Journal
PHYSICS LETTERS B
Volume 755, Issue -, Pages 486-490Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2016.02.044
Keywords
Neutron-proton bremsstrahlung; High-momentum component; Nucleus-nucleus collision
Funding
- National Natural Science Foundation of China [11175085, 11575082, 11235001, 11535004, 11375086, 11375239, 11120101005]
- 973 Program of China [2013CB834400]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Neutron-proton bremsstrahlung in intermediate energy nucleus-nucleus collisions is proposed as a possible probe to study the high-momentum component in nucleon momentum distribution of finite nucleus. Based on the Boltzmann-Uehling-Uhlenbeck (BUU) transport model, the effects of high-momentum component on the production of bremsstrahlung photons in the reaction of C-12 + C-12 collisions at different incident beam energies are studied. It is found that the high-momentum component increases the high-energy bremsstrahlung photon production remarkably. Furthermore, the ratio of photon production at different incident beam energies is suggested as a potential observable to probe the high-momentum component in nucleon momentum distribution of finite nucleus. (C) 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license.
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