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Pairs in the light-front and covariance

2 Pith papers cite this work. Polarity classification is still indexing.

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abstract

The electromagnetic current of bound systems in the light-front is constructed in the Breit-Frame, in the limit of momentum transfer $q^+=(q^0+q^3)$ vanishing. In this limit, the pair creation term survives and it is responsible for the covariance of the current. The pair creation term is computed for the $j^+$ current of a spin one composite particle in the Breit-frame. The rotational symmetry of $j^+$ is violated if the pair term is not considered.

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2026 2

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representative citing papers

Light-front mass operator with dressed quarks

hep-ph · 2026-04-24 · unverdicted · novelty 5.0

An effective dressed light-front mass operator for quarks is constructed from a lattice-inspired propagator and applied to compute pion TMDs, PDFs, and distribution amplitudes.

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