论文标题
QGP修改为校准传输模型中的单个包含喷气机
QGP modification to single inclusive jets in a calibrated transport model
论文作者
论文摘要
我们使用基于运输的模型研究了夸克 - 糖浆血浆（QGP）中的包含射流抑制和修饰。该模型包括高差异性的真空状parton淋浴演化，用于喷射中等相互作用的线性化运输以及用于喷射诱导的介质流体动力响应的简单ANSATZ。将模型参数校准为核修饰因子的核修饰因子，用于包含强壮的强体$ r_ {aa}^{h} $和单个包含式Jets $ r_ {aa}^{J {J} $ r = 0.4 $ r = 0.4 $ in 0-10％central au-au和pb-pb碰撞在RHIC和LHC上的PB-PB碰撞。校准的模型始终描述锥体大小相关的$ r_ {aa}^{j}（r）$，对包容性喷射片段化功能和喷气形状的修改。我们通过分析该模型中的中诱导的射流能流，并阐明硬顿的相互作用和射流诱导的培养基响应来讨论这些修饰的起源。特别是，我们证明了$ p_t \ sim 2 $ gev/$ c $的喷射片段化功能和喷气形状的过量$ r = \ sqrt {δη^2+δϕ^2} $都是软中等诱导的Gluon Gluon辐射和喷射诱导的中等诱导的中等激发。
We study inclusive jet suppression and modifications in the quark-gluon plasma (QGP) with a transport-based model. The model includes vacuum-like parton shower evolution at high-virtuality, a linearized transport for jet-medium interactions, and a simple ansatz for the jet-induced hydrodynamic response of the medium. Model parameters are calibrated to nuclear modification factors for inclusive hadron $R_{AA}^{h}$ and single inclusive jets $R_{AA}^{j}$ with cone size $R=0.4$ in 0-10% central Au-Au and Pb-Pb collisions measured at the RHIC and LHC. The calibrated model consistently describes the cone-size dependent $R_{AA}^{j}(R)$, modifications to inclusive jet fragmentation functions and jet shape. We discuss the origin of these modifications by analyzing the medium-induced jet energy flow in this model and elucidate the interplay of hard parton evolution and jet-induced medium response. In particular, we demonstrate that the excess of soft hadrons at $p_T\sim 2$ GeV/$c$ in jet fragmentation function and jet shape at large $r=\sqrt{Δη^2+Δϕ^2}$ are consequences of both soft medium-induced gluon radiation and jet-induced medium excitation.
