physics

Measurement of the Gerasimov-Drell-Hearn integrand for the proton and deuteron from 200 to 1400 MeV

Aps.org·October 1, 2026

Author(s): P. Pedroni et al. (A2 Collaboration at MAMI)The Gerasimov-Drell-Hearn (GDH) sum rule establishes a fundamental link between the total absorption cross section of circularly polarized photons on longitudinally polarized nucleons and nuclei and their…

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