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Search for a common baryon source in high-multiplicity pp collisions at the LHC

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dc.contributor.authorAcharya, S.
dc.contributor.authorAdamova, D.
dc.contributor.authorAdler, A.
dc.contributor.authorAdolfsson, J.
dc.contributor.authorBelyaev, V.
dc.contributor.authorBogdanov, A. A.
dc.contributor.authorBolozdynya, A.
dc.contributor.authorBorissov, A.
dc.contributor.authorGrigoriev, V.
dc.contributor.authorKaplin, V.
dc.contributor.authorKondratyeva, N.
dc.contributor.authorLoginov, V.
dc.contributor.authorMelikyan, Y.
dc.contributor.authorSamsonov, V.
dc.contributor.authorSelyuzhenkov, I.
dc.contributor.authorБеляев, Владимир Никитич
dc.contributor.authorБогданов, Алексей Александрович
dc.contributor.authorБолоздыня, Александр Иванович
dc.contributor.authorГригорьев, Владислав Анатольевич
dc.contributor.authorКондратьева, Наталья Викторовна
dc.contributor.authorЛогинов, Виталий Александрович
dc.date.accessioned2024-11-27T09:06:48Z
dc.date.available2024-11-27T09:06:48Z
dc.date.issued2020
dc.description.abstract© 2020 CERN for the benefit of the ALICE CollaborationWe report on the measurement of the size of the particle-emitting source from two-baryon correlations with ALICE in high-multiplicity pp collisions at s=13 TeV. The source radius is studied with low relative momentum p–p, p‾–p‾, p–Λ, and p‾–Λ‾ pairs as a function of the pair transverse mass mT considering for the first time in a quantitative way the effect of strong resonance decays. After correcting for this effect, the radii extracted for pairs of different particle species agree. This indicates that protons, antiprotons, Λ s, and Λ‾ s originate from the same source. Within the measured mT range (1.1–2.2) GeV/c2the invariant radius of this common source varies between 1.3 and 0.85 fm. These results provide a precise reference for studies of the strong hadron–hadron interactions and for the investigation of collective properties in small colliding systems.
dc.identifier.citationSearch for a common baryon source in high-multiplicity pp collisions at the LHC / Acharya, S. [et al.] // Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - 2020. - 811. - 10.1016/j.physletb.2020.135849
dc.identifier.doi10.1016/j.physletb.2020.135849
dc.identifier.urihttps://www.doi.org/10.1016/j.physletb.2020.135849
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dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22502
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.titleSearch for a common baryon source in high-multiplicity pp collisions at the LHC
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume811
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