Further evidence for the broad ${2}_{2}^{+}$ state at 9.6 MeV in ${}^{12}$C

Further evidence for the broad $2_{2}^{+}$ state at 9.6 MeV in $^{12}$ C

W. R. Zimmerman, N. E. Destefano, M. Freer, M. Gai, and F. D. Smit

Phys. Rev. C 84, 027304 – Published 26 August 2011

Abstract

We measured the $^{12} C {(p, p^{'})}^{12} C^{*}$ reaction at 25 MeV at the three laboratory angles of 20°, 35°, and 45°. The measured spectra support recent evidence for a new broad $2_{2}^{+}$ state at 9.6 MeV in $^{12} C$ , but do not support the claim for such a broad state at 11.1 MeV.

Received 6 May 2011

DOI:https://doi.org/10.1103/PhysRevC.84.027304

Authors & Affiliations

W. R. Zimmerman^1,2, N. E. Destefano^1,2, M. Freer³, M. Gai^1,2, and F. D. Smit⁴

¹Laboratory for Nuclear Science at Avery Point, University of Connecticut, Groton, Connecticut 06340-6097, USA
²WNSL, Department of Physics, Yale University, New Haven, Connecticut 06520-8124, USA
³School of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, United Kingdom
⁴iThemba LABS, P.O. Box 722, Somerset West 7129, South Africa

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Vol. 84, Iss. 2 — August 2011

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Physical Review C

covering nuclear physics

Further evidence for the broad $2_{2}^{+}$ state at 9.6 MeV in $^{12}$ C

W. R. Zimmerman, N. E. Destefano, M. Freer, M. Gai, and F. D. Smit

Phys. Rev. C 84, 027304 – Published 26 August 2011

Abstract

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Physical Review C

covering nuclear physics

Further evidence for the broad 22+ state at 9.6 MeV in 12C

W. R. Zimmerman, N. E. Destefano, M. Freer, M. Gai, and F. D. Smit

Phys. Rev. C 84, 027304 – Published 26 August 2011

Abstract

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Further evidence for the broad $2_{2}^{+}$ state at 9.6 MeV in $^{12}$ C