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Suppression of soft nuclear bremsstrahlung in proton-nucleus collisions

Authors :: van Goethem, MJ
Aphecetche, L
Bacelar, JCS
Delagrange, H
Diaz, J
d'Enterria, D
Hoefman, M
Holzmann, R
Huisman, H
Kalantar-Nayestanaki, N
Kugler, A
Löhner, H
Martinez, G
Messchendorp, JG
Ostendorf, RW
Schadmand, S
Siemssen, RH
Simon, RS
Schutz, Y
Turrisi, R
Volkerts, M
Wagner, V
Wilschut, HW
d' Enterria, D.
Wagner, M.
Grand Accélérateur National d'Ions Lourds (GANIL)
Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)
Laboratoire SUBATECH Nantes (SUBATECH)
Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
KVI - Center for Advanced Radiation Technology
Research unit Nuclear & Hadron Physics
Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Source :: Scopus-Elsevier, Physical Review Letters, Physical Review Letters, American Physical Society, 2002, 88, pp.122302. ⟨10.1103/PhysRevLett.88.122302⟩, Physical Review Letters, 88. AMER PHYSICAL SOC, Physical Review Letters, 88(12):122302. AMER PHYSICAL SOC, Physical Review Letters, 2002, 88, pp.122302. ⟨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 quasi-free 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.<br />Comment: 12 pages, 3 figures, submitted to Phys. Rev. Lett

Details

ISSN :: 00319007 and 10797114
Database :: OpenAIRE
Journal :: Scopus-Elsevier, Physical Review Letters, Physical Review Letters, American Physical Society, 2002, 88, pp.122302. ⟨10.1103/PhysRevLett.88.122302⟩, Physical Review Letters, 88. AMER PHYSICAL SOC, Physical Review Letters, 88(12):122302. AMER PHYSICAL SOC, Physical Review Letters, 2002, 88, pp.122302. ⟨10.1103/PhysRevLett.88.122302⟩
Accession number :: edsair.doi.dedup.....0ac4f05e2c659bef1407b5c824e89460
Full Text :: https://doi.org/10.1103/PhysRevLett.88.122302⟩