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Title: Multiscale evolution of charmed particles in a nuclear medium

Journal Article · · Physical Review. C

Parton energy-momentum exchange with the quark gluon plasma (QGP) is a multiscale problem. In this work, we calculate the interaction of charm quarks with the QGP within the higher twist formalism at high virtuality and high energy using the Modular All Twist Transverse-scattering Elastic-drag and Radiation (MATTER) model, while the low-virtuality and high-energy portion is treated via a linearized Boltzmann transport formalism. Coherence effect that reduces the medium-induced emission rate in the MATTER model is also taken into account through a virtuality-dependent qˆ, leaving the simultaneous dependence of qˆ on heavy quark mass and virtuality for future studies. The interplay between these two formalisms is studied phenomenologically and used to produce a first description of the D-meson and charged hadron nuclear modification factor RAA across multiple centralities. As a result, all calculations were carried out utilizing the Jet Energy-loss Tomography with a Statistically and Computationally Advanced Program Envelope framework.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Wayne State Univ., Detroit, MI (United States); Univ. of Tennessee, Knoxville, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); USDOE
Contributing Organization:
JETSCAPE Collaboration
Grant/Contract Number:
SC0012704; SC0021969; FG02-96ER40982
OSTI ID:
1985781
Alternate ID(s):
OSTI ID: 1991193; OSTI ID: 2007827; OSTI ID: 2341429
Report Number(s):
BNL-224531-2023-JAAM; TRN: US2402689
Journal Information:
Physical Review. C, Vol. 107, Issue 5; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Figures / Tables (12)