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Towards detailed tomography of high energy heavy-ion collisions by gamma-jet
Ma, Guo-Liang
Source PublicationPHYSICS LETTERS B
AbstractWithin a multi-phase transport (AMPT) model with string melting scenario, the transverse momentum imbalance between prompt photon and jet is studied in Pb + Pb collisions at root S-NN = 2.76 TeV. Jet loses more energy in more central collisions due to strong partonic interactions between jet parton shower and partonic matter, which is more significant than due to hadronic interactions only. The hadronization and final-state hadronic interactions have little influences on the imbalance. The imbalance ratio x(j gamma) is sensitive to both production position and passing direction of gamma-jet, which provides an opportunity to do detail gamma-jet tomography on the formed partonic matter by selecting different x(j gamma) ranges. It is also proposed that gamma-hadron azimuthal correlation associated with photon + jet is a probe to see the medium responses to different gamma-jet production configurations. (C) 2013 Elsevier B.V. All rights reserved.
Indexed BySCI
Funding Project应物所项目组
WOS IDWOS:000322358500013
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
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GB/T 7714
Ma, Guo-Liang. Towards detailed tomography of high energy heavy-ion collisions by gamma-jet[J]. PHYSICS LETTERS B,2013,724(41734):CONCATENATE(Sheet1!I380,-Sheet1!J380).
APA Ma, Guo-Liang.(2013).Towards detailed tomography of high energy heavy-ion collisions by gamma-jet.PHYSICS LETTERS B,724(41734),CONCATENATE(Sheet1!I380,-Sheet1!J380).
MLA Ma, Guo-Liang."Towards detailed tomography of high energy heavy-ion collisions by gamma-jet".PHYSICS LETTERS B 724.41734(2013):CONCATENATE(Sheet1!I380,-Sheet1!J380).
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