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

P. Puppe, D. Frekers, T. Adachi, H. Akimune, N. Aoi, B. Bilgier, H. Ejiri, H. Fujita, Y. Fujita, M. Fujiwara, E. Ganioǧlu, M. N. Harakeh, K. Hatanaka, M. Holl, H. C. Kozer, J. Lee, A. Lennarz, H. Matsubara, K. Miki, S. E.A. OrrigoT. Suzuki, A. Tamii, J. H. Thies

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Abstract

A (3He,t) charge-exchange reaction experiment on the double-beta decaying nucleus 136Xe has been performed at an incident energy of 420 MeV with the objective to measure the Gamow-Teller (GT) strength distribution in 136Cs. 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 2νββ decay half-life of 136Xe.

Original languageEnglish
Article number051305
JournalPhysical Review C - Nuclear Physics
Volume84
Issue number5
DOIs
Publication statusPublished - 2011 Nov 15
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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