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Energy dependence of polarized γγ→e+e− in peripheral Au+Au collisions at sNN=54.4 and 200 GeV with the STAR experiment at RHIC

et al.
Abstract

We report the differential yields at mid-rapidity of the Breit-Wheeler process (γγ→e+e−) in peripheral Au+Au collisions at sNN=54.4 and 200 GeV with the STAR experiment at the Relativistic Heavy Ion Collider (RHIC), as a function of energy sNN, e+e− transverse momentum pT, pT2, invariant mass Mee, and azimuthal angle. In the invariant mass range of 0.4

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