A direct probe of the in-medium pn scattering cross section
文献类型：期刊论文
| 作者 | Zhang, Xun-Chao ; Yong, Gao-Chan; Zuo, Wei
|
| 刊名 | PHYSICS LETTERS B
 |
| 出版日期 | 2011-11-11 |
| 卷号 | 705期号:705页码:240-243 |
| 关键词 | Neutron proton bremsstrahlung Hard photon production In-medium pn scattering cross section |
| ISSN号 | 0370-2693 |
| DOI | 10.1016/j.physletb.2011.10.020 |
| 英文摘要 | Hard photon production from neutron-proton bremsstrahlung in intermediate energy heavy-ion reactions is examined as a probe of the in-medium pn scattering cross section within a transport model. Uncertainty of photon production probability pn -> pn gamma is cancelled out by using the ratio of hard photon spectra R-12C+ 12(C/p+n) (gamma) from two reactions. The in medium pn scattering cross section is constrained by using the ratio of hard photon production cross sections of proton-induced reactions p + C-12 and p + H-2. A reduction factor sigma(medium)(pn)/sigma(free)(pn) of about 0.5-0.7 around saturation density is obtained by comparing with the existing experimental data. (C) 2011 Elsevier B.V. All rights reserved. |
| WOS关键词 | HEAVY-ION COLLISIONS ; NEUTRON-PROTON BREMSSTRAHLUNG ; ENERGY PHOTON PRODUCTION ; RICH NUCLEI ; GAMMA-RAYS ; EMISSION ; PHYSICS ; STARS |
| 资助项目 | National Natural Science Foundation of China[10875151] ; National Natural Science Foundation of China[11175219] ; National Natural Science Foundation of China[10740420550] ; National Natural Science Foundation of China[10975064] ; National Natural Science Foundation of China[11175074] ; National Natural Science Foundation of China[11105035] ; Chinese Academy of Sciences[KJCX2-EW-N01] ; Major State Basic Research Developing Program of China[2007CB815004] ; CAS/SAFEA[CXTD-J2005-1] ; Zhejiang Provincial Natural Science Foundation[Y6110644] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000297180700013 |
| 出版者 | ELSEVIER SCIENCE BV |
| 资助机构 | National Natural Science Foundation of China ; Chinese Academy of Sciences ; Major State Basic Research Developing Program of China ; CAS/SAFEA ; Zhejiang Provincial Natural Science Foundation |
| 公开日期 | 2012-03-02 |
| 源URL | [http://210.77.73.110/handle/113462/12429]  |
| 专题 | 近代物理研究所_理论物理研究室 |
| 通讯作者 | Yong, Gao-Chan |
| 作者单位 | Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Xun-Chao,Yong, Gao-Chan,Zuo, Wei. A direct probe of the in-medium pn scattering cross section[J]. PHYSICS LETTERS B,2011,705(705):240-243. |
| APA | Zhang, Xun-Chao,Yong, Gao-Chan,&Zuo, Wei.(2011).A direct probe of the in-medium pn scattering cross section.PHYSICS LETTERS B,705(705),240-243. |
| MLA | Zhang, Xun-Chao,et al."A direct probe of the in-medium pn scattering cross section".PHYSICS LETTERS B 705.705(2011):240-243. |
入库方式： OAI收割
来源：近代物理研究所
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