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We present a systematic study on the strange particle production at the Large Hadron Collider (LHC) in proton-proton (pp) collisions at $\sqrt{s}=$ 7 TeV based on PACIAE simulations. Two different mechanisms accounting for single string…

高能物理 - 唯象学 · 物理学 2018-10-02 Liang Zheng , Dai-Mei Zhou , Zhong-Bao Yin , Yu-Liang Yan , Gang Chen , Xu Cai , Ben-Hao Sa

We present a study of the single- and multi-strange particle productions in $p$Pb collisions at $\sqrt{s_{NN}} = 5.02$ TeV using the PACIAE 4.0 model. The effects of the color reconnection (CR), rope hadronization (RH) as well as the…

高能物理 - 唯象学 · 物理学 2025-09-17 Wei Lei , Qiang Wang , An-Ke Lei , Zhi-Lei She , Jia-Xin Gao , Dai-Mei Zhou , Yu-Liang Yan , Hua Zheng , Wen-Chao Zhang , Ben-Hao Sa

The idea that the reduction of the strange quark suppression in string fragmentation leads to the enhancement of strange particle yield in nucleus-nucleus collisions is applied to study the singly and multiply strange particle production in…

高能物理 - 唯象学 · 物理学 2009-10-31 Sa Ben-Hao , Wang Xiao-Rong , Tai An , Zhou Dai-Cui , Cai Xu

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

One of the key results of the LHC Run 1 was the observation of an enhanced production of strange particles in high multiplicity pp and p--Pb collisions at $\sqrt{s_\mathrm{NN}}$ = 7 and 5.02 TeV, respectively. The strangeness enhancement is…

高能物理 - 实验 · 物理学 2019-02-20 Ajay Kumar Dash

We present ALICE results on strange and multi-strange hadron production as a function of centrality in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV at the LHC. Their transverse momentum spectra, yields and particle ratios are…

核实验 · 物理学 2019-08-13 Zhongbao Yin

The multi-strange baryon yields in Pb--Pb collisions have been shown to exhibit an enhancement relative to pp reactions. In this work, $\Xi$ and $\Omega$ production rates have been measured with the ALICE experiment as a function of…

核实验 · 物理学 2016-01-13 ALICE Collaboration

String Fusion Model Code results for Pb--Pb central collisions at SPS energies including the string fusion interaction mechanism are compared to the last experimental data. Predictions for RHIC energies are also presented. On the other…

高能物理 - 唯象学 · 物理学 2008-11-26 E. G. Ferreiro , C. Pajares

The angular correlations between charged $\Xi$ baryons and associated identified hadrons (pions, kaons, protons, $\Lambda$ baryons, and $\Xi$ baryons) are measured in pp collisions at $\sqrt{s} = 13$ TeV with the ALICE detector to give…

高能物理 - 实验 · 物理学 2024-09-30 ALICE Collaboration

The production of charged multi-strange particles is studied with the ALICE experiment at the CERN LHC. Measurements of the central rapidity yields of $\Xi^-$ and $\Omega^-$ baryons, as well as their antiparticles, are presented as a…

高能物理 - 实验 · 物理学 2019-08-13 D. D. Chinellato

Measurements at LHC show an increased production of strange hadrons with charged multiplicity in pp collisions, which is not described by the Lund String Model (with the Monash tune) implemented in PYTHIA. This work investigates string…

高能物理 - 唯象学 · 物理学 2026-05-01 Javira Altmann , Lorenzo Bernardinis , Peter Skands , Valentina Zaccolo

The effects of string fusion on the correlations in strange particles production in proton-proton collisions at high energy are studied in the framework of a Monte Carlo string-parton model. The model is based on the strings formation in…

高能物理 - 唯象学 · 物理学 2016-01-26 Vladimir Kovalenko , Vladimir Vechernin

Data on mean numbers of $\Lambda$, $\bar\Lambda$, K's and on the total number $<s\bar s>$ of pairs of strange valence quarks in final state hadrons in hadronic and nuclear collisions at CERN- SPS energies are studied as a function of the…

高能物理 - 唯象学 · 物理学 2011-09-13 Roman Lietava , Jan Pisut

We analyse the transverse momentum $p_{\mathrm{T}}$ spectra of strange particles \Kslxi produced in $\textsf{Pb+Pb}$ collision at $\sqrt{s_{NN}}= 2.76$ TeV, $\textsf{p+Pb}$ collision at $\sqrt{s_{NN}}= 5.02$ TeV, and $\textsf{p+p}$…

高能物理 - 唯象学 · 物理学 2019-01-29 Hayam Yassin , Eman R. Abo Elyazeed

The centrality dependence of strange ($K_S^0$, $\Lambda + \bar{\Lambda}$) and multi-strange ($\Xi^- + \bar{\Xi^+}$, $\Omega^- + \bar{\Omega}^+$) hadron production is measured by ALICE in the LHC lead-lead (Pb-Pb) collisions at a…

核实验 · 物理学 2025-11-14 ALICE Collaboration

Strange hadron production in pp collisions at $\sqrt{s}~=~7$ TeV is studied in jets and underlying events using the PYTHIA8 event generator. Matching strange hadrons to the jet area and the underlying event area is expected to help us…

高能物理 - 唯象学 · 物理学 2022-03-28 Pengyao Cui , Zhongbao Yin , Liang Zheng

The production of $\Xi^{-}$ and $\Omega^{-}$ baryons and their anti-particles in Pb-Pb and pp collisions at $\sqrt{s_{NN}}$ = 2.76 TeV has been measured by the ALICE collaboration. The transverse momentum spectra at mid-rapidity (|y| < 0.5)…

高能物理 - 实验 · 物理学 2019-08-21 Domenico Colella

The idea that effective string tension increases as a result of the hard gluon kinks on a string is applied to study the strange particle production in proton-nucleus and nucleus-nucleus collisions. It is found that the effective string…

核理论 · 物理学 2008-11-26 Tai An , Sa Ben-Hao

We study string fragmentation in high multiplicity proton-proton collisions in a model where the string tension fluctuates. These fluctuations produce exponential pion spectra which are fitted to the transverse momentum distributions of…

高能物理 - 唯象学 · 物理学 2020-06-30 H. J. Pirner , B. Z. Kopeliovich , K. Reygers

Multi-strange baryons are of particular interest in the understanding of particle production mechanisms, as their high strangeness content makes them susceptible to changes in the hadrochemistry of the colliding systems. In ALICE, these…

核实验 · 物理学 2019-08-13 Didier Alexandre
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