Measuring anomalous ``spin'' in elastic e-p or ν-p and deep inelastic e-p scattering
| dc.creator | Bass, S. D. | |
| dc.creator | Crewther, R. J. | |
| dc.creator | Steffens, F. M. | |
| dc.creator | Thomas, A. W. | |
| dc.date | 1997-01-03 | |
| dc.date | 1997-03-06 | |
| dc.date.accessioned | 2026-07-07T09:03:26Z | |
| dc.date.available | 2026-07-07T09:03:26Z | |
| dc.description | We obtain a general rule that the O(1/log m_h) term due to the current \bar{h}γ_μγ_5h of a mass-m_h quark h in f-flavour theory is -3\bar{g}^2_f(m_h)/{2π^2(33-2f)} times the flavour singlet current of the residual (f-1)-flavour theory, where \bar{g}_f is the f-flavour running coupling constant in a mass-independent renormalization scheme. The rule is applied to the Ellis-Jaffe moment below and well above charm threshold, and to low-energy Z^0-exchange amplitudes. The singlet axial charge of the proton common to these experiments is both scale and gauge invariant, but is related to the axial anomaly and the ``gluon spin'' by a non-perturbative renormalization factor. | |
| dc.description | 11 pages, LaTeX 2.09, no figures; at the end of the text, ``anti-parallel'' replaced by ``aligned'' and a new paragraph referring to the work of Altarelli and Lampe added | |
| dc.identifier | https://arxiv.org/abs/hep-ph/9701213 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/9701213 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/149010 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.subject | High Energy Physics - Experiment | |
| dc.subject | Nuclear Theory | |
| dc.title | Measuring anomalous ``spin'' in elastic e-p or ν-p and deep inelastic e-p scattering | |
| dc.type | text |