Developments in High Energy Physics (eBook, PDF)

Proceedings of the IX. Internationale Universitätswochen für Kernphysik 1970 der Karl-Franzens-Universität Graz, at Schladming (Steiermark, Austria), 23rd February - 7th March 1970
Redaktion: Urban, Paul

• Format: PDF

Produktbeschreibung

We summarize the situation regarding non-polynomial Lagrangians: I should make the qualification that an enor mous amount of verification is needed before the problems of renormalizability are all sorted out, but one may ten tatively state: 1) All matrix elements are finite for theories where the Dyson index D is less than two. 2) For the cases when D=2 or 3, counter-terms have been explicitly written which absorb all infinities and the theories are renormalizable. 3) Mixed theories of polynomial and non-polynomial fields appear to be renormalizable provided the Dyson in dices separately and jointly fulfill renormalizability criteria. We believe that weak interactions, chiral La grangians and Yang-Mills theory fall into this class though detailed proofs have not yet been constructed. 4) It seems likely that to each order in the major coupling (and to all orders in the minor coupling}the S matrix elements, as computed by methods outlined, satisfy the necessary unitarity and analyticity requirements.

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Produktdetails

• Verlag: Springer Vienna
• Seitenzahl: 633
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9783709158357
• Artikelnr.: 53126197

Inhaltsangabe

Non-Polynomial Lagrangian Theories.- to the Use of Non-Linear Techniques in S-Matrix Theory.- Some Exact Results on ? ? Scattering.- Aspects of Chiral Symmetry.- Some Recent Work in Regge Theory: Regge Cuts, The Absorption Model and Glauber Theory.- Veneziano-Like Model for a Two-Current Amplitude.- Absorption Corrections and Cuts in the Regge Pole Model.- Lectures on Regge Phenomenology.- Differentiable Manifolds.- General Relativity and Gravitational Collapse.- The Construction of Physical States in Quantum Field Theory.- The 0(3,1) Analysis of Currents and Current Commutators.- Duality.- Some Remarks on the Quark Model.- Anomalies in Ward Identities ?.- Structure Effects in Weak Interactions.- Realizations of Lie Algebras Through Rational Functions of Canonical Variables.- Mass Operator in the SU(3)-Symmetric Strong Coupling Theory with Pseudoscalar Mesons.- Summary - First Week.- Summary - Second Week.