Model studies of V0 production ratios in pp collisions at vs=0.2, 0.9, and 7 TeV

被引：0
|
作者：
Ajaz, M. [1 ]
Ashraf, M. U. [2 ]
Waqas, M. [3 ]
Yasin, Z. [4 ]
Khubrani, A. M. [5 ]
Hassan, S. [4 ]
Haj Ismail, A. [6 ,7 ]
Li, L. L. [8 ]
机构：
[1] Abdul Wali Khan Univ Mardan, Dept Phys, Mardan 23200, Pakistan
[2] Natl Ctr Phys, Shahdra Valley Rd, Islamabad 44000, Pakistan
[3] Hubei Univ Automot Technol, Sch Math Phys & Optoelect Engn, Shiyan 442002, Peoples R China
[4] Pakistan Inst Nucl Sci & Technol PINSTECH, Islamabad 44000, Pakistan
[5] Jazan Univ, Fac Sci, Dept Phys, Jazan 45142, Saudi Arabia
[6] Ajman Univ, Coll Humanities & Sci, 346, Ajman, U Arab Emirates
[7] Ajman Univ, Nonlinear Dynam Res Ctr NDRC, 346, Ajman, U Arab Emirates
[8] Shanxi Agr Univ, Dept Basic Sci, Jinzhong 030801, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL PLUS | 2023年 / 138卷 / 01期
关键词：
FREEZE-OUT PARAMETERS; AU-AU COLLISIONS; TRANSVERSE-MOMENTUM; PARTICLE-PRODUCTION; HADRON SPECTRA; PROTON; DISTRIBUTIONS; PARTON; EVENT; P+P;
D O I：
10.1140/epjp/s13360-022-03603-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This paper has compared V-0 ratios between HIJING, Sibyll, and QGSJET model-based event generators. The ratios under study are (SIC)/lambda, (SIC)/K-S(0) and Xi-/lambda as a function of rapidity y, rapidity loss (Ay) and p(T) from pp collisions at root s = 0.2, 0.9, and 7 TeV and these simulations are then compared with the STAR and LHCb fiducial phase spaces in different p(T) regions. Although the models could produce some ratios in a limited p(T) or y region, none completely predicts the experimental results. The QGSJET has good predictions with the data in most cases, but since the model does not include Xi particle definition, it does not give any predictions for Xi/A ratios. The extrapolation to the highest possible energies can be studied by re-tuning some basic parameters based on current and previous measurements. These kinds of systematic comparison studies are also helpful in applying certain constraints on the pQCD and non-pQCD-based hadronic event generators to significantly improve the predictions of Standard Model physics at the RHIC and LHC experimental data for the understanding of underlying physics mechanisms in high energy collisions.
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页数：11
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