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Related papers: Adjoint chromoelectric correlators for heavy quark…

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We perform a lattice calculation of the correlators of two chromoelectric fields in the adjoint representation connected by adjoint Wilson lines at non-zero temperature. These correlators arise in the study of quarkonium dynamics and of…

High Energy Physics - Lattice · Physics 2025-05-23 Nora Brambilla , Saumen Datta , Marc Janer , Viljami Leino , Julian Mayer-Steudte , Peter Petreczky , Antonio Vairo

When QCD is described by a nonrelativistic effective field theory, operators consisting of gluonic correlators of two chromoelectric or -magnetic fields will often appear in descriptions of quarkonium physics. At zero T, these correlators…

High Energy Physics - Lattice · Physics 2024-01-15 Viljami Leino

Suppression of open heavy flavors and quarkonia in heavy-ion collisions is among the most informative probes of the quark-gluon plasma. Interpreting the full wealth of data obtained from the collision events requires a precise understanding…

High Energy Physics - Phenomenology · Physics 2023-07-25 Govert Nijs , Bruno Scheihing-Hitschfeld , Xiaojun Yao

Suppression of open heavy quarks and quarkonia in heavy-ion collisions are among the most informative probes of quark-gluon plasma (QGP). Interpreting the full wealth of data obtained from the collision events requires a precise theoretical…

High Energy Physics - Phenomenology · Physics 2025-05-01 Bruno Scheihing-Hitschfeld , Xiaojun Yao

The physics of quarkonium created in heavy-ion collisions is intrinsically connected to the correlation functions of adjoint chromoelectric fields in quantum chromodynamics. We study such correlation functions in a weak-coupling expansion…

High Energy Physics - Phenomenology · Physics 2025-08-11 Nora Brambilla , Panayiotis Panayiotou , Saga Säppi , Antonio Vairo

The heavy quark diffusion coefficient is encoded in the spectral functions of the chromo-electric and the chromo-magnetic correlators, of which the latter describes the T/M contribution. We study these correlators at two different…

High Energy Physics - Lattice · Physics 2022-12-22 Viljami Leino , Nora Brambilla , Julian Mayer-Steudte , Peter Petreczky

In the investigation of in-medium modifications of quarkonia and for determining heavy quark diffusion coefficients, correlation functions play a crucial role. For the first time we perform a continuum extrapolation of charmonium and…

High Energy Physics - Lattice · Physics 2020-08-18 Heng-Tong Ding , Olaf Kaczmarek , Anna-Lena Kruse , Hiroshi Ohno , Hauke Sandmeyer

We study charmonia correlators at finite temperature. We analyze to what extent heavy quarkonia correlators are sensitive to the effect of heavy quark transport and whether it is possible to constrain the heavy quark diffusion constant by…

High Energy Physics - Lattice · Physics 2016-09-01 P. Petreczky , K. Petrov , D. Teaney , A. Velytsky

We report on a lattice investigation of heavy quark diffusion within pure SU(3) plasma above the deconfinement transition, with the quarks treated to leading order in the heavy mass expansion. Using a multilevel algorithm, several volumes…

High Energy Physics - Lattice · Physics 2015-03-19 A. Francis , O. Kaczmarek , M. Laine , J. Langelage

We report progress towards computing the heavy quark momentum diffusion coefficient from the correlator of two chromo-electric fields attached to a Polyakov loop in pure SU(3) gauge theory. Using a multilevel algorithm and tree-level…

High Energy Physics - Lattice · Physics 2020-11-11 Nora Brambilla , Viljami Leino , Peter Petreczky , Antonio Vairo

Previous studies have shown that a gauge-invariant correlation function of two chromoelectric fields connected by a straight timelike adjoint Wilson line encodes crucial information about quark-gluon plasma (QGP) that determines the…

High Energy Physics - Phenomenology · Physics 2023-06-16 Govert Nijs , Bruno Scheihing-Hitschfeld , Xiaojun Yao

We report on a lattice investigation of heavy quark momentum diffusion within the pure SU(3) plasma above the deconfinement transition with the quarks treated to leading order in the heavy mass expansion. We measure the relevant…

High Energy Physics - Lattice · Physics 2015-04-29 Thomas Neuhaus

Substantial anisotropies should occur in the hot expanding QCD plasma produced in relativistic heavy-ion collisions due to non-vanishing shear viscosity. We discuss the form of the real-time, hard thermal loop resummed propagator for static…

High Energy Physics - Phenomenology · Physics 2011-05-27 Adrian Dumitru

We summarize results of recent studies of heavy quarkonia correlators and spectral functions at finite temperatures from lattice QCD and systematic T-matrix studies using QCD motivated finite-temperature potentials. We argue that heavy…

High Energy Physics - Phenomenology · Physics 2011-06-14 D. Blaschke , C. Pena

We calculate the momentum diffusion coefficient for heavy quarks in SU(3) gluon plasma at temperatures 1-2 times the deconfinement temperature. The momentum diffusion coefficient is extracted from a Monte Carlo calculation of the…

High Energy Physics - Lattice · Physics 2012-11-13 Debasish Banerjee , Saumen Datta , Rajiv V. Gavai , Pushan Majumdar

We report on the progress of our study on the color-electric correlation functions under gradient flow on the lattice. This calculation is the first step of our long-term project to estimate a series of important transport coefficients, of…

High Energy Physics - Lattice · Physics 2020-01-01 Luis Altenkort , Olaf Kaczmarek , Lukas Mazur , Hai-Tao Shu

The heavy quark diffusion coefficient is encoded in the spectral functions of the chromoelectric and the chromomagnetic correlators that are calculable on the lattice. We study the chromoelectric and the chromomagnetic correlator in the…

High Energy Physics - Lattice · Physics 2021-11-22 Julian Mayer-Steudte , Nora Brambilla , Viljami Leino , Peter Petreczky

We calculate chromo-electric and chromo-magnetic correlators in quenched QCD at $1.5T_c$ and $10^4 T_c$ with the aim to estimate the heavy quark diffusion coefficient at leading order in the inverse heavy quark mass expansion, $\kappa_E$,…

High Energy Physics - Lattice · Physics 2023-04-21 Nora Brambilla , Viljami Leino , Julian Mayer-Steudte , Peter Petreczky

Energy correlators have recently been proposed as a class of jet substructure observables that directly link experimental measurements of the asymptotic energy flux with the field theoretic description of the underlying microscopic…

High Energy Physics - Phenomenology · Physics 2024-09-18 Carlota Andres , Fabio Dominguez , Jack Holguin , Cyrille Marquet , Ian Moult

While there has been a lot of progress in developing a formalism for the study of quarkonia in QGP, a nonperturbative study is still difficult. For bottomonia, where the system size is much less than the inverse temperature, the interaction…

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