当前位置: X-MOL 学术Eur. Phys. J. C › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Evolution of strange and multi-strange hadron production with relative transverse multiplicity activity in underlying event
The European Physical Journal C ( IF 4.4 ) Pub Date : 2020-10-06 , DOI: 10.1140/epjc/s10052-020-08494-7
Prabhakar Palni , Arvind Khuntia , Paolo Bartalini

In this work, the relative Underlying event (UE) transverse multiplicity activity classifier (\(R_\mathrm{{T}}\)) is used to study the strange and multi-strange hadron production in proton-proton collisions. Our study with \(R_\mathrm{{T}}\) would allow to disentangle these particles, which are originating from the soft and hard QCD processes. We have used the PYTHIA 8 Monte-Carlo (MC) with a different implementation of color reconnection and rope hadronization models to demonstrate the proton-proton collisions data at \(\sqrt{s}~\)= 13 TeV. The relative production of strange and multi-strange hadrons are discussed extensively in low and high transverse activity regions. In this contribution, the relative strange hadron production is enhanced with increasing \(R_\mathrm{{T}}\). This enhancement is significant for the strange baryons as compared to mesons. In addition, the particle ratios as a function of \(R_\mathrm{{T}}~\)confirm the baryon enhancement in new Color Reconnection (newCR), whereas the Rope model confirms the baryon enhancement only with strange quark content. Experimental confirmation of such results will provide more insight into the soft physics in the transverse region, which will be useful to investigate various tunes based on hadronization and color reconnection schemes.



中文翻译:

潜在事件中具有相对横向多重活动的奇异和多奇异强子产生的演化

在这项工作中,相对底层事件(UE)横向多重性活动分类器(\(R_ \ mathrm {{T}} \))用于研究质子-质子碰撞中奇怪且多奇怪的强子产生。我们对\(R_ \ mathrm {{T}} \)的研究将使这些粒子脱离纠缠,这些粒子源自软和硬QCD过程。我们将PYTHIA 8 Monte-Carlo(MC)与颜色重新连接和绳索强子化模型的不同实现方式一起使用,以证明\(\ sqrt {s}〜\) = 13 TeV时的质子-质子碰撞数据。在低横向活动区域和高横向活动区域中,广泛讨论了奇异强子强子的相对产生。在此贡献中,相对奇怪的强子产量随着增加而增加\(R_ \ mathrm {{T}} \)。与介子相比,这种增强对于奇异的重子是重要的。此外,作为\(R_ \ mathrm {{T}}〜\)的函数的粒子比率可以确认新的“颜色重新连接”(newCR)中的重子增强,而“绳索”模型仅在具有奇怪的夸克含量的情况下确认了重子增强。对这些结果的实验​​确认将为横向区域的软物理学提供更多的见识,这将有助于研究基于强子化和颜色重新连接方案的各种曲调。

更新日期:2020-10-06
down
wechat
bug