{"title":"Possible Studies of Two-Particle Transverse Momentum Correlations in Proton–Proton and Deuteron–Deuteron Interactions at NICA Energies","authors":"A. Galoyan, A. Ribon, V. Uzhinsky","doi":"10.1134/S1062873824708250","DOIUrl":null,"url":null,"abstract":"<p>Two-particle transverse momentum (<i>P</i><sub>T</sub>) correlations are investigated for proton–proton and deuteron–deuteron interactions at the center-of-mass energy of <i>NN</i> collisions of 10 GeV. The correlations between Λ<i>-</i>hyperons and anti-Λ<i>-</i>hyperons, <i>K</i>-, π<i>-</i>mesons and protons are calculated using the Geant4 FTF and Pythia 6.4 models. It is shown that <i>P</i><sub>T</sub> correlations between Λ<i>-</i>hyperons and strange particles in proton-proton interactions are stronger in the FTF model than in the Pythia model. Two-particle <i>P</i><sub>T</sub> correlations can be studied at the NICA SPD experiment. Studies of two-particle correlations can help clarify the mechanism of quark–gluon string fragmentation.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"88 11","pages":"1782 - 1788"},"PeriodicalIF":0.4800,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of the Russian Academy of Sciences: Physics","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1134/S1062873824708250","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Physics and Astronomy","Score":null,"Total":0}
引用次数: 0
Abstract
Two-particle transverse momentum (PT) correlations are investigated for proton–proton and deuteron–deuteron interactions at the center-of-mass energy of NN collisions of 10 GeV. The correlations between Λ-hyperons and anti-Λ-hyperons, K-, π-mesons and protons are calculated using the Geant4 FTF and Pythia 6.4 models. It is shown that PT correlations between Λ-hyperons and strange particles in proton-proton interactions are stronger in the FTF model than in the Pythia model. Two-particle PT correlations can be studied at the NICA SPD experiment. Studies of two-particle correlations can help clarify the mechanism of quark–gluon string fragmentation.
期刊介绍：
Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.
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