Decay rates f1(1285)→ρ0π+π− and a1(1260)→ωπ+π− in the Nambu–Jona-Lasinio model
نویسندگان
چکیده
منابع مشابه
η → π 0 γγ decay in the three - flavor Nambu – Jona - Lasinio model
We study the η → π 0 γγ decay via the quark-box diagram in the three-flavor Nambu–Jona-Lasinio model that includes the U A (1) breaking effect. We find that the η-meson mass, the η → γγ decay width and the η → π 0 γγ decay width are in good agreement with the experimental values when the U A (1) breaking is strong and the flavor SU (3) singlet-octet mixing angle θ is about zero. The photon ener...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2018
ISSN: 2470-0010,2470-0029
DOI: 10.1103/physrevd.98.014037