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CHIRAL LAGRANGIANS [PDF]

open access: yesInternational Journal of Modern Physics A, 2002
An overview of the field of Chiral Lagrangians is given. This includes Chiral Perturbation Theory and resummations to extend it to higher energies, applications to the muon anomalous magnetic moment, ∊′/∊ and others.
openaire   +2 more sources

Chiral physics in the magnetic field with quark confinement contribution

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
The standard chiral perturbation theory is known to predict much weaker effects in magnetic field, than found in numerical lattice data. To overcome this disagreement we are using the effective chiral confinement Lagrangian, $$L_{ECCL}$$ LECCL ...
M. A. Andreichikov, Yu. A. Simonov
doaj   +1 more source

A toolkit for twisted chiral superfields

open access: yesJournal of High Energy Physics, 2020
We calculate the most general terms for arbitrary Lagrangians of twisted chiral superfields in 2D (2,2) supersymmetric theories [1]. The scalar and fermion kinetic terms and interactions are given explicitly.
Nana Cabo Bizet, Roberto Santos-Silva
doaj   +1 more source

Unitarized one-loop graviton-graviton scattering [PDF]

open access: yesEPJ Web of Conferences, 2022
In this work we interpret the Einstein-Hilbert (EH) Lagrangian of gravitation as the first term of a low-energy effective theory similar to those considered in the chiral Lagrangian approach to low-energy hadron physics or the electroweak chiral ...
Delgado Rafael L.   +2 more
doaj   +1 more source

N = 3 chiral supergravity compatible with the reality condition and higher N chiral Lagrangian density [PDF]

open access: yes, 2001
We obtain N = 3 chiral supergravity (SUGRA) compatible with the reality condition by applying the prescription of constructing the chiral Lagrangian density from the usual SUGRA.
A. Ashtekar   +31 more
core   +2 more sources

A systematic approach to the SILH Lagrangian

open access: yesNuclear Physics B, 2015
We consider the electroweak chiral Lagrangian, including a light scalar boson, in the limit of small ξ=v2/f2. Here v is the electroweak scale and f is the corresponding scale of the new strong dynamics.
Gerhard Buchalla   +2 more
doaj   +1 more source

Self-interacting chiral p-forms in higher dimensions

open access: yesPhysics Letters B, 2019
There exists no natural variational principle for the dynamics of abelian p-form potentials with self-dual field strengths, also called chiral p-forms. Relying on the PST method, we establish the general consistency condition for a Lagrangian to describe
Ginevra Buratti   +2 more
doaj   +1 more source

Parity-violating πNN coupling constant from the flavor-conserving effective weak chiral Lagrangian

open access: yesPhysics Letters B, 2017
We investigate the parity-violating pion–nucleon–nucleon coupling constant hπNN1, based on the chiral quark-soliton model. We employ an effective weak Hamiltonian that takes into account the next-to-leading order corrections from QCD to the weak ...
Chang Ho Hyun   +2 more
doaj   +1 more source

Isospin-breaking effects in the three-pion contribution to hadronic vacuum polarization

open access: yesJournal of High Energy Physics, 2023
Isospin-breaking (IB) effects are required for an evaluation of hadronic vacuum polarization at subpercent precision. While the dominant contributions arise from the e + e − → π + π − channel, also IB in the subleading channels can become relevant for a ...
Martin Hoferichter   +3 more
doaj   +1 more source

Baryon Chiral Perturbation Theory in the 1/N Expansion [PDF]

open access: yes, 2002
The chiral Lagrangian for baryons is formulated in an expansion in 1/N_c. The chiral Lagrangian implements the contracted spin-flavor symmetry of large-N_c baryons as well as nonet symmetry of the leading planar diagrams. Large-N_c consistency conditions
Jenkins, E.
core   +3 more sources

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