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Mach-like emission from nucleon scattering in proton-nucleus reactions
Zhang, G. Q.(张国强); Ma, Y. G.(马余刚); Cao, X. G.; Zhou, C. L.(周铖龙)
2011
Source PublicationPHYSICAL REVIEW C
ISSN0556-2813
Volume83Issue:6
AbstractThe fast-stage nucleon emission of proton-nucleus (pA) reactions from 300A MeV to 1.8A GeV has been investigated using the quantum molecular-dynamics model. It is found that the sideward angular spectrum of nucleon emission presents an interesting Mach-like structure at the early stage of the collision (tens of fm/c). The sideward angular peak value varies from about 45 degrees to near 73 degrees, depending on the bombarding energy. Nucleons emitted from the vicinity of the sideward peak tend to have a fixed momentum value about 0.5 GeV/c, independent of the bombarding energy as well as the impact parameter. Additionally, the sideward angular peak value is almost independent of the equation of state, indicating that binary collision at the early fast stage in the intermediate energy pA reaction plays an important role in the emergence of Mach-like emission.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000291699700003
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/9543
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Zhang, G. Q.,Ma, Y. G.,Cao, X. G.,et al. Mach-like emission from nucleon scattering in proton-nucleus reactions[J]. PHYSICAL REVIEW C,2011,83(6).
APA Zhang, G. Q.,Ma, Y. G.,Cao, X. G.,&Zhou, C. L..(2011).Mach-like emission from nucleon scattering in proton-nucleus reactions.PHYSICAL REVIEW C,83(6).
MLA Zhang, G. Q.,et al."Mach-like emission from nucleon scattering in proton-nucleus reactions".PHYSICAL REVIEW C 83.6(2011).
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