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SUMMARY:Heavy Quark Diffusion coefficient in light of Gribov-Zwanziger act
 ion
DTSTART;VALUE=DATE-TIME:20230531T132500Z
DTEND;VALUE=DATE-TIME:20230531T134500Z
DTSTAMP;VALUE=DATE-TIME:20261010T092549Z
UID:indico-contribution-399@indico.ipb.ac.rs
DESCRIPTION:Speakers: Aritra Bandyopadhyay (Heidelberg University)\nThe he
 avy quark momentum diffusion coefficient (𝜅) is one of the most importa
 nt ingredients for the Langevin description of the heavy quark dynamics. I
 n the temperature regime relevant for the heavy ion collision phenomenolog
 y\, there exists a substantial difference between the lattice estimations 
 of 𝜅 and the corresponding leading order (LO) result from the hard ther
 mal loop (HTL) perturbation theory. Moreover\, the indication of poor conv
 ergence in the next-to-leading order (NLO) perturbative analysis has motiv
 ated the development of several approaches to incorporate the non-perturba
 tive effects in the heavy quark phenomenology. In this work [1]\, we estim
 ate the heavy quark diffusion coefficient based on the Gribov-Zwanziger pr
 escription. In this framework\, the gluon propagator\, depends on the temp
 erature dependent Gribov mass parameter which has been obtained self consi
 stently from the one loop gap equation. Incorporating this modified gluon 
 propagator in the leading order analysis\, we\nfind a reasonable agreement
  with the existing lattice estimations of 𝜅 within the model uncertaint
 ies.\n[1] Estimation of the diffusion coefficient of heavy quarks in light
  of Gribov-Zwanziger action \; Sadaf Madni\, Arghya Mukherjee\, Aritra Ban
 dyopadhyay\, Najmul Haque\; Published in: Phys.Lett.B 838 (2023) 137714\n\
 nhttps://events.saifa.rs/event/554/contributions/399/
LOCATION:SANU (Serbian Academy of Science and Arts) - Belgrade\, Serbia
URL:https://events.saifa.rs/event/554/contributions/399/
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