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van Goethem MJ, Aphecetche L, Bacelar JC, et al. Suppression of soft nuclear bremsstrahlung in proton-nucleus collisions. Phys Rev Lett. 2002;88(12):122302doi: 10.1103/PhysRevLett.88.122302.
van Goethem, M. J., Aphecetche, L., Bacelar, J. C., Delagrange, H., Díaz, J., d'Enterria, D., Hoefman, M., Holzmann, R., Huisman, H., Kalantar-Nayestanaki, N., Kugler, A., Löhner, H., Martínez, G., Messchendorp, J. G., Ostendorf, R. W., Schadmand, S., Siemssen, R. H., Simon, R. S., Schutz, Y., Turrisi, R., Volkerts, M., Wagner, V., & Wilschut, H. W. (2002). Suppression of soft nuclear bremsstrahlung in proton-nucleus collisions. Physical review letters, 88(12), 122302. https://doi.org/10.1103/PhysRevLett.88.122302
van Goethem, M J, et al. "Suppression of soft nuclear bremsstrahlung in proton-nucleus collisions." Physical review letters vol. 88,12 (2002): 122302. doi: https://doi.org/10.1103/PhysRevLett.88.122302
van Goethem MJ, Aphecetche L, Bacelar JC, Delagrange H, Díaz J, d'Enterria D, Hoefman M, Holzmann R, Huisman H, Kalantar-Nayestanaki N, Kugler A, Löhner H, Martínez G, Messchendorp JG, Ostendorf RW, Schadmand S, Siemssen RH, Simon RS, Schutz Y, Turrisi R, Volkerts M, Wagner V, Wilschut HW. Suppression of soft nuclear bremsstrahlung in proton-nucleus collisions. Phys Rev Lett. 2002 Mar 25;88(12):122302. doi: 10.1103/PhysRevLett.88.122302. Epub 2002 Mar 12. PMID: 11909450.
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Phys Rev Lett. 2002 Mar 25;88(12):122302. doi: 10.1103/PhysRevLett.88.122302. Epub 2002 Mar 12.

Suppression of soft nuclear bremsstrahlung in proton-nucleus collisions.

Physical review letters

M J van Goethem, L Aphecetche, J C S Bacelar, H Delagrange, J Díaz, D d'Enterria, M Hoefman, R Holzmann, H Huisman, N Kalantar-Nayestanaki, A Kugler, H Löhner, G Martínez, J G Messchendorp, R W Ostendorf, S Schadmand, R H Siemssen, R S Simon, Y Schutz, R Turrisi, M Volkerts, V Wagner, H W Wilschut

Affiliations

  1. Kernfysisch Versneller Instituut, Zernikelaan 25, NL-9747 AA Groningen, The Netherlands.

PMID: 11909450 DOI: 10.1103/PhysRevLett.88.122302

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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