https://doi.org/10.1140/epjc/s10052-019-7061-4
Regular Article - Theoretical Physics
Higher-order corrections to heavy-quark jet quenching
1
Department of Physics, Technion-Israel Institute of Technology, Haifa, Israel
2
Department of Physics and Technology, University of Bergen, 5020, Bergen, Norway
* e-mail: konrad.tywoniuk@uib.no
Received:
28
January
2019
Accepted:
20
June
2019
Published online:
3
July
2019
We calculate higher-order corrections to the quenching factor of heavy-quark jets due to hard, in-medium splittings in the framework of the BDMPS-Z formalism. These corrections turn out to be sensitive to a single mass-scale ∼ (q̂L)1/2, where q̂ is the medium transport coefficient and L the path length, and allow to draw a distinction between the way light, with m < (q̂L)1/2 (in contrast to massless m=0), and genuinely heavy, with m > (q̂L)1/2, quark jets are quenched in the medium. We show that the corrections to the quenching factor at high energies are double-logarithmic and qualitatively of the same order as for the massless quark jet.
© The Author(s), 2019
