A model to explain the angular distribution of and decay into and. (February 2019)

• Record Type: Journal Article
• Authors: Alekseev, M.; Amoroso, A.; Baldini Ferroli, R.; Balossino, I.; Bertani, M.; Bettoni, D.; Bianchi, F.; Chai, J.; Cibinetto, G.; Cossio, F.; De Mori, F.; Destefanis, M.; Farinelli, R.; Fava, L.; Felici, G.; Garzia, I.; Greco, M.; Lavezzi, L.; Leng, C.; Maggiora, M.; Mangoni, A.; Marcello, S.; Mezzadri, G.; Pacetti, S.; Patteri, P.; Rivetti, A.; Da Rocha Rolo, M.; Savrié, M.; Sosio, S.; Spataro, S.; Yan, L.;
• Is Part Of: Chinese physics C. Volume 43:Number 2(2019:Feb.)
• Publication Date: 2019-02
• Subjects: J/ψ and ψ(2S) hadronic decays -- effective Lagrangian model -- polarization parameters; 12.38.Aw -- 13.25.Gv; Particles (Nuclear physics) -- Periodicals; Nuclear physics -- Periodicals; 539.76
• DOI: 10.1088/1674-1137/43/2/023103
• Languages: English
• ISSNs: 1674-1137

Abstract

Abstract: BESIII data show a particular angular distribution for the decay of and mesons into and hyperons: the angular distribution of the decay exhibits an opposite trend with respect to the other three channels:, and . We define a model to explain the origin of this phenomenon.