Elementary Particle Physics: Multiparticle Aspects - Few-Body Systems 9/1972 (Paperback)
  • Elementary Particle Physics: Multiparticle Aspects - Few-Body Systems 9/1972 (Paperback)
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Elementary Particle Physics: Multiparticle Aspects - Few-Body Systems 9/1972 (Paperback)

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Paperback 910 Pages / Published: 27/11/2013
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The observation of the scaling properties of the structure functions w and vw of deep inelastic electron 1 2 nucleon scattering [1]+ has been taken by many people as an indication for an approximate scale invariance of the world. It was pointed out by Wilson [2], that in many field theories it is possible to assign a dimension d to every fundamental field, which proves to be a conserved quantum number as far as the most singular term of an operator product expansion at small distances ((x-y) +a) is con- JJ cerned++. Later it was shown, at the canonical level, that in many field theories the dimension of a field seems to be a c:pod quantum number even in the terms less singular at small (x-y) , as long as they all belong to the strongest \l light cone singularity (i. e. (x-y)2+a) [3]. The assumption that this type of scale invariance on the light cone be present in the operator product ex- pansion of two electromagnetic currents has provided us with a rather natural explanation of the observed scaling phenomena. We should like to mention, however, that this ex- planation cannot account for the precocity with which scaling is being observed experimentally in energy regions, in which resonances still provide prominent contributions to the final states [4].

Publisher: Springer Verlag GmbH
ISBN: 9783709140369
Number of pages: 910
Weight: 1599 g
Dimensions: 244 x 170 mm
Edition: Softcover reprint of the original 1st ed. 197

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