Electroweak properties of the $π$, $K$ and $K^*(892)$ in the three forms of relativistic kinematics

dc.creatorHe, Jun
dc.creatorJulia-Diaz, B.
dc.creatorDong, Yu-bing
dc.date2005-03-31
dc.date.accessioned2026-07-07T10:44:17Z
dc.date.available2026-07-07T10:44:17Z
dc.descriptionThe electromagnetic form factors, charge radii and decay constants of pion, K and K*(892) are calculated using the three forms of relativistic kinematics: instant form, point form and (light) front form. Simple representations of the mass operator together with single quark currents are employed with all the forms. Making use of previously fixed parameters, together with the constituent quark mass for the strange quark, a reasonable reproduction of the available data for form factors, charge radii and decay constants of pion, rho, K and K*(892) is obtained in front form. With instant form a similar description, but with a systematic underestimation of the vector meson decay constants is obtained using two different sets of parameters, one for pion and rho and another one for K and K*(892). Point form produces a poor description of the data.
dc.descriptionAccepted in Eur. Phys. Jour. A (2005)
dc.identifierhttps://arxiv.org/abs/hep-ph/0503294
dc.identifierhttp://arxiv.org/abs/hep-ph/0503294
dc.identifierEur.Phys.J.A24:411,2005
dc.identifierdoi:10.1140/epja/i2005-10013-7
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/182538
dc.subjectHigh Energy Physics - Phenomenology
dc.titleElectroweak properties of the $π$, $K$ and $K^*(892)$ in the three forms of relativistic kinematics
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