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arxiv: hep-ph/0412421 · v1 · submitted 2004-12-30 · ✦ hep-ph · nucl-th

Electromagnetic N->Delta transition and neutron form factors

classification ✦ hep-ph nucl-th
keywords deltaelectromagneticformneutronratiotransitionaccuracyavailable
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The C2/M1 ratio of the electromagnetic N->Delta(1232) transition, which is important for determining the geometric shape of the nucleon, is shown to be related to the neutron elastic form factor ratio G_C^n/G_M^n. The proposed relation holds with good accuracy for the entire range of momentum transfers where data are available.

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