Details

Autor(en) / Beteiligte

• Xie, Man
• Wei, Shu-Yi
• Qin, Guang-You
• Zhang, Han-Zhong

Titel

Extracting jet transport coefficient via single hadron and dihadron productions in high-energy heavy-ion collisions

Ist Teil von

• The European physical journal. C, Particles and fields, 2019-07, Vol.79 (7), p.1-10, Article 589

Ort / Verlag

Berlin/Heidelberg: Springer Berlin Heidelberg

Erscheinungsjahr

2019

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• We study the suppressions of high transverse momentum single hadron and dihadron productions in high-energy heavy-ion collisions based on the framework of a next-to-leading-order perturbative QCD parton model combined with the higher-twist energy loss formalism. Our model can provide a consistent description for the nuclear modification factors of single hadron and dihadron productions in central and non-central nucleus–nucleus collisions at RHIC and the LHC energies. We quantitatively extract the value of jet quenching parameter q ^ via a global χ 2 analysis, and obtain q ^ / T 3 = 4.1 –4.4 at T = 378  MeV at RHIC and q ^ / T 3 = 2.6 –3.3 at T = 486  MeV at the LHC, which are consistent with the results from JET Collaboration. We also provide the predictions for the nuclear modification factors of dihadron productions in Pb + Pb collisions at s NN = 5.02 TeV and in Xe + Xe collisions at s NN = 5.44 TeV.