Angular Correlations for the 12C(e,en)11C Reaction in the Giant Resonance Region

T. Saito, S. Suzuki, K. Takahisa, C. Takakuwa, M. Oikawa, T. Tohei, T. Nakagawa, and K. Abe
Phys. Rev. Lett. 78, 1018 – Published 10 February 1997
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Abstract

Angular correlations for the 12C(e,en)11C reaction in the giant resonance region have been measured for forward scattering at an effective momentum transfer of 0.35fm1. The angular correlation for the ground-state transition indicates a strong forward-backward asymmetry at the peak of the giant dipole resonance (ω=22.5MeV), which is different from the nearly symmetric angular correlations observed for the 12C(e,ep0)11B reaction. Recent random-phase approximation predictions fail to reproduce the experimental angular correlations for both (e,en0) and (e,ep0), predicting the opposite patterns to those observed.

  • Received 9 July 1996

DOI:https://doi.org/10.1103/PhysRevLett.78.1018

©1997 American Physical Society

Authors & Affiliations

T. Saito, S. Suzuki, K. Takahisa, C. Takakuwa, and M. Oikawa

  • Laboratory of Nuclear Science, Tohoku University, Mikamine, Taihakuku, Sendai 982, Japan

T. Tohei and T. Nakagawa

  • Department of Physics, Tohoku University, Aramaki, Aobaku, Sendai 980-77, Japan

K. Abe

  • Department of Nuclear Engineering, Tohoku University, Aramaki, Aobaku, Sendai 980-77, Japan

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Vol. 78, Iss. 6 — 10 February 1997

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