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Medium-induced gluon radiation with full resummation of multiple scatterings for realistic parton-medium interactions
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The new precision era of jet quenching observables at both RHIC and the LHC calls for an improved and more precise description of in-medium gluon emissions. The development of new theoretical tools and analytical calculations to tackle this challenge has been hampered by the inability to include the effects of multiple scatterings with the medium using a realistic model for the parton-medium interactions. In this paper, we show how the analytical expressions for the full in-medium spectrum, including the resummation of all multiple scatterings, can be written in a form where the numerical evaluation can be easily performed without the need of the usually employed harmonic or single hard approximations. We present the transverse momentum and energy-dependent medium-induced gluon emission distributions for known realistic interaction models to illustrate how our framework can be applied beyond the limited kinematic regions of previous calculations.
Forward citations
Cited by 6 Pith papers
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A quantum-circuit framework maps partonic cross-sections for multi-particle QCD processes in media, benchmarked on dipole formation and antenna radiation at leading order.
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Jet momentum broadening beyond the jet quenching parameter from QCD kinetic theory
The full elastic collision kernel for jet broadening in the pre-equilibrium gluon plasma is enhanced at small momentum transfer compared to thermal equilibrium, particularly along the beam axis.
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Gluon emission by a $q\bar{q}$ antenna with realistic parton-medium interactions
A quark-antiquark antenna's medium-induced gluon spectrum is computed numerically for a Yukawa scattering rate, generalizing the earlier single-quark method.
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QGP@50: More than Four Decades of Jet Quenching
A historical and technical review of jet quenching in heavy-ion collisions, covering four decades of theory, the RHIC discovery, and modern Bayesian extractions of the jet transport parameter qhat.
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