EPJ Web Conf.
Volume 204, 2019XXIV International Baldin Seminar on High Energy Physics Problems “Relativistic Nuclear Physics and Quantum Chromodynamics” (Baldin ISHEPP XXIV)
|Number of page(s)||6|
|Section||Hadron Spectroscopy, Multiquarks|
|Published online||03 April 2019|
Reaction of two pion production pd → pdππ in the resonance region
1 Laboratory of Nuclear Problems, JINR, RU-141980 Dubna, Russia
2 Department of Physics, M.V. Lomonosov Moscow State University, RU 11991 Moscow, Russia
3 Dubna State University, RU-141980 Dubna, Russia
4 Institute of Nuclear Physics, Almaty, Kazakhstan
Published online: 3 April 2019
The ANKE@COSY data on the reaction of two-pion production in the GeV region are analyzed within the theoretical model by Platonova and Kukulin. The model includes excitation of the dibaryon resonance DIJ = D03(2380) with the spin J = 3 and isospin I = 0 observed by the WASA@COSY in the reaction pn → dπ0π0, and its decay D03 → D12 + π → d + π + π, where D12(2150) is another dibaryon resonance. Distributions on the invariant masses of the final dππ and ππ systems are calculated.
© The Authors, published by EDP Sciences, 2019
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