Phys. Rev. C 63, 051303 (2001) [3 pages]Corrections to the one-photon approximation in the 0+→2+ transition of 12C |
P. Guèye *, M. Bernheim, J. F. Danel, J. E. Ducret, L. Lakéhal-Ayat, J. M. Le Goff, A. Magnon, C. Marchand, J. Morgenstern, J. Marroncle, P. Vernin, and A. Zghiche-Lakéhal-Ayat †
DAPNIA, Service de Physique Nucléaire, CEA-Saclay, F-91191 Gif-Sur-Yvette Cedex, France
V. Breton
Laboratoire de Physique Corpusculaire, Université Blaise Pascal, Institut de Physique Nucléaire et de Physique des Particules, F-63177 Aubière Cedex, France
S. Frullani, F. Garibaldi, F. Ghio, and M. Jodice
Laboratorio di Fisica, Istituto Superiore di Sanità e Istituto di Fisica Nucleare, Sezione Sanità, I-00161 Roma, Italy
Z. E. Meziani
Department of Physics, Temple University, Philadelphia, Pennsylvania 19122
E. Offermann ‡
Thomas Jefferson National Accelerator Facility (TJNAF), 12000 Jefferson Avenue, Newport News, Virginia 23606
M. Traini
Dipartimento di Fisica, Università degli Studi di Trento, I-38050 Povo (Trento), Italy
INFN, G.C. Trento, Italy
Received 1 November 2000; published 18 April 2001
Contribution of higher order effects to the one-photon exchange approximation were studied in the first excited state of 12C by comparing inclusive inelastic scattering cross sections of electrons and positrons obtained at the Saclay Linear Accelerator. The data were compared to a distorted wave Born approximation (DWBA) calculation. The results indicate an effect less than 2% within 2σ, compatible with what was observed in recent elastic scattering measurements.
©2001 The American Physical Society
URL: http://link.aps.org/abstract/PRC/v63/e051303
DOI: 10.1103/PhysRevC.63.051303
PACS: 25.30.Hm, 24.10.Ht, 27.20.+n
* Present address: Hampton University, Nuclear High Energy Research Physics Center, Hampton, VA 23606.
† Present address: Center de Recherches Nucléaires Cronenbourg, F-67037 Strasbourg Cédex, France.
‡ Present address: Renaissance Technologies Corp., 600 Rt. 25A, East Setauket, NY 11733.
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