Kaonic Hanbury-Brown–Twiss radii at 200 GeV and 5.02 TeV

Here, we use 3 + 1 dimensional quasiparticle anisotropic hydrodynamics (aHydroQP) to make predictions for kaon Hanbury-Brown–Twiss (HBT) radii in 200 GeV and 5.02 TeV heavy-ion collisions. Using previously determined aHydroQP parameters, we compute kaonic HBT radii and their ratios as a function of...

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Published in:Physical review. C 2023-04, Vol.107 (4), Article 044903
Main Authors: Alqahtani, Mubarak, Strickland, Michael
Format: Article
Language:English
Subjects:
Anisotropic hydrodynamics
Hanbury-Brown-Twiss interferometry
Kaons
NUCLEAR PHYSICS AND RADIATION PHYSICS
Quark-gluon plasma
Relativistic heavy-ion collisions
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description Here, we use 3 + 1 dimensional quasiparticle anisotropic hydrodynamics (aHydroQP) to make predictions for kaon Hanbury-Brown–Twiss (HBT) radii in 200 GeV and 5.02 TeV heavy-ion collisions. Using previously determined aHydroQP parameters, we compute kaonic HBT radii and their ratios as a function of the mean transverse momentum of the pair kT. We first consider Au-Au collisions at 200 GeV, finding good agreement between aHydroQP predictions and experimental data up to kT ≈ 0.8 GeV. We then present predictions for kaonic HBT radii and their ratios in 5.02 TeV Pb-Pb collisions. Our aHydroQP predictions do not exhibit a clear kT scaling of the pion and kaon source radii, however, an approximate transverse mass mT scaling is observed, particularly at 200 GeV.
doi_str_mv 10.1103/PhysRevC.107.044903
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subjects Anisotropic hydrodynamics
Hanbury-Brown-Twiss interferometry
Kaons
NUCLEAR PHYSICS AND RADIATION PHYSICS
Quark-gluon plasma
Relativistic heavy-ion collisions
title Kaonic Hanbury-Brown–Twiss radii at 200 GeV and 5.02 TeV
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