Results 181 to 190 of about 62,328 (197)

Instantons and chiral Lagrangian

Physical Review D, 1989
We derive the chiral Lagrangian including instanton corrections in a consistent way. $\mathrm{CP}$ violation associated with the $\ensuremath{\theta}$ term in QCD is discussed in terms of this chiral Lagrangian. A particular emphasis is given to a phenomenological determination of ${m}_{u}$ and $\ensuremath{\theta}$.
, Choi, , Kim
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Chiral Lagrangian of pseudoscalars and vectors

Physical Review D, 1985
We formulate a parity-invariant chiral Lagrangian which includes nonlinearly transforming vector mesons but no axial-vector mesons. It is gotten by a simple substitution from the Lagrangian involving a linearly transforming vector and axial-vector multiplet.
, Kaymakcalan, , Schechter
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ON QCD INVESTIGATIONS OF CHIRAL LAGRANGIAN

International Journal of Modern Physics A, 2005
I review the present status of QCD investigations on chiral Lagrangian for pseudo scalar mesons.
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Effective chiral Lagrangian with baryons

Physical Review D, 1987
We use Ioffe's method of constructing (local) baryon field operators in terms of quarks to derive an effective chiral Lagrangian with U(3)\ifmmode\times\else\texttimes\fi{}U(3) symmetry consisting of the ${J}^{P}$${=(1/2)}^{+}$ baryon octet, the ${J}^{P}$${=(1/2)}^{\mathrm{\ensuremath{-}}}$ baryon nonet, and the pseudoscalar-meson nonet. This formalism
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Chiral Anomalies and the Chiral Lagrangian

1985
The subject of this thesis is some implications of chiral anomalies for chiral Lagrangians. The thesis consists of three parts: In the first part, a somewhat heuristic discussion of the topological meaning of anomalies is given in the framework recently introduced by Alvarez. Its application to the sigma model anomalies is also given.
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EQUIVALENCE OF THE QUADRATIC LAGRANGIANS FOR CHIRAL BOSONS

International Journal of Modern Physics A, 1992
Canonical quantization of both the Labastida-Pernici quadratic Lagrangian for two chiral bosons and the simplest chiral boson quadratic Lagrangian where the self-duality is imposed using a Lagrange-multiplier term is performed taking a proper account of the zero modes in the compact case, showing that they are exactly equivalent.
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Remarks on the dimension-four chiral Lagrangian

Physical Review D, 1986
The profound fact that the dimension-four operators in the effective chiral Lagrangian, including quartic-derivative terms, are uniquely determined by the integration of spurious (nontopological) chiral anomalies has rich applications to low-energy hadron physics. The form factor f-italic/sub -/ and the Callan-Treiman relation in K-italic/sub l-italic//
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Chiral Lagrangian for proton decay

Physical Review D, 1984
We extend the recent chiral model of Claudson, Wise, and Hall to include vector and axial-vector mesons as gauge bosons of an SU(3)/sub L/ x SU(3)/sub R/ chiral symmetry. The resulting baryon-number-violating interaction Lagrangian contains an additional free parameter and modifies significantly the two-body branching ratios of protons.
Ömer Kaymakcalan, Lo Chong-Huah, Kameshwar C. Wali   +2 more
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Chiral EW Lagrangian

2017
The ATLAS and CMS collaborations at LHC have found a new boson compatible with the SM Higgs, with a mass of nearly \(M_h\simeq 125\,\mathrm{GeV}\). Furthermore, the most probable \(J^P\) quantum numbers are \(0^+\), and couplings with other particles are in agreement with the SM Higgs, although with moderate precision. Moreover, there is a mass gap for
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Chiral Effective Lagrangians

Perspectives in the Standard Model (TASI-91), 1992
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