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Proton emission in La + La collisions at E/A = 138-MeV and 246-MeV

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LBL - 29530 Proton Emission in La + La Collisions at E/A = 138 and 246 MeV G. Claesson,(l) G. Krebs, J. Miller, G. RocheJ2) L.S. Schroeder Nuclear Science Division, Lawrence Berkeley Laboratory 1 Cyclomn Road, Berkeley, CA 94720 W. Beneson, J. van der ~1icht.O) J.S. Winfield National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Mi 48824 G. Landaud Universita de Clermont ii-In2P3,63170 AubiBre, France J.-F. Gilod4) Departrnent of Physics and Asmnomy, Louisiana State University, Baton Rouge, LA 70803 C. Harmack and H. Stöcker Institute of Theoretical Physics Johann Wolfgang Goethe-Universität August 1990 This work was supported by the Director, Office of Energy Research, Division of Nuclear Physics of the Office of High Energy and Nuclear Physics of the U.S. Department of Energy under Contract DE-AC03-76SF00098 To be published in Physics Letters B Proton Emission in La + La Collisions a t ' ~ / ~ = 138 and 246 MeV G. Claesson,(') G. Krebs, J. Miller, G. R o ~ h e , ( ~ ) L.S. Schroeder Nuclear Science Division, Lawrence Berkeley Laboratory, University of California, Berkeley, C A 94720 W. Benenson, J. van der Plicht,(3) J.S. Winfield National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824 G. Landaud Universiti de Clermont II-IN2P3, 63170 /tzlbit.re, France J.-F. G i l ~ t ( ~ ) Department of Physics and Astronomy, Louisiann State University, Baton Rouge, LA 70803 C. Hartnack and H. Stöcker Institute of Theoretical Physics Johann Wolfgang Goethe-Universität D-6000 Frankfurt am Main, FRG Abstract: Proton cross sections with associated multiplicities have been measured in 13'La +I3'La collisions a t EIA = 138 and 246 MeV. Data were taken at center of mass angles between 40 and 90 degrees. At both energies the incliisive proton cross section is approximately isotropic over the range of c.m. angles covered. At EIA = 246 MeV t

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