Charmonium production in ultra-peripheral heavy ion collisions with two-photon processes

Charmonium production in ultra-peripheral heavy ion collisions with two-photon processes
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双光子过程超外周重离子碰撞中的鲎生成

DOI:
10.1016/j.nuclphysb.2017.02.009
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发表时间:
2017-03
期刊:
影响因子:
2.8
通讯作者:
Jian-SongWang
Jian-SongWang
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Gong-MingYu;Yue-ChaoYu;Yun-DeLi;Jian-SongWang

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我们计算了在相对论重离子对撞机(RHIC)、大型强子对撞机(LHC)和未来圆形对撞机(FCC)能量下,质子-质子、质子-核和核-核半相干双光子相互作用中大pT粲偶素和窄共振态(奇异粲偶素)的产生.利用大的准实光子流,给出了超周边重离子碰撞中粲偶素和窄共振态在大横动量下的γγ→H微分截面.数值结果表明,在RHIC、LHC和FCC能区进行超周边碰撞的实验研究是可行的。
We calculate the production of large-pT charmonium and narrow resonance state (exotic charmonium) in proton–proton, proton–nucleus, and nucleus–nucleus collisions with the semi-coherent two-photon interactions at Relativistic Heavy Ion Collider (RHIC), Large Hadron Collider (LHC), and Future Circular Collider (FCC) energies. Using the large quasi-real photon fluxes, we present the γγ→H differential cross section for charmonium and narrow resonance state production at large transverse momentum in ultra-peripheral heavy ion collisions. The numerical results demonstrate that the experimental study of ultra-peripheral collisions is feasible at RHIC, LHC, and FCC energies.
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