The nonperturbative contribution to asymptotic masses

Abstract

In gauge theories, charged particles obey modified dispersion due to medium interactions (forward scattering), leading at high energies $E\ge T$ to an asymptotic mass-squared $m_{\infty }^2$. We calculate the infrared part of this mass nonperturbatively for the theory of the strong interactions, QCD, through a lattice treatment of its low-energy effective description, Electrostatic QCD (EQCD). Incorporation of these results into a nonperturbative determination of the effective thermal mass will require a still-incomplete next-to-leading order perturbative matching of this quantity to full QCD.

arXiv comment21 pages, 4 figures, 3 tables; corrected for sign error in free solution, inserted comment on EB correlator

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Cited by in corpus (10)

• Non-perturbative determination of collisional broadening and medium induced radiation in QCD plasmas
• Thermalization of non-abelian gauge theories at next-to-leading order
• Classical vs quantum corrections to jet broadening in a weakly-coupled Quark-Gluon Plasma
• Splitting rates in QCD plasmas from a non-perturbative determination of the momentum broadening kernel $C(q_{\perp })$
• Universality (beyond leading log) of soft radiative corrections to $\hat{q}$ in $p_{\perp }$ broadening and energy loss
• Smooth interpolation between thermal Born and LPM rates
• The force-force-correlator in hot QCD perturbatively and from the lattice
• Non-perturbative phenomena in jet modification
• Transport properties of the QCD medium
• Universality aspects of quantum corrections to transverse momentum broadening in QCD media