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Journal articles

Suppression of soft nuclear Bremsstrahlung in proton-nucleus collisions

Abstract : Photon energy spectra up to the kinematic limit have been measured in 190 MeV proton reactions with light and heavy nuclei to investigate the influence of the multiple-scattering process on the photon production. Relative to the predictions of models based on a quasifree production mechanism, a strong suppression of bremsstrahlung is observed in the low-energy region of the photon spectrum. We attribute this effect to the interference of photon amplitudes due to multiple scattering of nucleons in the nuclear medium.
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Contributor : Michel Lion Connect in order to contact the contributor
Submitted on : Wednesday, April 12, 2006 - 9:54:19 AM
Last modification on : Tuesday, May 10, 2022 - 3:44:29 PM

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M.J. van Goethem, Laurent Aphecetche, J.C.S. Bacelar, H. Delagrange, J. Diaz, et al.. Suppression of soft nuclear Bremsstrahlung in proton-nucleus collisions. Physical Review Letters, American Physical Society, 2002, 88, pp.122302. ⟨10.1103/PhysRevLett.88.122302⟩. ⟨in2p3-00019859⟩



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