论文标题
简单模型中低X制度中的多重性分布
Multiplicity distributions in the low x regime in a simple model
论文作者
论文摘要
在这项工作中，我们在E. Levin和D. Kharzeev提出的模型中介绍了微小的变化，用于质子 - 蛋白碰撞中产生的颗粒的多重性分布。我们将模型的预测与来自LHC的可用实验数据进行了比较。我们还考虑了E. Gotsman和E. Levin提出的最新版本。该模型的这两个版本很好地描述了中央伪宽度区域中测得的多重性分布（$ | |η| <0.5 $）。当我们考虑在更宽的伪长度间隔（$ | |η| <2.4 $）上测量的粒子时，与数据的协议并不是那么好。有趣的是，当人们选择具有较高横向动量的事件（$ P_T> 500 $ MEV）时，该协议会变得更好。
In this work we introduce small changes in the model proposed by E. Levin and D. Kharzeev for multiplicity distributions of particles produced in proton-proton collisions. We compare the predictions of the model with the available experimental data from the LHC. We also consider the most recent version of the model proposed by E. Gotsman and E. Levin. These two versions of the model give a good description of the measured multiplicity distributions in the central pseudo-rapidity region ($|η| < 0.5$). The agreement with data is not so good when we consider the particles measured over a wider pseudo-rapidity interval ($|η| < 2.4$). Interestingly, the agreement becomes better when one selects events with higher transverse momentum ($p_T > 500$ MeV).
