Radiative photoproduction of pions and pion compton scattering |
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Authors: | T. A. Aibergenov P. S. Baranov O. D. Beznisko S. N. Cherepnija L. V. Fil'kov A. A. Nafikov A. I. Osadchiy V. G. Raevskiy L. N. Shtarkov E. I. Tamm |
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Affiliation: | (1) Lebedev Physical Institute, Leninsky prospekt 53, 117 924 Moscow, USSR |
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Abstract: | The cross section for the radiative photoproduction of + mesons on hydrogen p ![rarr](/content/t4p00322717mk421/xxlarge8594.gif) ![gamma](/content/t4p00322717mk421/xxlarge947.gif) +n in dependence on the momentum transfer squared has been measured at the 1·2 GeV electron synchrotron PACHRA. Using extrapolation of the data to pion pole the differential cross section for the pion Compton scattering![gamma](/content/t4p00322717mk421/xxlarge947.gif) + ![rarr](/content/t4p00322717mk421/xxlarge8594.gif) ![gamma](/content/t4p00322717mk421/xxlarge947.gif) + has been obtained, and the electric polarizability of the + meson has been estimated to be =(20±12) x 10-43cm3.Presented at the symposium Mesons and Light Nuclei , Bechyn , Czechoslovakia, May 27–June 1, 1985.The authors thank P. A. Cherenkov for his constant attention to this work and helpful discussions at all stages of the work. |
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