RESONANCES IN THE ISOVECTOR P WAVE OF pi pi SCATTERING

0366178 - ÚJF 2012 RIV SG eng J - Článek v odborném periodiku
Bydžovský, Petr - Surovtsev, Yu .S. - Kaminski, R. - Nagy, M.
RESONANCES IN THE ISOVECTOR P WAVE OF pi pi SCATTERING.
International Journal of Modern Physics. A. Roč. 26, 3-4 (2011), s. 634-635. ISSN 0217-751X. E-ISSN 1793-656X.
[11th International Workshop on Meson Production, Properties and Interaction. Krakow, 10.06.2010-15.06.2010]
Grant CEP: GA ČR GA202/08/0984
Výzkumný záměr: CEZ:AV0Z10480505
Klíčová slova: Pion-pion scattering * mesonic resonances * multichannel analysis
Kód oboru RIV: BG - Jaderná, atomová a mol. fyzika, urychlovače
Impakt faktor: 1.053, rok: 2011

Parameters of rho-like resonances are obtained in the multichannel analysis of the pi pi-scattering data below 1.9 GeV and a possible classification of the resonance states is discussed. In the 3-channel analysis, we confirmed the existence of the rho(1250) meson and showed that the simultaneous existence of the rho(1450) and rho(1250) mesons does not contradict the data. The analysis indicates an importance of presence of some effective channel with the threshold at 1512 MeV, which might be interpreted as the rho sigma channel.
Trvalý link: http://hdl.handle.net/11104/0201249