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Azimuthal anisotropy and multiplicities of hard photons and free nucleons in intermediate-energy heavy-ion collisions
Wang, SS; Ma, YG; Cao, XG; Fang, DQ; Ma, CW
2020
Source PublicationEUROPEAN PHYSICAL JOURNAL A
ISSN1434-6001
Volume56Issue:10Pages:-
Subtype期刊论文
AbstractAnisotropic flow can offer significant information of evolution dynamics in heavy-ion collisions. A systematic study of the directed flow v1 and elliptic flow v2 of hard photons and free nucleons is performed for 40Ca + 40Ca collisions in a framework of isospin-dependent quantum molecular dynamics (IQMD) model. The study firstly reveals that thermal photons emitted in intermediate-energy heavy-ion collisions have the behaviors of directed and elliptic flows. The interesting phenomena of incident energy dependence of v1 and v2 for thermal photons in central collisions also confirmed that it can be regarded as a good probe of evolution dynamics. Moreover, the multiplicities of hard photons and free nucleons and their correlation are also investigated. We find that direct photon emission is positively related to free nucleons emission, however, there exists an anti-correlation for thermal photons with free nucleons.
KeywordIMPACT PARAMETER DEPENDENCE QUANTUM MOLECULAR-DYNAMICS GAMMA-RAY PRODUCTION LIGHT PARTICLES COLLECTIVE-FLOW YIELD RATIOS BREMSSTRAHLUNG EQUATION PROBE DISTRIBUTIONS
DOI10.1140/epja/s10050-020-00264-z
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32722
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Fudan Univ, Inst Modern Phys, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200433, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
5.Henan Normal Univ, Inst Particle & Nucl Phys, Xinxiang 453007, Henan, Peoples R China
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Wang, SS,Ma, YG,Cao, XG,et al. Azimuthal anisotropy and multiplicities of hard photons and free nucleons in intermediate-energy heavy-ion collisions[J]. EUROPEAN PHYSICAL JOURNAL A,2020,56(10):-.
APA Wang, SS,Ma, YG,Cao, XG,Fang, DQ,&Ma, CW.(2020).Azimuthal anisotropy and multiplicities of hard photons and free nucleons in intermediate-energy heavy-ion collisions.EUROPEAN PHYSICAL JOURNAL A,56(10),-.
MLA Wang, SS,et al."Azimuthal anisotropy and multiplicities of hard photons and free nucleons in intermediate-energy heavy-ion collisions".EUROPEAN PHYSICAL JOURNAL A 56.10(2020):-.
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