High-resolution (He-3,t) reaction on the double-beta decaying nucleus Xe-136

Date
2011
Author
Ganioglu, Ela
Frekers, D.
Adachi, T.
Akimune, H.
Aoi, N.
Ejiri, H.
Fujita, H.
Fujita, Y.
Fujiwara, M.
Kozer, H. C.
Bilgier, B.
HARAKEH, M. N.
Hatanaka, K.
Holl, M.
Lee, J.
Lennarz, A.
Matsubara, H.
Miki, K.
ORRIGO, S. E. A.
Suzuki, T.
Tamii, A.
THIES, J. H.
Puppe, P.
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Abstract
A (He-3, t) charge-exchange reaction experiment on the double-beta decaying nucleus Xe-136 has been performed at an incident energy of 420 MeV with the objective to measure the Gamow-Teller (GT) strength distribution in Cs-136. The measurements have been carried out at the dispersion-matched WS beam line and the Grand Raiden spectrometer of the Research Center for Nuclear Physics in Osaka, where an energy resolution of 42 keV was achieved. A new gas cell with thin windows made of polyethylene naphthalate has been employed as a target. The extracted GT strength distribution is confronted with the rather long 2 nu beta beta decay half-life of Xe-136.
URI
http://hdl.handle.net/20.500.12627/13314
https://doi.org/10.1103/physrevc.84.051305
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