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Conference Papers Year : 2008

Electromagnetic form factor via Minkowski and Euclidean Bethe-Salpeter amplitudes

Abstract

The electromagnetic form factors calculated through Euclidean Bethe-Salpeter amplitude and through the light-front wave function are compared with the one found using the Bethe-Salpeter amplitude in Minkowski space. The form factor expressed through the Euclidean Bethe-Salpeter amplitude (both within and without static approximation) considerably differs from the Minkowski one, whereas form factor found in the light-front approach is almost indistinguishable from it.

Dates and versions

in2p3-00176289 , version 1 (07-12-2007)

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Cite

V.A. Karmanov, J. Carbonell, M. Mangin-Brinet. Electromagnetic form factor via Minkowski and Euclidean Bethe-Salpeter amplitudes. 20th European Few Body Conference (EFB 20), Sep 2007, Pisa, Italy. pp.283-286, ⟨10.1007/s00601-008-0309-4⟩. ⟨in2p3-00176289⟩
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