,n)76As reaction to obtain an estimate of a lower limit for the lifetime of 76Ge for ?? decay. The estimate is in qualitative agreement with the measured lifetime.
URI: http://repository.kln.ac.lk/handle/123456789/4139
Appears in Collections:Physics

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