Study of K*(892)0 and φ(1020)0 meson production in p - p, p - Pb and Pb - Pb collisions at LHC Energies

被引：0

作者：

Khan, Alamgir ^{[1
]}

Shafaq, Saba ^{[1
]}

Khurshid, Taimoor ^{[1
]}

Ali, Yasir ^{[2
]}

Ul Abidin, Zain ^{[2
]}

机构：

[1] Int Islamic Univ Islamabad, Dept Phys, Islamabad, Pakistan

[2] COMSATS Univ Islamabad, Dept Phys, Islamabad, Pakistan

来源：

EUROPEAN PHYSICAL JOURNAL PLUS | 2023年 / 138卷 / 03期

关键词：

CHALLENGES; MATTER; MODEL;

D O I：

10.1140/epjp/s13360-023-03870-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, we investigated the production of K-*(892)(0) and phi(1020)(0) meson yields in pp and Pb - Pb collisions at root sNN = 2.76 TeV in the rapidity range of vertical bar y vertical bar< 0.5. In addition to this, we also examined K-*(892)(0) and phi(1020)(0) meson production in p - Pb collisions at root sNN = 5.02 TeV in the rapidity range of -0.5 < vertical bar y vertical bar< 0. The K-*(892)(0) and phi(1020)(0) meson yields are studied as a function of pT. The ratio and the Nuclear Modification factor of particles yields are also analyzed in this paper. The PYTHIA8, EPOS-LHC and EPOS-1.99 are the event generators used for simulations. The aim of using these event generators is to check for their validity for strange particles production at various LHC energies. We also used PYTHIA8 CR Mode2 to see its result in comparison with PYTHIA8 default model. Transverse momentum pT ranges for K-*(892)(0) and phi(1020)(0) mesons production in pp collisions are 0 < pT < 14 GeVc(-1) and 0 < pT < 20 GeVc(-1), respectively. Similarly for K-*(892)(0) and 4)(1020)(0) meson analysis in heavy-ion Pb - Pb collisions at root sNN =2.76 TeV in pT range of 0 < pT < 20 GeVc(-1) is considered for both mesons and likewise in the p - Pb collisions at root sNN =5.02 TeV distributions were plotted for K*(892)(0) and 4)(1020)(0) in the pT values of 0 < pT < 16 GeVc(-1) and 0 < pT < 14 GeVc(-1). PYTHIA8 default model gave higher predictions for all kinds of interactions of system. But for K*(1020)(0) meson in Pb - Pb collisions, PYTHIA8 CR Mode2 described the ALICE data very well. However, EPOS-LHC and EPOS-1.99 did not give good results as compared to the PYTHIA8 default model. It seems that all of the Monte Carlo simulation codes provided very good predictions for the particle ratios. In case of R-AA, the EPOS-LHC model gave good prediction for K-*(892)(0) while for phi(1020)(0) meson the PYTHIA8 CR Mode2 provided higher prediction very close to the ALICE data.

引用

页数：8

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