Abstract
Splitting of the nuclei in a BR-2 photographic emulsion by synchroton bremsstrahlung has been studied in the electron energy range 400–1000 MeV. Cross sections were obtained for star formation with various numbers of tracks. For stars with N ≥ 2 tracks, the cross section in this energy range is approximately constant at (220 ± 40) · 10−30 cm2/nucleon. The measured cross sections are compared with those calculated on the basis of a model of photoproduction of π-mesons at nucleons with subsequent absorption of the π-mesons in the nucleus.
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The authors thank O. I. Vlasova, Yu. Poryadina, and L. Tikhomirova for their extensive work in developing and examining the emulsions.
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Bobrina, V.M., Mameev, V.V. & Filimonov, V.A. Interaction of bremsstrahlung γ-rays having a maximum energy up to 1 GeV with complex nuclei. Soviet Physics Journal 11, 110–114 (1968). https://doi.org/10.1007/BF00822478
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DOI: https://doi.org/10.1007/BF00822478