التفاصيل البيبلوغرافية
| العنوان: |
Probing high-momentum component in nucleon momentum distribution by neutron-proton bremsstrahlung γ-rays in heavy ion reactions. |
| المؤلفون: |
Qin, Yuhao1 (AUTHOR), Niu, Qinglin2 (AUTHOR), Guo, Dong1 (AUTHOR), Xiao, Sheng1 (AUTHOR), Tian, Baiting1 (AUTHOR), Wang, Yijie1 (AUTHOR), Qin, Zhi1 (AUTHOR), Diao, Xinyue1 (AUTHOR), Guan, Fenhai1 (AUTHOR), Si, Dawei1 (AUTHOR), Zhang, Boyuan1 (AUTHOR), Zhang, Yaopeng1 (AUTHOR), Wei, Xianglun3,4 (AUTHOR), Yang, Herun3,4 (AUTHOR), Ma, Peng3,4 (AUTHOR), Zou, Haichuan4,5 (AUTHOR), Qiu, Tianli3,4 (AUTHOR), Huang, Xinjie3,4 (AUTHOR), Hu, Rongjiang3,4 (AUTHOR), Duan, Limin3,4 (AUTHOR) |
| المصدر: |
Physics Letters B. Mar2024, Vol. 850, pN.PAG-N.PAG. 1p. |
| مصطلحات موضوعية: |
*PARTICLES (Nuclear physics), *BREMSSTRAHLUNG, *HEAVY ions, *PHOTONS, *MOMENTUM distributions, *SPECTROMETERS |
| مستخلص: |
The high momentum tail (HMT) of nucleons, as a signature of the short-range correlations in nuclei, has been investigated by the high-energy bremsstrahlung γ rays produced in 86Kr+124Sn at 25 MeV/nucleon. The energetic photons are measured by a CsI(Tl) hodoscope mounted on the spectrometer CSHINE. The energy spectrum ≥35 MeV can be reproduced by the Isospin- and Momentum-Dependent Boltzmann-Uehling-Uhlenbeck model calculations incorporating the photon production channel from np process in which the HMTs of nucleons is considered. A non-zero HMT ratio of about 15% is favored by the data. The effect of the capture channel n p → d γ is demonstrated. [ABSTRACT FROM AUTHOR] |
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