Multiplicity dependence of charged particle, φ meson, and multi-strange particle productions in p plus p collisions at √s=200 GeV from PYTHIA simulation

被引：0

作者：

Zhang, Sheng-Hui ^{[1
]}

Zhou, Long ^{[1
]}

Zhang, Yi-Fei ^{[1
]}

Zhang, Ming-Wei ^{[1
]}

Li, Cheng ^{[1
]}

Shao, Ming ^{[1
]}

Sun, Yong-Jie ^{[1
]}

Tang, Ze-Bo ^{[1
]}

机构：

[1] Univ Sci & Technol China, Hefei 230026, Peoples R China

来源：

NUCLEAR SCIENCE AND TECHNIQUES | 2018年 / 29卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Particle production; Heavy-ion collisions; Small system; Multiple parton interactions; Gluon contributions; TRANSVERSE-MOMENTUM; RAPIDITY; TEV;

D O I：

10.1007/s41365-018-0469-y

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

We report the multiplicity dependence of charged particle production for the pi(+/-), K-+/-, p, (p) over bar, and phi mesons at vertical bar y vertical bar <1.0 in p + p collisions at root s = 200 GeV from a PYTHIA simulation. The impact of multiple parton interactions and gluon contributions is studied and found to be a possible source of the splitting of the particle yields as a function of p(T) with respect to the multiplicity. No obvious particle species dependence of the splitting is observed. The multiplicity dependence of the ratios K-/pi(-), K+/pi(+), (p) over bar/pi(-), p/pi(+), and K-s(0), at mid-rapidity in p + p collisions is found to follow a tendency similar to that in Au + Au collisions at root s(NN) = 200 GeV at the Relativistic Heavy Ion Collider, indicating similar underlying initial production mechanisms despite the differences in the initial colliding systems.

引用

页数：6

共 18 条

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