No evidence of an 11.16 MeV 2+ state in 12C

F. D. Smit, F. Nemulodi, Z. Buthelezi, J. Carter, R. W. Fearick, S. V. Förtsch, M. Freer, H. Fujita, M. Jingo, C. O. Kureba, J. Mabiala, J. Mira, R. Neveling, P. Papka, G. F. Steyn, J. A. Swartz, I. T. Usman, J. J. Van Zyl

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21 Citations (Scopus)


An experiment using the 11B(3He,d)12C reaction was performed at iThemba LABS at an incident energy of 44 MeV and analyzed with a high energy-resolution magnetic spectrometer, to reinvestigate states in 12C published in 1971. The original investigation reported the existence of an 11.16 MeV state in 12C that displays a 2+ nature. In the present experiment, data were acquired at laboratory angles of 25, 30,and 35, which is part of the center-of-mass (c.m.) angle range in the original measurements where a clear signature of such a state was observed. These new low-background measurements revealed no evidence of the previously reported state at 11.16 MeV in 12C.

Original languageEnglish
Article number037301
JournalPhysical Review C - Nuclear Physics
Issue number3
Publication statusPublished - Sept 17 2012

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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