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Electron in three-dimensional momentum space

Articolo
Data di Pubblicazione:
2016
Abstract:
We study the electron as a system composed of an electron and a photon, using lowest-order perturbation theory. We derive the leading-twist transverse-momentum-dependent distribution functions for both the electron and photon in the dressed electron, thereby offering a three-dimensional description of the dressed electron in momentum space. To obtain the distribution functions, we apply both the formalism of the light-front wave function overlap representation and the diagrammatic approach. We perform the calculations both in light-cone gauge and Feynman gauge, and we present a detailed discussion of the role of the Wilson lines to obtain gauge-independent results. We provide numerical results and plots for many of the computed distributions.
Tipologia CRIS:
1.1 Articolo in rivista
Keywords:
Nuclear and High Energy Physics
Elenco autori:
Bacchetta, Alessandro; Mantovani, Luca; Pasquini, Barbara
Autori di Ateneo:
BACCHETTA ALESSANDRO
PASQUINI BARBARA
Link alla scheda completa:
https://iris.unipv.it/handle/11571/1179831
Pubblicato in:
PHYSICAL REVIEW D
Journal
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URL

http://harvest.aps.org/bagit/articles/10.1103/PhysRevD.93.013005/apsxml
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