Relativistic corrections of the electromagnetic current in a one-pion exchange model |
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| Authors: | D Drechsel HJ Weber |
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| Institution: | Institut für Kernphysik, Universität Mainz, 65 Mainz, West Germany;University of Virginia, Charlottesville, Va. 22901, USA |
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| Abstract: | Photon absorption or emission in nucleon-nucleon collisions is studied in the one-pion exchange approximation. A gauge-invariant expansion in 1/m is obtained for the isoscalar electro-magnetic current. Kinematic and dynamic relativistic corrections are discussed. |
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