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Momentum imbalance of isolated photon-tagged jet production at RHIC and LHC

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arxiv 1207.5177 v2 pith:XU6F7WL3 submitted 2012-07-21 hep-ph nucl-exnucl-th

Wei Dai , Ivan Vitev , Ben-Wei Zhang This is my paper · ORCID
classification hep-phnucl-exnucl-th
keywords alphacentralimbalanceisolatedjetsmomentumpartonphoton-tagged
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

In collisions of ultra-relativistic nuclei, photon-tagged jets provide a unique opportunity to compare jet production and modification due to parton shower formation and propagation in strongly-interacting matter at vastly different center-of-mass energies. We present first results for the cross sections of jets tagged by an isolated photon to ${\cal O}(\alpha_{\rm em} \alpha_s^2)$ in central Au+Au reactions with $\sqrt{s_{NN}}=200$ GeV at RHIC and central Pb+Pb reactions with $\sqrt{s_{NN}}=2.76$ TeV at LHC. We evaluate the increase in the transverse momentum imbalance of the observed $\gamma$+jet state, induced by the dissipation of the parton shower energy due to strong final-state interactions. Theoretical predictions to help interpret recent and upcoming experimental data are presented.

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Cited by 3 Pith papers

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

  1. Jet charge modification in dense QCD matter

    hep-ph 2019-08 conditional novelty 7.0 of 10

    The authors derive a factorized formula for the average jet charge in heavy-ion collisions from soft-collinear effective theory and predict its modification relative to proton-proton collisions.

  2. An improved linear Boltzmann transport model for hadron and jet suppression in ultrarelativistic heavy-ion collisions

    nucl-th 2026-02 conditional novelty 6.0 of 10

    An improved LBT model with an earlier medium-scale insertion and color-flow tracking reproduces hadron and jet nuclear modification factors together in 5.02 TeV Pb+Pb collisions.

  3. Probing medium response via strangeness enhancement around quenched jets

    nucl-th 2024-12 conditional novelty 4.0 of 10

    In the AMPT model, jet-induced medium excitation enhances the strange-to-non-strange hadron ratio around quenched jets in Pb+Pb collisions, increasing with centrality and radial distance.

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