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Can we observe jet P-broadening in heavy-ion collisions at the LHC?
Physics Letters B ( IF 4.4 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.physletb.2020.135634
Felix Ringer , Bo-Wen Xiao , Feng Yuan

We investigate the effect of PT-broadening on jet substructure observables in heavy-ion collisions at the LHC. As an example, we focus on the opening angle of the two branches that satisfy the soft drop grooming condition in a highly energetic jet. The medium modification of the angular distribution can provide important information on the jet transport properties of hot QCD matter. In addition, we take into account a change of the overall fraction of quark and gluon jets in heavy-ion collisions. We comment on the comparison to a recent measurement from the ALICE Collaboration.

中文翻译:

我们能在 LHC 的重离子碰撞中观察到喷流 P 展宽吗?

我们研究了 PT 加宽对 LHC 重离子碰撞中喷流子结构可观测物的影响。例如,我们关注满足高能射流中软液滴修饰条件的两个分支的张开角度。角度分布的介质修改可以提供关于热 QCD 物质的射流传输特性的重要信息。此外,我们还考虑了重离子碰撞中夸克和胶子射流的整体分数的变化。我们对与 ALICE Collaboration 的最近测量结果的比较进行了评论。
更新日期:2020-09-01
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