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Proton total cross sections on 1H, 2H, 4He, 9Be,C and O in the energy range 180 to 560 MeV
Authors:P. Schwaller  M. Pepin  B. Favier  C. Richard-Serre  D.F. Measday  P.U. Renberg
Affiliation:SIN, 5234 Villigen, Switzerland;IPN, Université de Grenoble, France;CERN, 121I Genève 23, Switzerland
Abstract:Proton total cross sections have been measured for the nuclei 1H, 2H, 4He, 9Be, C and O from 180 to 560 MeV (610 to 1170 MeV/c). The standard transmission technique was used with a resulting total error of 1 % to 2 %. Statistical errors were small (< 1 %) and the major contribution to the final error comes from uncertainties in applying the correction for Coulomb-nuclear interference in elastic scattering at small angles. For 4He, 9Be, 12C. and 16O this experiment also gives new information on the real part of the spin-independent forward scattering amplitude for proton-nucleus elastic scattering. Total cross sections have been calculated using a Glauber model approach and poor agreement with the data is obtained, even for deuterium.
Keywords:Nuclear reactions
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