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首页> 外文会议>International Workshop on Hadron Physics >Photoproduction of lepton pairs in proton-nucleus and nucleus-nucleus collisions at RHIC and LHC energies
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Photoproduction of lepton pairs in proton-nucleus and nucleus-nucleus collisions at RHIC and LHC energies

机译：在RAC和LHC能量的质子核和核心碰撞中的Lepton对的光洗脱

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In this contribution we study coherent interactions as a probe of the nonlinear effects in the Quantum Electrodynamics (QED). In particular, we study the multiphoton effects in the production of leptons pairs for proton-nucleus and nucleus-nucleus collisions for heavy nuclei. In the proton-nucleus we assume the ultrarelativistic proton as a source of photons and estimate the photoproduction of lepton pairs on nuclei at RHIC and LHC energies considering the multiphoton effects associated to multiple rescattering of the projectile photon on the proton of the nucleus. In nucleus - nucleus colllisions we consider the two nuclei as a source of photons. As each scattering contributes with a factor αZ to the cross section, this contribution must be taken into account for heavy nuclei.We consider the Coulomb corrections to calculate the multiple scatterings and estimate the total cross section for muon and tau pair production in proton-nucleus and nucleus-nucleus collisions at RHIC and LHC energies.
机译：在该贡献中，我们将相干的相互作用研究了作为量子电动力学（QED）中的非线性效应的探针。特别是，我们研究了Muthons-nucleus和核 - 核碰撞的Leptons对的多光子效应，用于重核的细胞核。在质子 - 核中，我们假设UtrarEtrivistic Proton作为光子的源极，并在RAM和LHC能量下估计Lepton对核和LHC能量的光洗脱，考虑到与髓核质子上的射弹光子多的复浆机相关的多相效应。在核 - 核心电池中，我们将两个核视为光子源。由于每种散射对横截面有一个因子αz贡献，必须考虑到重核来考虑该贡献。我们考虑库仑校正来计算多个散射，并估算质子 - 核中的μ子和Tau配对生产的总横截面和RHIC和LHC能量的核心碰撞。

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