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Related papers: Deep learning jet modifications in heavy-ion colli…

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Building on the notion of a particle physics detector as a camera and the collimated streams of high energy particles, or jets, it measures as an image, we investigate the potential of machine learning techniques based on deep learning…

High Energy Physics - Phenomenology · Physics 2017-01-24 Luke de Oliveira , Michael Kagan , Lester Mackey , Benjamin Nachman , Ariel Schwartzman

Building upon the hybrid strong/weak coupling model for jet quenching, we incorporate and study the effects of transverse momentum broadening and medium response of the plasma to jets on a variety of observables. For inclusive jet…

High Energy Physics - Phenomenology · Physics 2016-12-30 Jorge Casalderrey-Solana , Doga Can Gulhan , Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

The inclusive jet cross-section is measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using a data set corresponding to an integrated luminosity of 4.5 fb$^{-1}$ collected with the ATLAS detector at the Large Hadron…

High Energy Physics - Experiment · Physics 2015-10-13 ATLAS Collaboration

Jet energy loss, photon production and photon-hadron correlations are studied together at high transverse momentum in relativistic heavy-ion collisions at RHIC energies. The modification of hard jets traversing a hot and dense nuclear…

High Energy Physics - Phenomenology · Physics 2010-02-22 Guang-You Qin , Jorg Ruppert , Charles Gale , Sangyong Jeon , Guy D. Moore

We study particle correlations in high energy jets by comparing the measured energy-energy correlator (EEC) with that constructed from two individual energy flows with respect to the jet axis. This comparison demonstrates that genuine…

High Energy Physics - Phenomenology · Physics 2025-07-28 Wenbin Zhao , Volker Koch , Feng Yuan

Dijet, dihadron, hadron-jet angular correlations have been reckoned as important probes of the transverse momentum broadening effects in relativistic nuclear collisions. When a pair of high-energy jets created in hard collisions traverse…

High Energy Physics - Phenomenology · Physics 2017-10-11 Lin Chen , Guang-You Qin , Shu-Yi Wei , Bo-Wen Xiao , Han-Zhong Zhang

Jet quenching in heavy ion collisions is expected to be accompanied by recoil effects, but unambiguous signals for the induced medium response have been difficult to identify so far. Here, we argue that modern jet substructure measurements…

High Energy Physics - Phenomenology · Physics 2018-02-01 José Guilherme Milhano , Urs Achim Wiedemann , Korinna Christine Zapp

The diffusion coefficient of heavy quarks in the deconfined medium is examined in this research using a deep convolutional neural network (CNN) trained with data from relativistic heavy ion collisions involving heavy flavor hadrons. The CNN…

Nuclear Theory · Physics 2023-11-22 Rui Guo , Yonghui Li , Baoyi Chen

In this review, intended for non-specialists and beginners, we recount the current status of the theory of jet modification in dense matter. We commence with an outline of the "traditional" observables which may be calculated without…

Nuclear Theory · Physics 2023-07-19 Abhijit Majumder

Jet substructure observables are crucial for exploring the effects of the hot, dense medium and differentiating between quark and gluon jets. In this paper, we investigate the modification of jet shape by calculating the differential girth…

High Energy Physics - Phenomenology · Physics 2023-02-28 Si-Yu Tang , Wei Zhang , Wen-Di Deng , Cheng-De Tian , Fan Yang , Ren-Zhuo Wan

We present a comprehensive review of the physics of hadron and jet production at large transverse momentum in high-energy nucleus-nucleus collisions. Emphasis is put on experimental and theoretical "jet quenching" observables that provide…

Nuclear Experiment · Physics 2015-05-13 David d'Enterria

The identification of jets and their constituents is one of the key problems and challenging task in heavy ion experiments such as experiments at RHIC and LHC. The presence of huge background of soft particles pose a curse for jet finding…

Data Analysis, Statistics and Probability · Physics 2022-10-18 Yogesh Verma , Satyajit Jena

Transverse momentum broadening and energy loss of a propagating parton are dictated by the space-time profile of the jet transport coefficient $\hat q$ in a dense QCD medium. The spatial gradient of $\hat q$ perpendicular to the propagation…

High Energy Physics - Phenomenology · Physics 2020-09-23 Yayun He , Long-Gang Pang , Xin-Nian Wang

The suppression of single inclusive hadron spectra in heavy-ion collision as compared to the scaled expectation from proton-proton collisions has long been regarded as an interesting tool to study properties of the bulk matter in heavy-ion…

High Energy Physics - Phenomenology · Physics 2014-11-18 Thorsten Renk

The first study of the shapes of jets arising from bottom (b) quarks in heavy ion collisions is presented. Jet shapes are studied using charged hadron constituents as a function of their radial distance from the jet axis. Lead-lead (PbPb)…

High Energy Physics - Experiment · Physics 2023-07-27 CMS Collaboration

The deep learning technique has been applied for the first time to investigate the possibility of centrality determination in terms of the number of participants ($N_{\mathrm{part}}$) in high-energy heavy-ion collisions. For this purpose,…

High Energy Physics - Phenomenology · Physics 2023-08-16 Dipankar Basak , Kalyan Dey

The medium modification of jet substructure in hot and dense nuclear matter has garnered significant interest from the heavy-ion physics community in recent years. Measurements of inclusive jets show an angular narrowing in nucleus-nucleus…

High Energy Physics - Phenomenology · Physics 2026-01-22 Sa Wang , Yao Li , Jin-Wen Kang , Ben-Wei Zhang

The structure of heavy nuclei is difficult to disentangle in high-energy heavy-ion collisions. The deep convolution neural network (DCNN) might be helpful in mapping the complex final states of heavy-ion collisions to the nuclear structure…

Nuclear Theory · Physics 2019-06-26 Long-Gang Pang , Kai Zhou , Xin-Nian Wang

We present a survey of a comprehensive set of jet substructure observables commonly used to study the modifications of jets resulting from interactions with the Quark Gluon Plasma in Heavy Ion Collisions. The \jewel{} event generator is…

High Energy Physics - Phenomenology · Physics 2024-01-24 Miguel Crispim Romão , José Guilherme Milhano , Marco van Leeuwen

The study of the hot and dense medium created in heavy-ion collisions via the effect of parton energy loss is one of the major goals of jet and high-\pt\ measurements in these reactions. In particular the modifications of the longitudinal…

Nuclear Experiment · Physics 2019-08-13 Christian Klein-Boesing
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