A simultaneous understanding of jet and hadron suppression

Abstract

In the context of the hybrid strong/weak coupling model for jet quenching, we perform a global fit to hadron and jet data in the most central bins both at RHIC and LHC. The qualitative and quantitative success of the analysis is attributed to the fact that the model correctly captures the fact that wider jets lose, on average, more energy than the narrower ones, to which high energy hadrons belong. We show how one can understand the relative jet and hadron suppression by analyzing the jet fragmentation functions, and also discuss the role of plasma finite resolution effects.

Jet quenching and medium response in high-energy heavy-ion collisions: a review

“…where E, p T and p z are the total energy, transverse momentum and longitudinal momentum of a given jet, respectively. There are several theoretical studies searching for medium effects on the jet mass distribution [113,269,299,300]. Figure 40 presents the Martini model calculation of the jet mass distribution in central Pb+Pb collisions at 2.76 TeV [113] with and without medium response.…”

Can We Observe Jet $P_T$-broadening in Heavy-Ion Collisions at the LHC?

“…Together with recent studies in Refs. [44,45], the above discussions demonstrate that jet substructure measurements in heavy-ion collision with and without grooming have great potential to reveal the underlying QCD dynamics of the interaction of a jet with the hot and dense medium created at the LHC. We expect that the experimental uncertainties can be reduced in the future and a we hope that a dedicated θ g analysis can be performed in order to reach more definitive conclusions.…”

“…The substructure of jets has also generated great interest in the heavy-ion community where the experimental collaborations have for example reported results for several groomed observables [33][34][35][36]. Similarly on the theory side, jet substructure have received a growing attention [37][38][39][40][41][42][43][44][45][46]. In this work, we study the possible impact of P T -broadening effects due to multiple interactions of the particles inside the jet with the medium.…”

Factorization of Jet Cross Sections in Heavy-Ion Collisions

“…In [40], the medium modification was taken to be a function of the jet p T and the jet energy loss was determined at the cross section level. Other recent data driven approaches can be found in [41][42][43]. The factorization formalism in Eq.…”