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Batyunya, B.V.; Boguslavskij, I.V.; Dashian, N.V.
Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of Neutron Physics1982
Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of Neutron Physics1982
AbstractAbstract
[en] The proton and antiproton diffractive dissociation in the reaction anti pp → anti ppπ+π- (2021 events) was separated by two methods: LPS-analysis (where LPS is longitudinal phase space) and rapidity gap method. The obtained value of the single diffractive dissociation cross section equals 0.41+-0.02 mb. The slope of the differential distribution dσ/dt' was estimated as b=11.5+-1.2 (GeV/c)-2 at t' < 0.12 (GeV/c)2. The production of two peaks at M approximately 1500 GeV and M approximately 1700 GeV was observed in the effective mass distributions of diffractive systems pπ+π- and anti pπ+π-. The experimental data were compared with the predictions of the OPER-model
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1982; 7 p; 14 refs.; 3 tabs. 6 figs.
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Report
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ANTIBARYONS, ANTIMATTER, ANTIMESONS, ANTINUCLEI, ANTINUCLEONS, ANTIPARTICLES, BARYON-BARYON INTERACTIONS, BARYONS, BOSONS, CATIONS, CHARGED PARTICLES, CROSS SECTIONS, ELEMENTARY PARTICLES, ENERGY RANGE, FERMIONS, GEV RANGE, HADRON-HADRON INTERACTIONS, HADRONS, HYDROGEN IONS, HYDROGEN IONS 1 PLUS, INTERACTIONS, IONS, MATHEMATICAL MODELS, MATHEMATICAL SPACE, MATTER, MESONS, NUCLEI, NUCLEONS, PARTICLE INTERACTIONS, PARTICLE MODELS, PERIPHERAL MODELS, PIONS, PSEUDOSCALAR ANTIMESONS, PSEUDOSCALAR MESONS, SPACE, SPECTRA
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