Published October 1983
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Order αsub(s) corrections to nucleon axial form factors in the bag model
Creators
- 1. Lab. de Physique Theorique et Hautes Energies, 91 - Orsay (France)
- 2. Institut de Physique Nucleaire, 91 - Orsay (France)
- 3. TRIUMF, Vancouver (Canada)
- 4. University of Bristol (UK)
Description
In this paper, we demonstrate a consistent procedure for renormalization in Q.C.D. perturbation theory inside the bag and calculate up to order αsub(s) the nucleon axial form factors for small values of q2. Our gluonic corrections for the axial vector form factor are small but improve the agreement of the zeroth order result with experiment. Our calculated induced pseudoscalar form factor is much smaller than experiment which appears to be dominated by the pion pole, we take this as evidence that the pion field around a nucleon can not be generated in low order Q.C.D. perturbation theory
Availability note (English)
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16025936.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 24 p.
- Report number
- IPNO-TH--83-54
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 16025936
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Descriptors DEI
- BAG MODEL; CORRECTIONS; FORM FACTORS; NUCLEONS; PERTURBATION THEORY; QUANTUM CHROMODYNAMICS; RENORMALIZATION
- Descriptors DEC
- BARYONS; ELEMENTARY PARTICLES; EXTENDED PARTICLE MODEL; FERMIONS; FIELD THEORIES; HADRONS; MATHEMATICAL MODELS; PARTICLE MODELS; PARTICLE PROPERTIES; QUANTUM FIELD THEORY