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Resonant behavior of the pp → {pp} s π 0 reaction at the energy s = 2.65 GeV

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dc.contributor.author Tsirkov, Dmitry
dc.contributor.author Baimurzinova, B.
dc.contributor.author Komarov, V.I.
dc.contributor.author Kulikov, A.V.
dc.date.accessioned 2025-01-08T09:53:19Z
dc.date.available 2025-01-08T09:53:19Z
dc.date.issued 2023
dc.identifier.issn 2331-8422
dc.identifier.other DOI:10.1103/PhysRevC.107.015202
dc.identifier.uri http://rep.enu.kz/handle/enu/20720
dc.description.abstract We report on measurements of the differential cross section dσ/dΩ in the energy region of s=2.5–2.9GeV of the reaction pp→{pp}sπ0, where {pp}s is a S01 proton pair. The experiment has been performed with the ANKE spectrometer at COSY-Jülich. The data reveal a peak in the energy dependence of the forward {pp}s differential cross section at the energy s=2.65GeV with the width Γ=0.26GeV, and also the cross section slope changes its sign in the region of the observed peak. This is an indication for the excitation of a new D(2650) resonant state, that may be a dibaryon resonance system consisting of two excited baryons Δ(1232) and N*(1440). ru
dc.language.iso en ru
dc.publisher arXiv ru
dc.title Resonant behavior of the pp → {pp} s π 0 reaction at the energy s = 2.65 GeV ru
dc.type Article ru


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