Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-04-24
Phys.Rev.D58:074006,1998
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, REVTEX. Publication details added to title page. Published version available at http://publish.aps.org/ejnls/prdfe
Scientific paper
10.1103/PhysRevD.58.074006
We study the various existing implementations of SU(3) breaking in the Hidden Local Symmetry model for the low energy hadronic sector following a mechanism originally proposed by Bando, Kugo and Yamawaki (BKY). We pay particular attention to hermiticity and current conservation. Following this, we present a new method for including symmetry breaking effects which preserves the BKY mas s relation among vector mesons. Symmetry breaking (SB) necessarily requires a transformation of the pseudoscalar fields, which, following BKY, we refer to a s field renormalization. We examine the consequences of propagating this throug h all Lagrangian terms including the anomalous ones. We thus explore the consequences of these various SB schemes for both charged and neutral pseudoscalar decay constants as measured in weak and anomalous decays respectively.
Benayoun Maurice
O'Connell Heath B.
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