Article (Scientific journals)
Light-front interpretation of Proton Generalized Polarizabilities
Gorchtein, M.; Lorce, Cédric; Pasquini, B. et al.
2010In Physical Review Letters, 104, p. 112001
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Abstract :
[en] We extend the recently developed formalism to extract light-front quark charge densities from nucleon form factor data to the deformations of these quark charge densities when applying an external electric field. We show that the resulting induced polarizations can be extracted from proton generalized polarizabilities. The available data for the generalized electric polarizability of the proton yield a pronounced structure in its induced polarization at large transverse distances, which will be pinned down by forthcoming high precision virtual Compton scattering experiments.
Disciplines :
Physics
Author, co-author :
Gorchtein, M.
Lorce, Cédric ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules
Pasquini, B.
Vanderhaeghen, M.
Language :
English
Title :
Light-front interpretation of Proton Generalized Polarizabilities
Publication date :
2010
Journal title :
Physical Review Letters
ISSN :
0031-9007
eISSN :
1079-7114
Publisher :
American Physical Society, Ridge, United States - New York
Volume :
104
Pages :
112001
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 30 November 2013

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