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Radiative photoproduction of pions and pion compton scattering
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
Affiliation:(1) Lebedev Physical Institute, Leninsky prospekt 53, 117 924 Moscow, USSR
Abstract:The cross section for the radiative photoproduction ofpgr+ mesons on hydrogengammap rarrgammapgr+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 scatteringgammapgr+ rarrgammapgr+ has been obtained, and the electric polarizability of thepgr+ meson has been estimated to be
$$alpha _{pi ^ +  }$$
=(20±12) x 10-43cm3.Presented at the symposium ldquoMesons and Light Nucleirdquo, Bechynecaron, 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.
Keywords:
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