Universal behavior in excited heavy-light and light-light mesons
نویسندگان
چکیده
منابع مشابه
Universal Behavior in Excited Heavy - Light and Light - Light Mesons
A common pattern of large orbital and radial excitations in heavy-light and lightlight mesons is demonstrated. Within a general potential model the Regge slopes of the light degrees of freedom for these mesons are shown to be in the ratio of two. The possibility of \tower" degeneracy occurs only with pure scalar con nement.
متن کاملUniversal Behavior in Excited Heavy - Lightand Light - Light MesonsM
A common pattern of large orbital and radial excitations in heavy-light and light-light mesons is demonstrated. Within a general potential model the Regge slopes of the light degrees of freedom for these mesons are shown to be in the ratio of two. The possibility of \tower" degeneracy occurs only with pure scalar connnement.
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Orbitally excited heavy-light mesons are potentially important as tools for tagging the flavors and momenta of ground-state pseudoscalars detected through weak decays. We use heavy-quark symmetry supplemented by insights gleaned from potential models to estimate masses and widths of p-wave B, Bs, and Ds mesons. We generalize these results to higher excitations. PACS numbers: 14.40.Jz, 13.25.+m,...
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The formfactors of B1 → π and D1 → π transitions, where B1(D1) is the 1+ P-wave Q̄γνγ5q meson state, are calculated in the framework of the light cone QCD. Furthermore these formfactors are compared with the pole dominance model prediction using the values of the strong coupling constants gB1B∗π and gD1D∗π, and a good agreement between these two different descriptions is observed. PACS numbers: ...
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We calculate the electromagnetic (EM) form factors of the pseudoscalar mesons in the light-front framework. Specifically, these form factors are extracted from the relevant matrix elements directly, instead of choosing the Breit frame. The results show that the charge radius of the meson is related to both the first and second longitudinal momentum square derivatives of the momentum distributio...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 1997
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.55.5479