Energy and momentum in chiral theories - INSPIRE

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Energy and momentum in chiral theories

Aug 20, 1991

26 pages

Published in:

Z.Phys.C 52 (1991) 343-351

DOI:

10.1007/BF01560453

Report number:

UMHEP-321,
NSF-ITP-91-119I

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Abstract: (Springer)

We calculate the energy momentum tensor to orderE4 in chiral perturbation theory. New terms not present in previous work enter the effective Lagrangian. We describe these and estimate the values of the new coupling constants, using the results of a disperisve analysis of the π andK energy momentum tensors and relying on tensor meson dominance for the spin two component. In addition, we compare our findings with the predictions of known scalar meson dominance models of the conformal anomaly.

quantum chromodynamics
effective Lagrangian
perturbation theory: chiral
tensor: energy-momentum
field theory: dilaton
anomaly: conformal
renormalization
form factor
coupling constant
model: meson dominance

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Figures(0)

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