High-resolution study of 11B to 11C Gamow-Teller strengths as a test case of ab initio shell-model calculations

Y. Fujita, P. Von Brentano, T. Adachi, G. P.A. Berg, D. De Frenne, Kunihiro Fujita, K. Hatanaka, E. Jacobs, K. Nakanishi, A. Negret, L. Popescu, Y. Sakemi, Y. Shimbara, Y. Shimizu, Y. Tameshige, A. Tamii, M. Uchida, M. Yosoi, K. O. Zell

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Abstract

A high energy-resolution 11B(3He,t)11C experiment was performed at 0° and an intermediate incident energy of 140 MeV/nucleon for the study of precise Gamow-Teller (GT) transition strengths. Two doublet states at ≈4.5 and ≈8.4 MeV were clearly resolved with a resolution of 45 keV. The strengths are compared with a calculation using an ab initio no-core shell model, which became available for the A = 11 system recently. It was found that a calculation including a three-nucleon interaction better reproduces the observed GT transition strengths.

Original languageEnglish
Article number011306
JournalPhysical Review C - Nuclear Physics
Volume70
Issue number1
DOIs
Publication statusPublished - Jan 1 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Fujita, Y., Von Brentano, P., Adachi, T., Berg, G. P. A., De Frenne, D., Fujita, K., Hatanaka, K., Jacobs, E., Nakanishi, K., Negret, A., Popescu, L., Sakemi, Y., Shimbara, Y., Shimizu, Y., Tameshige, Y., Tamii, A., Uchida, M., Yosoi, M., & Zell, K. O. (2004). High-resolution study of 11B to 11C Gamow-Teller strengths as a test case of ab initio shell-model calculations. Physical Review C - Nuclear Physics, 70(1), [011306]. https://doi.org/10.1103/PhysRevC.70.011306