Search for d' in pion inclusive spectra from pp-interactions - The European Physical Journal A

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ID: 269601
1970
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Abstract
We report on our measurement of the inclusive spectrum of positive pions from the reaction pp→π++X on a CH 2 internal target of the ITEP proton synchrotron at 1.5 GeV/c with a missing mass resolution of about 1 MeV/c2. The goal of our experiment was the search for the hypothetical narrow πNN resonance (0.5\ MeV/c2 width and a mass of 2.06\ GeV/c2) with I(J P P)=even(0−), called d′. We do not see any statistically significant d′-signal. The upper limit for d′ production cross-section in pp-interactions is near 2μb at 84%C.L.
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Authors Abramov, B.M.;Bulychjov, S.A.;Khanov, A.I.;Krestnikov, Y.S.;Krutenkova, A.P.;Kulikov, V.V.;Matsyuk, M.A.;Radkevich, I.A.;Sutormin, A.I.;Turdakina, E.N.;Abramov, B.M.;Bulychjov, S.A.;Khanov, A.I.;Krestnikov, Y.S.;Krutenkova, A.P.;Kulikov, V.V.;Matsyuk, M.A.;Radkevich, I.A.;Sutormin, A.I.;Turdakina, E.N.;
Journal The European Physical Journal A - Hadrons and Nuclei
Year 1970
DOI
doi:10.1007/s100500050038
URL
https://doi.org/10.1007/s100500050038
Keywords
nuclear fusion nuclear physics heavy ions hadrons particle and nuclear physics

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