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The enhancement of strange particle production observed in nucleus-nucleus collisions at CERN is explained by the combined effect of the increase in the relative number of strings containing strange constitutents at the ends, and the final…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Capella

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…

High Energy Physics - Phenomenology · Physics 2009-10-31 Sa Ben-Hao , Wang Xiao-Rong , Tai An , Zhou Dai-Cui , Cai Xu

It has been observed that the yields of strange and multi-strange hadrons relative to pion increase significantly with the event charged-particle multiplicity. We notice from experimental data that yield ratios between non-strange hadrons,…

High Energy Physics - Phenomenology · Physics 2020-07-23 Sarita Sahoo , Rama Chandra Baral , Pradip Kumar Sahu , Mina Ketan Parida

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…

Nuclear Theory · Physics 2008-11-26 Tai An , Sa Ben-Hao

The canonical statistical model analysis of strange and multistrange hadron production in central A-A relative to p-p/p-A collisions is presented over the energy range from $\sqrt s=8.73$ GeV up to $\sqrt s =130$ GeV. It is shown that the…

High Energy Physics - Phenomenology · Physics 2011-07-19 K. Redlich , A. Tounsi

We review the progress in understanding the strange particle yields in nuclear collisions and their role in signalling quark-gluon plasma formation. We report on new insights into the formation mechanisms of strange particles during…

Nuclear Theory · Physics 2016-11-03 Josef Sollfrank , Ulrich Heinz

Strange hadron production in pp collisions at $\sqrt{s}= 7$ TeV is studied with PYTHIA 8 and EPOS event generators via the two-particle correlation method. After pairing charged particles as trigger particles with associated strange hadrons…

High Energy Physics - Phenomenology · Physics 2022-11-15 M. N. Anaam , Liang Zheng , H. M. Alfanda , Zhongbao Yin

An extension of the rope hadronization model, which has previously provided good descriptions of hadrochemistry in high multiplicity pp collisions, is presented. The extension includes a dynamically generated transverse pressure, produced…

High Energy Physics - Phenomenology · Physics 2016-12-16 Christian Bierlich , Gösta Gustafson , Leif Lönnblad

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…

High Energy Physics - Phenomenology · Physics 2020-06-30 H. J. Pirner , B. Z. Kopeliovich , K. Reygers

We discuss strangeness production in heavy-ion collisions in the broad energy range --- from SIS energies through AGS-SPS-RHIC and upto LHC energies. On several examples we demonstrate how the strange particle production can reveal…

Nuclear Theory · Physics 2015-02-20 E. E. Kolomeitsev , I. Melo , B. Tomasik , D. N. Voskresensky

Strangeness enhancement in heavy-ion collisions is studied at the parton level by examining the partition of the new sea quarks generated by gluon conversion into the strange and non-strange sectors. The CTEQ parton distribution functions…

Nuclear Theory · Physics 2009-11-07 Rudolph C. Hwa , C. B. Yang

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…

High Energy Physics - Phenomenology · Physics 2018-10-02 Liang Zheng , Dai-Mei Zhou , Zhong-Bao Yin , Yu-Liang Yan , Gang Chen , Xu Cai , Ben-Hao Sa

Jet-induced medium excitation is a crucial part of jet interactions with the quark-gluon plasma (QGP) in relativistic heavy-ion collisions, and has recently been confirmed by experiment for the first time. Based on the AMPT model…

Nuclear Theory · Physics 2024-12-30 Ao Luo , Shanshan Cao , Guang-You Qin

The study delves into the production of (multi-)strange hadrons in proton-proton collisions at LHC. Novel observables are proposed to distinguish between EPOS4, based on core-corona separation between a thermalised QGP phase and a vacuum…

High Energy Physics - Phenomenology · Physics 2024-10-07 Christian Bierlich , Stefano Cannito , Valentina Zaccolo

We study the hadron production in $p+p$, $p+n$ and $n+n$ reactions within the microscopic Parton-Hadron-Dynamics (PHSD) transport approach in comparison to PYTHIA 8.2. We discuss the details of the "PHSD tune" of the Lund string model…

High Energy Physics - Phenomenology · Physics 2020-08-26 V. Kireyeu , I. Grishmanovskii , V. Kolesnikov , V. Voronyuk , E. Bratkovskaya

This dissertation presents a theoretical study of soft hadron production in relativistic heavy-ion collisions. We explore the principles governing the hadronization of the expanding QGP fireball, and to understand its properties. Much of…

High Energy Physics - Phenomenology · Physics 2013-11-26 Michal Petran

We propose a further development of a multi-pomeron exchange model of pp and p$\bar p$ collisions at high energy. The model describes consistently multiplicity, transverse momentum of charged particles and their correlation in wide energy…

High Energy Physics - Phenomenology · Physics 2017-10-25 G. Feofilov , V. Kovalenko , A. Puchkov

It has been proposed to search for thermal and collective properties arising from parton-fragmentation processes by examining high jet charged-constituent multiplicities ($N_{\rm j,ch}$) in proton-proton (pp) collisions. This proposal was…

High Energy Physics - Phenomenology · Physics 2025-08-27 Robert Vertesi , Antonio Ortiz

The striking resemblance of high multiplicity proton-proton (pp) collisions at the LHC to heavy ion collisions challenges our conventional wisdom on the formation of the Quark-Gluon Plasma (QGP). A consistent explanation of the collectivity…

High Energy Physics - Phenomenology · Physics 2021-08-30 Liang Zheng , Guang-Hui Zhang , Yun-Fan Liu , Zi-Wei Lin , Qi-Ye Shou , Zhong-Bao Yin

We consider the phenomenological implications of the assumption that baryons are systems of three quarks connected through gluon string junction. The transfer of baryon number in rapidity space due to the string junction propagation is…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. H. Arakelyan , C. Merino , C. Pajares , Yu. M. Shabelski