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Acoplanarity of Lepton Pair to Probe the Electromagnetic Property of Quark Matter

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arxiv 1811.05519 v1 pith:526ONNKC submitted 2018-11-13 hep-ph hep-exnucl-exnucl-th

Acoplanarity of Lepton Pair to Probe the Electromagnetic Property of Quark Matter

classification hep-ph hep-exnucl-exnucl-th
keywords effectsbroadeningleptonmagneticpairprobeacoplanarityatlas
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate the $P_T$-broadening effects in dilepton production through photon-photon scattering in heavy ion collisions. The QED multiple interaction effects with the medium is found to be consistent with a recent observation of low transverse momentum lepton pair from ATLAS collaboration at the LHC. We further comment on the magnetic effects and point out a number of ways to disentangle these two mechanisms. In particular, the rapidity dependence of the $P_T$-broadening effects provide a unique probe to the magnetic effects.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Azimuthal decorrelation in diffractive dijet production

    hep-ph 2026-06 unverdicted novelty 6.0

    All-order resummation of soft gluons for transverse energy-energy correlators in diffractive dijet production demonstrates sensitivity of acoplanarity to diffractive TMDs.

  2. Probing Saturation Effect in Heavy Meson Pair Correlation in Forward $pA$ Collisions

    hep-ph 2026-05 unverdicted novelty 5.0

    Heavy meson pair correlations in forward pA collisions are computed in the CGC framework with Sudakov resummation, reproducing LHCb data and showing a mass hierarchy in R_pA that strengthens at higher rapidity.

  3. Exclusive dimuon production and coherent charmonium photoproduction at forward rapidity in ultra-peripheral Pb$-$Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}=5.36}$ TeV

    nucl-ex 2026-05 unverdicted novelty 4.0

    ALICE reports new rapidity-differential cross sections for coherent J/ψ and ψ(2S) photoproduction and exclusive dimuons in forward rapidity UPC Pb-Pb collisions at 5.36 TeV, showing nuclear shadowing ratios of approxi...