论文标题
与Atlas检测器的PB+PB碰撞中的$ z $标记的电荷粒子产量的中等诱导的修饰
Medium-induced modification of $Z$-tagged charged particle yields in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
论文作者
论文摘要
The yield of charged particles opposite to a $Z$ boson with large transverse momentum ($p_{T}$) is measured in 260 pb$^{-1}$ of $pp$ and 1.7 nb$^{-1}$ of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with the ATLAS detector at the Large Hadron Collider. $ Z $ BOSON标签用于选择具有特定运动学的硬质部分，并观察他们通过PB+PB碰撞中创建的Quark-Gluon等离子体传播时如何修饰阵雨。与$ pp $碰撞相比，PB+PB碰撞中的充电粒子收益率显示出重大的修改，这是带电粒子$ p_ {t} $的函数，其方式取决于事件中心性和$ z $ boson $ p_ {t} $。将数据与多种理论计算进行比较，并提供有关$ p_ {t} $制度中中等诱导的能量损失的新信息，难以通过其他渠道进行测量。
The yield of charged particles opposite to a $Z$ boson with large transverse momentum ($p_{T}$) is measured in 260 pb$^{-1}$ of $pp$ and 1.7 nb$^{-1}$ of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with the ATLAS detector at the Large Hadron Collider. The $Z$ boson tag is used to select hard-scattered partons with specific kinematics, and to observe how their showers are modified as they propagate through the quark-gluon plasma created in Pb+Pb collisions. Compared with $pp$ collisions, charged-particle yields in Pb+Pb collisions show significant modifications as a function of charged-particle $p_{T}$ in a way that depends on event centrality and $Z$ boson $p_{T}$. The data are compared with a variety of theoretical calculations and provide new information about the medium-induced energy loss of partons in a $p_{T}$ regime difficult to measure through other channels.
