Low-lying GT+ strength in In116 from a (d,He2) reaction experiment and its implications for Cd116 double β decay

S. Rakers, C. Bäumer, A. M. Van Den Berg, B. Davids, D. Frekers, D. De Frenne, E. W. Grewe, P. Haefner, M. N. Harakeh, S. Hollstein, M. Hunyadi, E. Jacobs, B. C. Junk, A. Korff, A. Negret, L. Popescu, H. J. Wörtche

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Abstract

We have used the (d,He2) reaction to obtain the GT+ strength distribution for Sn116→In116 transitions. Here, In116 is the intermediate nucleus in the second-order perturbative description of Cd116 double beta (ββ) decay. In this paper we will review what is known about the nuclear matrix elements for the Cd116 2νββ decay, discuss the single-state dominance hypothesis and combine our new data with other existing data from charge-exchange reactions to obtain a 2νββ-decay half-life. The deduced value T1/2=(4±1)×1019y compares well with the one known from direct counting experiments.

Original languageEnglish
Article number054313
JournalPhysical Review C - Nuclear Physics
Volume71
Issue number5
DOIs
Publication statusPublished - May 2005

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decay
charge exchange
half life
counting
nuclei
matrices

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

Rakers, S., Bäumer, C., Van Den Berg, A. M., Davids, B., Frekers, D., De Frenne, D., ... Wörtche, H. J. (2005). Low-lying GT+ strength in In116 from a (d,He2) reaction experiment and its implications for Cd116 double β decay. Physical Review C - Nuclear Physics, 71(5), [054313]. https://doi.org/10.1103/PhysRevC.71.054313

Low-lying GT+ strength in In116 from a (d,He2) reaction experiment and its implications for Cd116 double β decay. / Rakers, S.; Bäumer, C.; Van Den Berg, A. M.; Davids, B.; Frekers, D.; De Frenne, D.; Grewe, E. W.; Haefner, P.; Harakeh, M. N.; Hollstein, S.; Hunyadi, M.; Jacobs, E.; Junk, B. C.; Korff, A.; Negret, A.; Popescu, L.; Wörtche, H. J.

In: Physical Review C - Nuclear Physics, Vol. 71, No. 5, 054313, 05.2005.

Research output: Contribution to journalArticle

Rakers, S, Bäumer, C, Van Den Berg, AM, Davids, B, Frekers, D, De Frenne, D, Grewe, EW, Haefner, P, Harakeh, MN, Hollstein, S, Hunyadi, M, Jacobs, E, Junk, BC, Korff, A, Negret, A, Popescu, L & Wörtche, HJ 2005, 'Low-lying GT+ strength in In116 from a (d,He2) reaction experiment and its implications for Cd116 double β decay', Physical Review C - Nuclear Physics, vol. 71, no. 5, 054313. https://doi.org/10.1103/PhysRevC.71.054313
Rakers, S. ; Bäumer, C. ; Van Den Berg, A. M. ; Davids, B. ; Frekers, D. ; De Frenne, D. ; Grewe, E. W. ; Haefner, P. ; Harakeh, M. N. ; Hollstein, S. ; Hunyadi, M. ; Jacobs, E. ; Junk, B. C. ; Korff, A. ; Negret, A. ; Popescu, L. ; Wörtche, H. J. / Low-lying GT+ strength in In116 from a (d,He2) reaction experiment and its implications for Cd116 double β decay. In: Physical Review C - Nuclear Physics. 2005 ; Vol. 71, No. 5.
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