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Mr Ilia Grishmanovskii06/04/2022, 17:30Jets, high-pT hadrons, and medium responsePoster
We study the interaction of leading jet partons in a strongly interacting quark-gluon plasma (sQGP) medium based on the effective dynamical quasi-particle model (DQPM). The DQPM describes the non-perturbative QCD nature of the sQGP at finite temperature $T$ and baryon chemical potential $\mu_B$ based on a propagator representation in terms of massive off-shell partons (quarks and gluons) which...
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Dr Yayun He (South China Normal University)06/04/2022, 17:34Jets, high-pT hadrons, and medium responsePoster
The azimuthal anisotropy of parton energy loss in non-central heavy-ion collisions can lead to jet anisotropy which in turn can provide insight into the path-length dependence of jet quenching. Jet anisotropy flow in this study is investigated within the Linear Boltzmann Transport model, in which the dynamical evolution of the QGP is simulated within the CLVisc hydrodynamic model with fully...
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Tianyu Dai06/04/2022, 17:38Jets, high-pT hadrons, and medium responsePoster
We perform a systematic data-driven extraction of the light parton transport properties in a quark-gluon plasma based on a hard-soft factorized parton energy loss model [1]. In this model, occasional hard interactions and frequent softer interactions are systematically factorized. The larger number of soft interactions makes possible an effective stochastic description of the parton-plasma...
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Yongzhen Hou (Central China Normal University CCNU (CN))06/04/2022, 17:42Jets, high-pT hadrons, and medium responsePoster
In heavy-ion collisions, large transverse momentum partons traverse the colored medium and lose energy via induced gluon radiation and elastic scattering, which modify jet structure relative to jets produced in vacuum. The semi-inclusive recoil jet measurement provides precise, data-driven suppression of the large uncorrelated background and uniquely enables the exploration of medium-induced...
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Bas Hofman (Nikhef National institute for subatomic physics (NL))06/04/2022, 17:46Jets, high-pT hadrons, and medium responsePoster
The modification of the substructure of jets due to interactions with a hot QCD medium, the quark-gluon plasma, can be used to study the properties of this medium. Due to the nature of a jet, as a composite object of multiple particles, there are many observables one could construct and study. There is no indication that a single observable will be sufficient to understand the interaction of...
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Pin-Chun Chou (Massachusetts Inst. of Technology (US))06/04/2022, 17:50Jets, high-pT hadrons, and medium responsePoster
In this poster, measurements of the azimuthal opening angle and transverse momentum correlations between isolated photons and their associated jets, which are sensitive to medium induced parton momentum broadening, are reported for the first time with the high statistics pp and PbPb data recorded in 2017 and 2018. Isolated photon production and their detection techniques will also be summarized.
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Soeren Schlichting (Universität Bielefeld), Dr ismail soudi (Wayne State University)06/04/2022, 17:54Jets, high-pT hadrons, and medium responsePoster
We study the thermalization of highly energetic partons in a high-temperature QCD plasma. We investigate the non-equilibrium dynamics using an effective kinetic description of QCD, following the evolution of a highly energetic parton from the hard momentum scales all the way to the medium scales, while keeping track of the recoil onto the medium [1-2]. We find that successive radiative...
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Charles Hughes (University of Tennessee (US))06/04/2022, 17:58Jets, high-pT hadrons, and medium responsePoster
Hard partonic scatterings serve as an important probe of quark-gluon-plasma (QGP) properties. The properties of jets and their constituents can provide a tool for understanding the partonic energy loss mechanisms. Low momentum jets offer a unique window into partonic energy loss because they reconstruct the partons which have lost a significant amount of energy to the QGP medium. The main...
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Dr NIHAR RANJAN Sahoo (Shandong University)06/04/2022, 18:02Jets, high-pT hadrons, and medium responsePoster
The measurement of jet deflection in heavy-ion collisions promises to provide unique and incisive insight into the physics of jet quenching and the quasi-particle nature of the QGP. However, observation of large-angle jet deflection favors using low transverse momenta ($p_{\rm T}$) jets, which is challenging in the high-background environment of heavy-ion collisions. The semi-inclusive...
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Zhong Yang (CCNU)06/04/2022, 18:06Jets, high-pT hadrons, and medium responsePoster
Diffusion wake is a unique signal of the medium response which provides rich information of quark-gluon plasma in high-energy heavy-ion collisions. It can be characterized by a depletion of the azimuthal angle distribution of hadrons in the trigger direction in $\gamma$/Z jet events. However, this signal, if integrated over a large range of rapidity, can be overwhelmed by an enhancement of...
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Christos Pliatskas Stylianidis (Nikhef National institute for subatomic physics (NL))06/04/2022, 18:10Jets, high-pT hadrons, and medium responsePoster
Jets are excellent probes for the study of the deconfined matter formed in heavy ion collisions. In particular, jet substructure measurements can help us understand the interaction dynamics of high-energy partons with the quark-gluon plasma. We introduce a new infrared and collinear safe observable: jet energy flow measurements using jets reconstructed with different resolution parameters $R$....
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