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Deuteron electromagnetic structure at large momentum transfer

Journal Article · · Physical Review. C, Nuclear physics
 [1];  [2];  [3]
  1. Service de Physique Theorique, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette (France)
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Center for Theoretical Physics, Dept. of Physics and Lab. for Nuclear Science; Univ. of Pennsylvania, Philadelphia, PA (United States)
  3. State Univ. of New York at Stony Brook, NY (United States); Service de Physique Theorique, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette (France)
Pursuing the idea that exchange currents should dominate the very large momentum transfer behavior of the deuteron electromagnetic form factors, we evaluate the πρ and σω exchange contributions. Taking the meson-nucleon coupling constants from one-boson exchange calculations of the NN force and the photon-meson coupling strengths from a relativistic quark model, we find that the form factors begin to ''flatten out'' at momentum transfers q2≳50 fm-2 and are an order of magnitude greater than the usual impulse prediction at 2≈100 fm-2.
Research Organization:
Service de Physique Theorique, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette (France)
Sponsoring Organization:
US Atomic Energy Commission (AEC)
NSA Number:
NSA-30-025528
OSTI ID:
4259964
Journal Information:
Physical Review. C, Nuclear physics, Journal Name: Physical Review. C, Nuclear physics Journal Issue: 1 Vol. 10; ISSN 0556-2813; ISSN PRVCAN
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English