Operator mixing and scaling deviations in asymptotically free field theories

6533b82efe1ef96bd1293117

RESEARCH PRODUCT

Operator mixing and scaling deviations in asymptotically free field theories

subject

Momentum Physics Renormalization Particle physics Quantum electrodynamics Operator (physics)High Energy Physics::Phenomenology High Energy Physics::Experiment Neutrino Scale invariance Deep inelastic scattering Scaling Gluon

description

Predictions of asymptotically free field theories for scaling deviations of the structure functions are compared with recent SLAC and Fermilab data on deep-inelastic lepton-hadron scattering. Contributions of nonsinglet as well as singlet Wilson operators are taken into account. The latter contributions are found to be non-negligible; specifically it is observed, in agreement with neutrino data, that about 60% of the proton's momentum is due to gluons. The expected quantitative pattern of scaling violations is given for a large range of ..omega.. and Q/sup 2/. (AIP)

year	journal	country	edition	language
1976-12-01	Physical Review D

https://doi.org/10.1103/physrevd.14.3034

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