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We present a new model for jet quenching from coherent radiation in a brick medium. The jet energy loss is simulated as a perturbative final-state vacuum parton shower followed by a medium-induced shower originating from elastic and…

High Energy Physics - Phenomenology · Physics 2023-09-26 Alexander Lind , Iurii Karpenko , Martin Rohrmoser , Joerg Aichelin , Pol Gossiaux , Klaus Werner

Jet-energy loss is an important sign of the creation of Quark-Gluon Plasma in heavy-ion collisions. High transverse momentum ($p_T$) partons are produced at the moment of initial hard scattering and are modified as a result of their…

High Energy Physics - Phenomenology · Physics 2023-07-18 Rouzbeh Modarresi Yazdi , Shuzhe Shi , Charles Gale , Sangyong Jeon

We present a new model for jet quenching in a quark gluon plasma (QGP). The jet energy loss has two steps. The initial jet parton with a high virtuality loses energy by a perturbative vacuum parton shower modified by medium interactions…

High Energy Physics - Phenomenology · Physics 2025-02-27 Iurii Karpenko , Alexander Lind , Martin Rohrmoser , Joerg Aichelin , Pol-Bernard Gossiaux

We construct a measure of transverse momentum loss of jets in nuclear collisions at LHC directly using measurements of jet cross sections in PbPb and pp collisions. The proposal is shown to be equivalent to R_AA and is equally…

High Energy Physics - Phenomenology · Physics 2022-04-13 Sourendu Gupta , Rishi Sharma

We analyze the suppression of particle production at large transverse momenta in ($0-5%$ most) central collisions of gold nuclei at $\sqrt{s_\textrm{NN}}=$ 200 GeV and lead nuclei at $\sqrt{s_{\textrm{NN}}}=$ 2.76 TeV. Full next-to-leading…

Nuclear Theory · Physics 2015-05-27 Dinesh K. Srivastava

The effect of medium-induced parton energy loss on jet fragmentation is studied in high-energy heavy-ion collisions. It is shown that an effective jet fragmentation function can be extracted from the inclusive $p_T$ spectrum of charged…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xin-Nian Wang , Zheng Huang

It is widely accepted that a phenomenologically viable theory of jet quenching for heavy ion collisions requires the understanding of medium-induced parton energy loss beyond the limit of eikonal kinematics formulated by…

High Energy Physics - Phenomenology · Physics 2012-11-29 Korinna C. Zapp , Urs A. Wiedemann

EPOS3-Jet is an integrated framework for jet modelling in heavy ion collisions, where the initial hard (jet) partons are produced along with soft (medium) partons in the initial state EPOS approach. The jet partons then propagate in the…

Nuclear Theory · Physics 2019-11-12 Iurii Karpenko , Joerg Aichelin , Pol Bernard Gossiaux , Martin Rohrmoser , Klaus Werner

A precise quantification of the medium-modification of the high transverse momenta jets in relativistic heavy ion collisions rely on consistent modelling of elastic and inelastic energy loss suffered by the jet and the concurrent underlying…

Nuclear Theory · Physics 2025-05-06 Monideepa Maity , Subrata Pal

As an important signature of the quark-gluon plasma (QGP), a high-precision energy-loss model is essential to independently verify the QGP properties extracted from soft particles. In this work, we optimize the energy loss modeling in…

High Energy Physics - Phenomenology · Physics 2025-03-06 Rouzbeh Modarresi-Yazdi , Shuzhe Shi , Charles Gale , Sangyong Jeon

We study momentum imbalance as a function of jet asymmetry in high-energy heavy-ion collisions. To implement parton production during the collision, we include all Leading Order (LO) $2\to 2$ and $2\to 3$ parton processes in pQCD. The…

High Energy Physics - Phenomenology · Physics 2016-01-21 Alejandro Ayala , Isabel Dominguez , Jamal Jalilian-Marian , Maria Elena Tejeda-Yeomans

A simple model for medium modification of the jet function can be used to extract the jet energy loss distribution through a parameterized form. We carry out a comprehensive Bayesian analysis of the world data on single inclusive jet…

High Energy Physics - Phenomenology · Physics 2023-10-06 Jordan Wu , Weiyao Ke , Xin-Nian Wang

The jet-medium interaction in high energy heavy ion collisions is an important phenomena to characterize the hot and dense medium produced in such collisions. The study of medium-induced modifications to the substructure of inclusive…

High Energy Physics - Phenomenology · Physics 2021-02-03 Sumit Kumar Saha , Debojit Sarkar , Subhasis Chattopadhyay , Ashik Ikbal Sheikh , Sidharth Kumar Prasad

We calculate and compare bremsstrahlung and collisional energy loss of hard partons traversing a quark-gluon plasma. Our treatment of both processes is complete at leading order in the coupling and accounts for the probabilistic nature of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Guang-You Qin , Jorg Ruppert , Charles Gale , Sangyong Jeon , Guy D. Moore , Munshi G. Mustafa

While strong attenuation of single particle production and particle correlations has provided convincing evidence for large parton energy loss in the QGP, its application to jet tomography has inherent limitations due to the inclusive…

High Energy Physics - Phenomenology · Physics 2009-11-18 Ben-Wei Zhang

The nuclear modification factor $R_{AA}$ for $\pi_0$ production in Au+Au collisions at $\sqrt{s}=200$ AGeV is calculated, and studied at high transverse momenta $p_T$. The soft thermalized nuclear medium is described within the framework of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Guang-You Qin , Jörg Ruppert , Simon Turbide , Charles Gale , Chiho Nonaka , Steffen A. Bass

Jet energy loss in heavy ion collisions, as quantified by the traditional observable of high $p_T$ hadron's nuclear modification factor $R_{AA}$, provides highly informative "imaging" of the hot medium created in heavy ion collisions. There…

High Energy Physics - Phenomenology · Physics 2018-03-14 Shuzhe Shi , Jiechen Xu , Jinfeng Liao , Miklos Gyulassy

We calculate radiative and collisional energy loss of hard partons traversing the quark-gluon plasma created at RHIC and compare the respective size of these contributions. We employ the AMY formalism for radiative energy loss and include…

High Energy Physics - Phenomenology · Physics 2011-07-26 G. Y. Qin , J. Ruppert , C. Gale , S. Jeon , G. D. Moore , M. G. Mustafa

Energy-loss studies of hard particle probes produced in heavy ion collisions have often been used to get information on the interactions within the medium of a quark-gluon plasma (QGP). However, with the study of in-medium energy-loss of…

High Energy Physics - Phenomenology · Physics 2018-08-01 Martin Rohrmoser , Pol-Bernard Gossiaux , Thierry Gousset , Jörg Aichelin

Measurements of the suppression of high-pT particles and the away-side jets from heavy-ion collisions at RHIC have shown that medium-induced energy loss affects partons produced in the early stage of a heavy-ion collision. At LHC energies…

Nuclear Experiment · Physics 2019-08-21 Rosi Reed
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