Mechanism of pion production in \alpha p scattering at 1 GeV/nucleonстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 5 сентября 2016 г.
Местоположение издательства:Road Town, United Kingdom
Первая страница:1067
Последняя страница:1076
Аннотация:ISSN: 0044-0027;
An analysis of the experimental data on one-pion and two-pion production in the p(\alpha , \alpha {'})X reaction studied in a semi-exclusive experiment at an energy of E_{\alpha}=4.2 GeV has been performed. The obtained results demonstrate that the inelastic \alpha -particle scattering on the proton at the energy of the experiment proceeds either through excitation and decay of the \Delta resonance in the projectile particle, or through excitation in the target proton of the Roper resonance, which decays into a nucleon and a pion, or a nucleon and a \sigma meson a system of two pions in the isospin I=0 , S-wave state.