Abstract
The energy spectra of secondary photons from the interaction of a 6.2 GeV bremsstrahlung beam with targets of H2, Be, C, Al and Cu are measured for laboratory angles from 35° to 120°. All spectra exhibit an exponential decrease of the photon yield with increasing momentum. Difference measurements with energies of the bremsstrahlung beam from 3.5 to 6.2 GeV for a center of mass angle of 90° are compared with the thermodynamical model of Fermi and the reaction temperature is determined to be 83MeV±8%. The results agree approximately with the measurements of p-Be-collisions at small laboratory angles.
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Herrn Prof. Dr. P.Stähelin bin ich für sein förderndes Interesse an diesen Untersuchungen zu Dank verpflichtet.
Herrn Dr. P.Schmüser verdanke ich die kritische Durchsicht dieser Arbeit und eine Reihe klärender Diskussionen.
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Brandes, J. Energie- und Winkelverteilung sekundärer Photonen bei der Wechselwirkung eines 6,2 GeV-Gammastrahls mit komplexen Kernen. Z. Physik 212, 235–242 (1968). https://doi.org/10.1007/BF01420943
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DOI: https://doi.org/10.1007/BF01420943