在LHC拥挤双喷流事件中的多外围末态
Multiperipheral final states in crowded twin-jet events at the LHC
摘要：
LHC的13 TeV运行提供了一个独特的机会，以前所未有的精度探索多喷流的最终状态。一个有趣的研究领域是这样的事件，其中一个喷流被标记在向前的方向上，另一个在向后的方向上，以及大量的低能量微型喷流填充它们之间可能很大的快度跨度。由于这些事件的数量是非常高的，这是可能的，以引入严格的约束的横向动量的两个领先的射流，可以保持在小窗口不是非常不同的彼此，定义我们所谓的“双射流”。微型射流的相关联的“群”也可以具有有限的横向动量跨度。对于固定多重数的这些事件的研究是研究强子-强子碰撞中多粒子产生的不同模型的理想场所。我们建立了一个探索性的分析，通过使用一个古老的模型的Chew和Pittti描述的总功能，可以预期的结构的单和双微分的快度截面和粒子粒子快度关联时，纵向相空间完全从横向自由度的重叠。
英文摘要：
The 13 TeV run of the LHC has provided a unique opportunity to explore multi-jet final states with unprecedented accuracy. An interesting region for study is that of events where one jet is tagged in the forward direction and another one in the backward direction and a plethora of low energy mini-jets populate the possibly large rapidity span in between them. Since the number of these events is very high, it is possible to introduce stringent constraints on the transverse momentum of the two leading jets which can be kept in small windows not very different from each other, defining what we call "twin jets". The associated "crowd" of mini-jets can also have a restricted span in transverse momentum. The study of these events for a fixed multiplicity is an ideal playground to investigate different models of multi-particle production in hadron-hadron collisions. We set up an exploratory analysis by using an ancient model of Chew and Pignotti to describe the gross features one can expect for the structure of single and double differential-in-rapidity cross sections and for particle-particle rapidity correlations when the longitudinal phase space completely decouples from the transverse degrees of freedom.
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