Meson transition form factors from a QCD model field theory
نویسندگان
چکیده
منابع مشابه
Point-Form Quantum Field Theory and Meson Form Factors
Recently we have reconsidered the quantization of relativistic field theories on a Lorentz-invariant surface of the form xμx μ = τ [1]. With this choice of the quantization surface all components of the 4-momentum operator become interaction dependent, whereas the generators of Lorentz transformations stay free of interactions – a feature characteristic for Dirac’s “point form” of relativistic ...
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We summarize recent progress in soft QCD modeling based on the set of Dyson– Schwinger equations truncated to ladder-rainbow level. We pay particular attention to electromagnetic elastic and transition form factors of the pion. This covariant approach accommodates quark confinement and implements the QCD one-loop renormalization group behavior. The dressed quark propagators are compared to the ...
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The photon-meson transition form factors of light pseudoscalar mesons π0, η, and η′ are systematically calculated in a light-cone framework, which is applicable as a light-cone quark model at low Q2 and is also physically in accordance with the light-cone pQCD approach at large Q2. The calculated results agree with the available experimental data at high energy scale. We also predict the low Q2...
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ژورنال
عنوان ژورنال: Progress in Particle and Nuclear Physics
سال: 1996
ISSN: 0146-6410
DOI: 10.1016/0146-6410(96)00013-0