Light-Front Spin-1 Model: Parameters Dependence

2); (2) Instituto Tecnol\'ogico de Aeron\'autica; Anac\'e N. da Silva (1); Brazil; Brazil); Clayton S. Mello (1; J. P.B. C. de Melo (1); S\~ao Jos\'e dos Campos; S\~ao Paulo; T. Frederico (1) ((1) Laborat\'orio de F\'isica Te\'orica e Computacional

arxiv: 1503.03398 · v2 · pith:666YUCQBnew · submitted 2015-03-11 · ✦ hep-ph

Light-Front Spin-1 Model: Parameters Dependence

Clayton S. Mello (1 , 2) , Anac\'e N. da Silva (1) , J. P.B. C. de Melo (1) , T. Frederico (1) ((1) Laborat\'orio de F\'isica Te\'orica e Computacional , Universidade Cruzeiro do Sul , S\~ao Paulo , Brazil

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(2) Instituto Tecnol\'ogico de Aeron\'autica S\~ao Jos\'e dos Campos Brazil)

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classification ✦ hep-ph

keywords modelconstantdecayelectroweaklight-frontparameterscalculatecalculation

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We study the structure of the $\rho$-meson within a light-front model with constituent quark degrees of freedom. We calculate electroweak static observables: magnetic and quadrupole moments, decay constant and charge radius. The prescription used to compute the electroweak quantities is free of zero modes, which makes the calculation implicitly covariant. We compare the results of our model with other ones found in the literature. Our model parameters give a decay constant close to the experimental one.

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Light-Front Spin-1 Model: Parameters Dependence

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