Hard exclusive electroproduction of a pion in the backward region
Journal Article
·
· Physical Review. D, Particles Fields
- Centre de Physique Theorique, Ecole Polytechnique, CNRS, 91128 Palaiseau (France)
We study the scaling regime of pion electroproduction in the backward region, eN{yields}e{sup '}N{sup '}{pi}. We compute the leading-twist amplitude in the kinematical region, where it factorises into a short-distance matrix element and long-distance dominated nucleon distribution amplitudes and nucleon to pion transition distribution amplitudes. Using the chiral limit of the latter, we obtain a first estimate of the cross section, which may be experimentally studied at JLab or Hermes.
- OSTI ID:
- 21020264
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 75, Issue 7; Other Information: DOI: 10.1103/PhysRevD.75.074004; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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