Electromagnetic Properties for Arbitrary Spin Particles: Part 2 $-$ Natural Moments and Transverse Charge Densities

@inproceedings{Lorc2009ElectromagneticPF,
  title={Electromagnetic Properties for Arbitrary Spin Particles: Part 2 \$-\$ Natural Moments and Transverse Charge Densities},
  author={C{\'e}dric Lorc{\'e}},
  year={2009}
}
In a set of two papers, we propose to study an old-standing problem, namely the electromagnetic interaction for particles of arbitrary spin. Based on the assumption that light-cone helicity at tree level and Q = 0 should be conserved non-trivially by the electromagnetic interaction, we are able to derive all the natural electromagnetic moments for a pointlike particle of any spin. In this second paper, we give explicit expressions for the light-cone helicity amplitudes in terms of covariant… 

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