ПОЛЯ, ЧАСТИЦЫ, ЯДРА

Nuclear modification factor $I_{AA}$ in $AA$ collisions at RHIC and LHC energies in scenarios with and without quark-gluon plasma formation in $pp$ collisions

B. G. Zakharov

L.D.Landau Institute for Theoretical Physics, 117334 Moscow, Russia

Аннотация: We calculate the away-side hadron-triggered modification factor $I_{AA}$ in $AA$ collisions at RHIC and LHC energies for scenarios with and without quark-gluon plasma formation in $pp$ collision. We find that for both scenarios theoretical results for $I_{AA}$ agree well with the available data for 2.76 TeV Pb + Pb and 0.2 TeV Au + Au collisions. We make predictions for $I_{AA}$ in 7 TeV O + O collisions that are planned at the LHC. Our results show that measuring $I_{OO}$ in the whole centrality interval and at small centrality (${\lesssim}\,5$ %) may give information on the presence of jet quenching in $pp$ collisions.

Поступила в редакцию: 30.07.2025
Исправленный вариант: 04.08.2025
Принята в печать: 04.08.2025

Язык публикации: английский

DOI: 10.31857/S0370274X25090024