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Study of charged-particle multiplicity fluctuations in pp collisions with Monte Carlo event generators at the LHC
International Journal of Modern Physics E ( IF 1.0 ) Pub Date : 2020-09-16 , DOI: 10.1142/s0218301320500743
E. Shokr 1 , A. H. El-Farrash 1 , A. De Roeck 2 , M. A. Mahmoud 3
Affiliation  

Proton–Proton ([Formula: see text]) collisions at the Large Hadron Collider (LHC) are simulated in order to study events with a high local density of charged particles produced in narrow pseudorapidty windows of [Formula: see text] = 0.1, 0.2, and 0.5. The [Formula: see text] collisions are generated at center of mass energies of [Formula: see text], [Formula: see text], [Formula: see text], and [Formula: see text] TeV, i.e., the energies at which the LHC has operated so far, using PYTHIA and HERWIG event generators. We have also studied the average of the maximum charged-particle density versus the event multiplicity for all events, using the different pseudorapidity windows. This study prepares for the multi-particle production background expected in a future search for anomalous high-density multiplicity fluctuations using the LHC data.

中文翻译:

LHC 与 Monte Carlo 事件发生器的 pp 碰撞中带电粒子多重性波动的研究

模拟大型强子对撞机 (LHC) 上的质子-质子([公式:见文本])碰撞,以研究在 [公式:见文本] = 0.1 的窄伪快速窗口中产生的具有高局部密度带电粒子的事件, 0.2 和 0.5。[公式:见文]碰撞产生于[公式:见文]、[公式:见文]、[公式:见文]和[公式:见文] TeV的质心能量,即能量LHC 迄今为止运行的地方,使用 PYTHIA 和 HERWIG 事件发生器。我们还使用不同的伪快速窗口研究了所有事件的最大带电粒子密度的平均值与事件多重性的关系。本研究为未来使用 LHC 数据搜索异常高密度多重性波动时预期的多粒子产生背景做准备。
更新日期:2020-09-16
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