Electroexcitation of the Δ resonance in the (e,ep) reaction

H. Baghaei, W. Bertozzi, K. I. Blomqvist, J. M. Finn, J. Flanz, C. E. Hyde-Wright, N. Kalantar-Nayestanaki, R. W. Lourie, J. Nelson, W. W. Sapp, C. P. Sargent, P. Ulmer, L. Weinstein, B. H. Cottman, P. K. Teng, E. J. Winhold, M. Yamazaki, J. R. Calarco, F. W. Hersman, C. Perdrisat, V. Punjabi, M. Epstein, and D. J. Margaziotis
Phys. Rev. C 39, 177 – Published 1 January 1989
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Abstract

The C12(e,ep) reaction at the delta resonance has been measured for protons detected parallel to the momentum transfer at two kinematical situations: at the maximum and the low-energy-loss side of the peak. The cross section was measured for missing energies up to 320 and 220 MeV, respectively. In the missing energy spectrum two distinct structures are observed, which correspond to multinucleon knockout and quasifree pion production processes. In addition, there is a remnant of the quasifree knockout process.

  • Received 11 January 1988

DOI:https://doi.org/10.1103/PhysRevC.39.177

©1989 American Physical Society

Authors & Affiliations

H. Baghaei, W. Bertozzi, K. I. Blomqvist, J. M. Finn, J. Flanz, C. E. Hyde-Wright, N. Kalantar-Nayestanaki, R. W. Lourie, J. Nelson, W. W. Sapp, C. P. Sargent, P. Ulmer, and L. Weinstein

  • Department of Physics and Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

B. H. Cottman, P. K. Teng, E. J. Winhold, and M. Yamazaki

  • Department of Physics, Rensselaer Polytechnic Institute, Troy, New York 12181

J. R. Calarco and F. W. Hersman

  • Department of Physics, University of New Hampshire, Durham, New Hampshire 03824

C. Perdrisat and V. Punjabi

  • Department of Physics, College of William and Mary, Williamsburg, Virginia 23185

M. Epstein and D. J. Margaziotis

  • Department of Physics, California State University, Los Angeles, California 90032

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Vol. 39, Iss. 1 — January 1989

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