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Analysis of Energy Balance in Di-Jet Events Using Pythia and qPythia at 5.5 TeV

This study investigates the energy balance in di-jet events from Pythia and qPythia simulations at a center-of-mass energy of 5.5 TeV. We analyze the width and peak position of energy distributions for different quenching parameters (qhat = 0 and 50 GeV²/fm) while considering various transverse energy thresholds (Et_jet1). The correlation between L1-L2 energy balances and di-jet energy distributions is explored, emphasizing regions of positive and negative energy balance and their respective color-coded representations.

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Analysis of Energy Balance in Di-Jet Events Using Pythia and qPythia at 5.5 TeV

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  1. Energy Balance (sample) • Pythia pp 5.5TeV • qPythia PbPb 5.5TeV

  2. width & peak position (Pythia)

  3. width & peak position (qPythia)

  4. width & peak position

  5. L1-L2 v.s. Di-Jet EnergyBalance qhat=0GeV2/fm Et_jet1>100GeV L1-L2 blue : 1>EB>0 red : 0>EB>-1 energy balance L1-L2 blue : 14>dL> 4 green : 4>dL> -4 red : -4>dL>-14 energy balance

  6. L1-L2 v.s. Di-Jet EnergyBalance qhat=50GeV2/fm Et_jet1>100GeV L1-L2 blue : 1>EB>0 red : 0>EB>-1 energy balance L1-L2 blue : 14>dL> 4 green : 4>dL> -4 red : -4>dL>-14 energy balance

  7. L1-L2 v.s. Di-Jet EnergyBalance qhat=0GeV2/fm Et_jet1>50GeV qhat=50GeV2/fm Et_jet1>50GeV

  8. L1-L2 v.s. Di-Jet EnergyBalance qhat=0GeV2/fm Et_jet1>150GeV qhat=50GeV2/fm Et_jet1>150GeV

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