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Related papers: Energy Loss in Small Collision Systems

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In this paper, our goal is to make a simultaneous analysis of the high- and low-P_T parts of the charged-hadron P_T spectrum measured by the ALICE collaboration in central Pb-Pb collisions at sqrt{s}=2.76 TeV at the Large Hadron Collider…

High Energy Physics - Phenomenology · Physics 2011-08-22 Thorsten Renk , Hannu Holopainen , Risto Paatelainen , Kari J. Eskola

We present the first theoretical study of medium modifications of the global geometrical pattern, i.e., transverse sphericity ($S_{\perp}$) distribution of jet events with parton energy loss in relativistic heavy-ion collisions. In our…

High Energy Physics - Phenomenology · Physics 2020-09-29 Shi-Yong Chen , Wei Dai , Shan-Liang Zhang , Qing Zhang , Ben-Wei Zhang

Modified thermal distributions (dispersion relations) are introduced within both the MATTER and LBT event generators used to describe jet modification in a heavy-ion collision, within the JETSCAPE framework. Hard partons, propagating…

High Energy Physics - Phenomenology · Physics 2026-01-08 Ritoban Datta , Abhijit Majumder

We carry out a detailed study of medium modifications on $Z^0$/$\gamma$+hadron correlations as well as jet substructures in association with $Z^0/\gamma$ in Pb+Pb collisions with $\sqrt{s_{NN}}=5.02$ TeV at the LHC. We utilize the Linear…

High Energy Physics - Phenomenology · Physics 2024-03-08 Shan-Liang Zhang , Hongxi Xing , Ben-Wei Zhang

We consider the production of inclusive W bosons in variety of high-energy hadronic collisions: p--p, p--$\overline{\rm p}$, p--Pb, and Pb--Pb. In particular, we focus on the resulting distributions of charged leptons from W decay that can…

High Energy Physics - Phenomenology · Physics 2017-09-26 François Arleo , Émilien Chapon , Hannu Paukkunen

In late 2015, the ALICE collaboration recorded data from Pb--Pb collisions at the unprecedented energy of \sqrt{s_{\rm NN}}~5.02~TeV. The transverse-momentum ($p_{\rm T}$) spectra of pions, kaons and protons are presented. The evolution of…

Nuclear Experiment · Physics 2019-08-13 Nicolò Jacazio

The energy loss of fast partons traversing the strongly interacting matter produced in high-energy nuclear collisions is one of the most interesting observables to probe the nature of the produced medium. The multipurpose Compact Muon…

Nuclear Experiment · Physics 2019-08-14 Christof Roland

At top RHIC and LHC energies the suppression of high transverse momentum ($p_{\mathrm{T}}$) hadrons provides evidence for partonic energy loss in QGP. We study partonic energy loss in the RHIC Beam Energy Scan (BES) by investigating the…

Nuclear Experiment · Physics 2016-11-23 Stephen Horvat

We describe the transverse momentum (or mass) spectra of $\pi^\pm$, $K^\pm$, $p$, and $\bar{p}$ produced in central gold-gold (Au-Au), central lead-lead (Pb-Pb), and inelastic proton-proton ($pp$) collisions at different collision energies…

High Energy Physics - Phenomenology · Physics 2020-11-30 Xing-Wei He , Feng-Min Wu , Hua-Rong Wei , Bi-Hai Hong

The effect of parton energy loss in cold nuclear matter on the suppression of quarkonia (J/psi, Upsilon) in heavy-ion collisions is investigated, by extrapolating a model based on coherent radiative energy loss recently shown to describe…

High Energy Physics - Phenomenology · Physics 2015-06-22 François Arleo , Stéphane Peigné

Two types of penetrating probes, direct photon and QCD jets, are investigated in the background of a small and rapidly expanding droplet of quark-gluon plasma. The additional thermal electromagnetic radiation results in a $\sim$50\%…

High Energy Physics - Phenomenology · Physics 2016-01-14 Chun Shen , Chanwook Park , Jean-François Paquet , Gabriel S. Denicol , Sangyong Jeon , Charles Gale

The $p_\perp$ dependence of the nuclear modification factor $R_{\rm AA}$ measured in PbPb collisions at the LHC exhibits a universal shape, which can be very well reproduced in a simple energy loss model based on the BDMPS medium-induced…

High Energy Physics - Phenomenology · Physics 2017-08-16 François Arleo

Fully reconstructed jets and direct photon-tagged jet fragments significantly reduce energy-loss bias, the bias toward mostly measuring particles from partons which suffer little energy loss. In d+Au collisions, one accesses the physics at…

Nuclear Experiment · Physics 2019-08-21 N. Grau

The parton and hadron cascade model PACIAE based on PYTHIA was used to investigate the charged particle elliptic flow in minimum bias pp collisions at the LHC energies. The strings were distributed randomly in the transverse ellipsoid of…

Nuclear Theory · Physics 2015-05-20 Dai-Mei Zhou , Yu-Liang Yan , Bao-Guo Dong , Xiao-Mei Li , Du-Juan Wang , Xu Cai , Ben-Hao Sa

Transverse momentum spectra of charged hadrons with ${p_{T} <}$ 6 GeV/c have been measured near mid-rapidity (0.2 $< \eta <$ 1.4) by the PHOBOS experiment at RHIC in Au + Au and d + Au collisions at ${\sqrt{s_{_{NN}}} = \rm {200 GeV}}$. The…

Nuclear Experiment · Physics 2008-11-26 Rachid Nouicer

Results from electric charge correlations studied with the Balance Function method in A+A collisions from 20\emph{A} to 158\emph{A} GeV are presented in two different rapidity intervals: In the mid-rapidity region we observe a decrease of…

Nuclear Experiment · Physics 2012-08-27 NA49 Collaboration

The nuclear modification factor R_{AA} measured in Pb+Pb collisions at the Large Hadron Collider (LHC) suggests that the jet-medium coupling in a Quark-Gluon Plasma at LHC energies is reduced as compared to energies reached at the…

Nuclear Theory · Physics 2015-06-12 Barbara Betz , Miklos Gyulassy

Quarkonium production in proton-nucleus collisions is a powerful tool to disentangle cold nuclear matter effects. A model based on coherent energy loss is able to explain the available quarkonium suppression data in a broad range of…

High Energy Physics - Phenomenology · Physics 2015-04-29 François Arleo , Stéphane Peigné

The first-ever measurement of energy correlators within inclusive jets produced in heavy-ion collisions, revealed by the CMS Collaboration, shows a clear enhancement at large angles relative to the proton-proton (p-p) baseline. However,…

High Energy Physics - Phenomenology · Physics 2025-02-28 Carlota Andres , Jack Holguin , Raghav Kunnawalkam Elayavalli , Jussi Viinikainen

With the HIJING/BBbar v2.0 heavy ion event generator, we explore the phenomenological consequences of several high parton density dynamical effects predicted in central Pb+Pb collisions at the Large Hadron Collider (LHC) energies. These…

High Energy Physics - Phenomenology · Physics 2011-10-31 V. Topor Pop , M. Gyulassy , J. Barrette , C. Gale