Quantifying the Jet Energy Loss in Pb+Pb collisions at LHC
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866914969387270144 |
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| author | Kumar, Vineet Shukla, Prashant |
| author_facet | Kumar, Vineet Shukla, Prashant |
| contents | In this work, we give a method to study the energy loss of jets in the medium using a variety of jet energy loss observables such as nuclear modification factor and transverse momentum asymmetry in dijets and $γ$-jets in heavy ion collisions. The energy loss of jets in the medium depends mainly on the size and the properties of medium viz. temperature and is a function of energy of the jets as predicted by various models. A Monte Carlo (MC) method is employed to generate the transverse momentum and path-lengths of the initial jets that undergo energy loss. Using different scenarios of energy loss, the transverse momentum and system size dependence of nuclear modification factors and different measures of dijet momentum imbalance at energies $sqrt{s_{\rm NN}}$ = 2.76 TeV and 5.02 TeV and $γ$-jet asymmetry at $\sqrt{s_{\rm NN}}$ =2.76 TeV in Pb+Pb collisions are simulated. The results are compared with the measurements by ATLAS and CMS experiments as a function of transverse momentum and centrality. The study demonstrates how the system size and energy dependence of jet energy loss can be quantified using various experimental observables. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_07852 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantifying the Jet Energy Loss in Pb+Pb collisions at LHC Kumar, Vineet Shukla, Prashant High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Theory In this work, we give a method to study the energy loss of jets in the medium using a variety of jet energy loss observables such as nuclear modification factor and transverse momentum asymmetry in dijets and $γ$-jets in heavy ion collisions. The energy loss of jets in the medium depends mainly on the size and the properties of medium viz. temperature and is a function of energy of the jets as predicted by various models. A Monte Carlo (MC) method is employed to generate the transverse momentum and path-lengths of the initial jets that undergo energy loss. Using different scenarios of energy loss, the transverse momentum and system size dependence of nuclear modification factors and different measures of dijet momentum imbalance at energies $sqrt{s_{\rm NN}}$ = 2.76 TeV and 5.02 TeV and $γ$-jet asymmetry at $\sqrt{s_{\rm NN}}$ =2.76 TeV in Pb+Pb collisions are simulated. The results are compared with the measurements by ATLAS and CMS experiments as a function of transverse momentum and centrality. The study demonstrates how the system size and energy dependence of jet energy loss can be quantified using various experimental observables. |
| title | Quantifying the Jet Energy Loss in Pb+Pb collisions at LHC |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Theory |
| url | https://arxiv.org/abs/2410.07852 |