Politzer, H. David (1976) Freedom Now: A New Look at the Impulse Approximation. In: New Pathways in High-Energy Physics II: New Particles, Theories and Experiments. Studies in the Natural Sciences. Vol.11. No.11. Plenum , New York, NY, pp. 231-242. ISBN 978-1-4684-2927-5. https://resolver.caltech.edu/CaltechAUTHORS:20160922-112629491
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Abstract
Recent work on a field-theoretic impulse approximation is described. The operator product expansion is organized according to powers of g(Q2), the effective coupling constant appropriate to momentum transfer Q^2, instead of asymptotic dimensional analysis. This allows the calculation of all quark and target mass dependence of lepton-hadron inclusive scattering, order by order in g(Q^2). To O(g°), there is scaling in a mass dependent variable, ξ. The correct incorporation of quark masses into the renormalization group analysis is presented; the consequences include the relation of constituent masses to current algebra and the magnitude and shapes of the parton distribution functions for gluons, antiquarks, and heavy quarks.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 1976 Plenum Press. | |||||||||
| Series Name: | Studies in the Natural Sciences | |||||||||
| Issue or Number: | 11 | |||||||||
| DOI: | 10.1007/978-1-4684-2925-1_11 | |||||||||
| Record Number: | CaltechAUTHORS:20160922-112629491 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160922-112629491 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 70531 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Joy Painter | |||||||||
| Deposited On: | 30 Sep 2016 19:22 | |||||||||
| Last Modified: | 11 Nov 2021 04:30 |
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