胶子非弹性散射过程对夸克胶子等离子体中双轻子产生的影响∗OA北大核心CSCDCSTPCDSCI
Effect of inelastic scattering pro cess of gluons on dilepton pro ductions of quark-gluon plasma
双轻子是研究夸克物质的形成和性质的重要探针。本文基于化学平衡化的黏滞性夸克胶子等离子体演化模型，计算了相对论重离子碰撞能量下金-金对心碰撞形成的夸克胶子等离子体中的双轻子产额。在黏滞性计算中加入了胶子非弹性散射过程对黏滞系数的贡献。相较仅考虑夸克和胶子弹性散射的情况，双轻子的产额有较明显的降低。这表明在黏滞系数中加入胶子非弹性散射的贡献使得系统的演化过程加快，演化时间变短。
Dileptons have large mean free paths due to their small cross sections for electromagnetic interaction in plasma. Therefore they are considered to be an important probe for the formation and evolution of the quark matter. In this work, we calculate the dilepton production of quark-gluon plasma (QGP) produced in Au197+Au197 central collisions at relativistic heavy ion collider (RHIC) energy based on the evolution model of a chemically equilibrating viscous QG…查看全部>>
管娜娜
广西师范学院物理与电子工程学院，南宁 530023
双轻子黏滞性夸克胶子等离子体
dileptonviscosityquark-gluon plasma
《物理学报》 2016 (14)
对夸克-胶子等离子体中粘滞系数和双轻子产生的研究
142501-1-142501-4,4
广西自然科学基金(批准号:2015GXNSFBA139008)、国家自然科学基金(批准号:11402058,11247243)和广西师范学院2015年度学科带头人团队专项(批准号:2015XKDTR10)资助的课题.* Project supported by the Natural Science Foundation of Guangxi Zhuang Autonomous Region, China (Grant No.2015GXNSFBA139008), the National Natural Science Foundation of China (Grant Nos.11402058,11247243), and the Guangxi Teachers Education University 2015 Subject Leaders Team, China (Grant No.2015XKDTR10)
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