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 SM ISO690:2012ABRAAMYAN, Kh., ANISIMOV, Alexander, BAZNAT, Mircea, GUDIMA, Konstantin K., KOZHIN, Mikhail, KUKULIN, Vladimir, NAZARENKO, Maxim, REZNIKOV, Sergey, SORIN, Alexander S.. Photon and π 0 pairs production in proton-nucleus and deuteron-nucleus interactions. Results of experiments on internal beams of the Nuclotron. In: EPJ Web of Conferences, 19-24 septembrie 2016, Dubna. Les Ulis, Franța: EDP Sciences, 2017, Ediția a 23-a, Vol.138, pp. 1-6. ISSN 21016275. DOI: https://doi.org/10.1051/epjconf/201713804006 |
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 EPJ Web of Conferences Ediția a 23-a, Vol.138, 2017 |
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Conferința "23rd International Baldin Seminar on High Energy Physics Problems Relativistic Nuclear Physics and Quantum Chromodynamics" Dubna, Rusia, 19-24 septembrie 2016 | ||||||
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| DOI:https://doi.org/10.1051/epjconf/201713804006 | ||||||
| Pag. 1-6 | ||||||
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The results of experiments on photon and π0 pairs production in interactions of 5.5 GeV/c protons, 2.75 and 3.83 GeV/c per nucleon deuterons with carbon and copper nuclei are presented. As previously reported (see. [1] and references therein), along with π0 and η mesons, a resonance structure in the invariant mass spectrum of two photons at Mγγ = 360 ± 7 ± 9 MeV is observed in the reaction dC → γ + γ + X at momentum 2.75 GeV/c per nucleon. Here are some results of testing the signal and results of statistical analysis of the experimental data which allow to explain the lack of appearance of the signal in other experiments [2, 3] and make predictions for possible appearances of the signal in upcoming experiments. |
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| Cuvinte-cheie Quark Models, Mesons, Baryon Resonance |
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