arXiv:1504.07175·v1·High Energy Physics — Phenomenology
Spin-1 Particles with Light-Front Approach
J. P. B. C. de Melo🇧🇷 · Anacé N. da Silva (Laboratório de Fisica Teórica e Computacional, LFTC, Universidade Cruzeiro do Sul, Sao Paulo, Brazil, 01506-000)🇧🇷 · Clayton S. Mello (Departamento de Física, Instituto Tecnológico de Aeronáutica, Centro Técnico Aeroespacial, 12.228-900, São José dos Campos, Sao Paulo, Brazil and Laboratório de Física Teórica e Computacional, LFTC, Universidade Cruzeiro do Sul, São Paulo, Brazil, 01506-000)🇧🇷 · T. Frederico (Departamento de Física, Instituto Tecnológico de Aeronáutica, Centro Técnico Aeroespacial, 12.228-900, São José dos Campos, São Paulo, Brazil)🇧🇷
Abstract
For the vector sector, i.e, mesons with spin-1, the electromagnetic form factors and anothers observables are calculated with the light-front approach. However, the light-front quantum field theory have some problems, for example, the rotational symmetry breaking. We solve that problem added the zero modes contribuition to the matrix elements of the electromagnetic current, besides the valence contribuition. We found that among the four independent matrix elements of the plus component in the light-front helicity basis only the one carries zero mode contributions.
Comments: 5 pages. 3 Figures, use latex and EPJ style