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相关论文: PACIAE 2.1: An updated issue of the parton and had…

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We have updated the parton and hadron cascade model PACIAE for the relativistic nuclear collisions, from based on JETSET 6.4 and PYTHIA 5.7 to based on PYTHIA 6.4, and renamed as PACIAE 2.0. The main physics concerning the stages of the…

核理论 · 物理学 2015-05-27 Ben-Hao Sa , Dai-Mei Zhou , Yu-Liang Yan , Xiao-Mei Li , Sheng-Qin Feng , Bao-Guo Dong , Xu Cai

We introduce a parton and hadron cascade model PACIAE 3.0 based on PYTHIA 6.428 and the PACIAE 2.2 program series. The simulation framework of C-, B-, and A-loops are designed for the high energy ($\sqrt{s_{NN}}\geq 3$ GeV) and low energy…

高能物理 - 唯象学 · 物理学 2023-09-12 An-Ke Lei , Yu-Liang Yan , Dai-Mei Zhou , Zhi-Lei She , Liang Zheng , Gao-Chan Yong , Xiao-Mei Li , Gang Chen , Xu Cai , Ben-Hao Sa

Parton And-hadron China Institute of Atomic Energy (PACIAE) is a multipurpose Monte Carlo event generator developed to describe a wide range of high-energy collisions, including lepton-lepton, lepton-hadron, lepton-nucleus, hadron-hadron,…

The parton and hadron cascade model PACIAE 2.1 (cf. Comput. Phys. Commun.184 (2013) 1476) has been upgraded to the new issue of PACIAE 2.2. By this new issue the lepton-nucleon and lepton-nucleus (inclusive) deep inelastic scatterings can…

核理论 · 物理学 2016-05-04 Dai-Mei Zhou , Yu-Liang Yan , Xing-Long Li , Xiao-Mei Li , Bao-Guo Dong , Xu Cai , Ben-Hao Sa

The pseudorapidity density distributions of charged particles and the transverse momentum spectra of identified particles in proton-proton (pp) collisions at the center-of-mass energies ranging from $\sqrt{s}=200$ GeV to 13 TeV have been…

高能物理 - 唯象学 · 物理学 2025-07-17 Z. Xie , A. K. Lei , H. Zheng , W. C. Zhang , D. M. Zhou , Z. L. She , Y. L. Yan , B. H. Sa

The parton and hadron cascade model PACIAE based on PYTHIA was used to investigate the charged particle elliptic flow in minimum bias pp collisions at the LHC energies. The strings were distributed randomly in the transverse ellipsoid of…

核理论 · 物理学 2015-05-20 Dai-Mei Zhou , Yu-Liang Yan , Bao-Guo Dong , Xiao-Mei Li , Du-Juan Wang , Xu Cai , Ben-Hao Sa

The parton and hadron cascade model PACIAE based on PYTHIA was utilized to systematically investigate the strange particle production in pp collisions at the RHIC and LHC energies. Taking the mechanism of reduction of the strange quark…

高能物理 - 唯象学 · 物理学 2012-02-13 Hai-Yan Long , Sheng-Qin Feng , Dai-Mei Zhou , Yu-Liang Yan , Hai-Liang Ma , Ben-Hao Sa

Hadron and string cascade model (JPCIAE) with the hypothesis without introducing the quark-gluon plasma (QGP), is employed to study the direct photon and $\pi^0$ transverse momentum distributions for central $^{208}$Pb+$^{208}$Pb collisions…

高能物理 - 唯象学 · 物理学 2007-05-23 Zhiyi Liu , Benhao Sa , Shuhua Zhou

The parton and hadron cascade model PACIAE is used to simulate the 0-6, 15-25, and 35-45 % most central Au+Au collisions at \sqrt{s_{NN}}=19.6, 62.4, 130, and 200 GeV and the 0-10 % most central Pb+Pb collisions at \sqrt{s_{NN}}=5500 GeV.…

核理论 · 物理学 2009-02-09 Ben-Hao Sa , Dai-Mei Zhou , Bao-Guo Dong , Yu-Liang Yan , Hai-Liang Ma , Xiao-Mei Li

PACIAE, a parton and hadron cascade model, is utilized to systematically investigate strange particle production and strangeness enhancement in Au+Au collision and in Pb+Pb collision with the 200GeV at RHIC and 2.76TeV at LHC, respectively.…

高能物理 - 唯象学 · 物理学 2015-06-16 Xiao-Wen Ren , Sheng-Qin Feng , Xian-Bao Yuan

The parton rescattering effect on the charged particle production in ultra-relativistic p+p collisions is studied by the parton and hadron cascade model, PACIAE, based on PYTHIA. We have calculated charged particle pseudorapidity density…

核理论 · 物理学 2014-11-20 Yu-Liang Yan , Bao-Guo Dong , Dai-Mei Zhou , Xiao-Mei Li , Hai-Liang Ma , Ben-Hao Sa

We employed the new issue of a parton and hadron cascade model PACIAE 2.1 to systematically investigate the charged particle elliptic flow parameter $v_2$ in the relativistic nuclear collisions at RHIC and LHC energies. With randomly…

核理论 · 物理学 2015-06-16 Ben-Hao Sa , Dai-Mei Zhou , Yu-Liang Yan , Yun Cheng , Bao-Guo Dong , Xu Cai

In PYTHIA6 (PYTHIA8) once the transverse momentum $p_T$ of a generated particle is randomly sampled, $p_x$ and $p_y$ are set on the circle with radius of $p_T$ randomly. This may largely suppress the development of the final hadronic state…

核理论 · 物理学 2013-04-17 Yu-Liang Yan , Dai-Mei Zhou , Ayut Limphirat , Bao-Guo Dong , Yu-Peng Yan , Ben-Hao Sa

The parton and hadron cascade model PACIAE is used to investigate strange particle production in Au + Au collisions at GeV in different centralities and at 39, 11.5 and 7.7 GeV in the most central collision, respectively. It is shown that…

高能物理 - 唯象学 · 物理学 2016-03-29 Cong-Cong Zhang , Xian-Bao Yuan , Sheng-Qin Feng , Zhong-Bao Yin

We present recent developments in PYTHIA for the modelling of hadronic cascades in a medium. Several improvements have been made in the Angantyr model for collisions with nuclei, especially in the limit of low collision energies, allowing…

高能物理 - 唯象学 · 物理学 2025-12-16 Leif Lönnblad , Torbjörn Sjöstrand

In this work, we propose a method to show the correspondence between hadron and its quark component nuclear modification factors. A parton and hadron cascade model PACIAE based on the PYTHIA6.4 is employed to calculate the hadron and its…

In this work we investigate the $J/\psi$ production in proton-proton collisions at the center-of-mass energy ($\sqrt{s}$) equal to 2.76, 5.02, 7, 8 and 13 TeV with a parton and hadron cascade model PACIAE 2.2a. It is based on PYTHIA but…

高能物理 - 唯象学 · 物理学 2025-10-15 Kai-Fan Ye , Qiang Wang , Jia-Hao Shi , Zhi-Ying Qin , Wen-Chao Zhang , An-Ke Lei , Zhi-Lei She , Yu-Liang Yan , Ben-Hao Sa

A parton-hadron cascade model which is the extension of hadronic cascade model incorporating hard partonic scattering based on HIJING is presented to describe the space-time evolution of parton/hadron system produced by ultra-relativistic…

核理论 · 物理学 2009-10-31 Yasushi Nara

We employed the PYTHIA 6.4 model and the extended parton and hadron cascade model PACIAE 2.2 to comparatively investigate the DIS normalized specific charged hadron multiplicity in the 27.6 GeV electron semi-inclusive deep-inelastic…

核理论 · 物理学 2015-12-29 Yu-Liang Yan , Xing-Long Li , Xiao-Mei Li , Dai-Mei Zhou , Yun Cheng , Bao-Guo Dong , Xu Cai , Ben-Hao Sa

The parton rescattering effect on the charged hadron forward-backward multiplicity correlation in $pp$ collisions at $\sqrt s$=200 GeV is studied by a parton and hadron cascade model, PACIAE, based on the PYTHIA model. The calculated…

核理论 · 物理学 2009-12-16 Yu-Liang Yan , Bao-Guo Dong , Dai-Mei Zhou , Xiao-Mei Li , Hai-Liang Ma , Ben-Hao Sa
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