Multi-scale evolution of charmed particles in a nuclear medium
Abstract
Parton energy-momentum exchange with the quark gluon plasma (QGP) is a multi-scale 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 MATTER model, while the low virtuality and high energy portion is treated via a (linearized) Boltzmann Transport (LBT) formalism. Coherence effect that reduces the medium-induced emission rate in the MATTER model is also taken into account. The interplay between these two formalisms is studied in detail and used to produce a good description of the D-meson and charged hadron nuclear modification factor RAA across multiple centralities. All calculations were carried out utilizing the JETSCAPE framework.
Cite
@article{arxiv.2208.00983,
title = {Multi-scale evolution of charmed particles in a nuclear medium},
author = {JETSCAPE collaboration and W. Fan and G. Vujanovic and S. A. Bass and A. Majumder and A. Angerami and R. Arora and S. Cao and Y. Chen and T. Dai and L. Du and R. Ehlers and H. Elfner and R. J. Fries and C. Gale and Y. He and M. Heffernan and U. Heinz and B. V. Jacak and P. M. Jacobs and S. Jeon and Y. Ji and K. Kauder and L. Kasper and W. Ke and M. Kelsey and M. Kordell and A. Kumar and J. Latessa and Y. -J. Lee and D. Liyanage and A. Lopez and M. Luzum and S. Mak and A. Mankolli and C. Martin and H. Mehryar and T. Mengel and J. Mulligan and C. Nattrass and D. Oliinychenko and J. -F. Paquet and J. H. Putschke and G. Roland and B. Schenke and L. Schwiebert and A. Sengupta and C. Shen and A. Silva and C. Sirimanna and D. Soeder and R. A. Soltz and I. Soudi and J. Staudenmaier and M. Strickland and Y. Tachibana and J. Velkovska and X. -N. Wang and R. L. Wolpert and W. Zhao},
journal= {arXiv preprint arXiv:2208.00983},
year = {2023}
}