Distribution amplitudes and decay constants for(π,K,ρ,K*)mesons in the light-front quark model
نویسندگان
چکیده
منابع مشابه
light-front constituent quark model
The form factors of the πρ and πω radiative transitions are evaluated within a lightfront constituent quark model, using for the first time the eigenfunctions of a light-front mass operator reproducing the meson mass spectrum and including phenomenological Dirac and Pauli quark form factors in the one-body electromagnetic current operator. The sensitivity of the transition form factors both to ...
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Light-Front quark model spin wave functions are employed to calculate the three independent couplings gΣcΛcπ, fΛc1Σcπ and fΛc1Σcπ of S-wave to S-wave and P-wave to S-wave one-pion transitions. It is found that gΣcΛcπ = 6.81 MeV , fΛc1Σcπ = 1.16 and fΛc1Σcπ = 0.96 × 10−4 MeV. We also predict decay rates for specific strong transitions of charmed baryons. In the heavy quark limit, the spin and pa...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2007
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.75.034019