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中高能质子与核碰撞反应机制的研究 被引量:1
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作者 卢兆启 李祝霞 《高能物理与核物理》 CSCD 北大核心 1994年第7期647-651,共5页
用量子分子动力学模型,在质子能量为200MeV、585MeV和1000MeV的情况下,对P+56Fe的碰撞反应机制进行了研究,并计算了核子能谱、碎块质量分布随时间的演化以及中子发射的双微分截面等,得到了合理的结果.
关键词 质子-核碰撞 QMD模型 重离子反应
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Cold Nuclear Matter Effects on Isolated Prompt Photon and Isolated Prompt Photon+Jet Productions in Relativistic Heavy-Ion Collisions
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作者 代巍 陈时勇 +1 位作者 张本威 王思科 《Communications in Theoretical Physics》 SCIE CAS CSCD 2013年第3期349-355,共7页
We investigate the cold nuclear matter(CNM) effects on isolated prompt photon and isolated prompt photon associated jet productions in nuclear collisions at the NLO accuracy by using the EPS09 NLO nuclear parton distr... We investigate the cold nuclear matter(CNM) effects on isolated prompt photon and isolated prompt photon associated jet productions in nuclear collisions at the NLO accuracy by using the EPS09 NLO nuclear parton distribution functions and their error sets.Nuclear modification factors of isolated prompt photon and isolated prompt photon+jet productions due to CNM effects in p+A and A+A reactions at the RHIC and the LHC are provided with varying rapidity and transverse momentum of the final state photon.It is shown that the CNM effects on isolated prompt photon and photon+jet are modest,which give a small enhancement at low pT region and a more obvious suppression at large pT at central rapidity.At forward rapidity a pronounced suppression of γ as well as γ+jet is always observed. 展开更多
关键词 isolated photon prompt photon photon +jet cold nuclear matter effects heavy ion collisions EPS09 photon production
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