Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

The mesonic chiral lagrangean of order p6

Bijnens, Johan LU orcid ; Colangelo, Gilberto and Ecker, Gerhard (1999) In Journal of High Energy Physics 1999(JHEP02(1999)).
Abstract

We construct the effective chiral lagrangean for chiral perturbation theory in the mesonic even-intrinsic-parity sector at order p6. The lagrangean contains 112 in principle measurable + 3 contact terms for the general case of n light flavours, 90+4 for three and 53+4 for two flavours. The equivalence between equations of motion and field redefinitions to remove spurious terms in the lagrangeans is shown to all orders in the chiral expansion. We also discuss and implement other methods for reducing the number of terms to a minimal set.

Please use this url to cite or link to this publication:
author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Chiral Lagrangeans, Nonperturbative Effects, QCD, Spontaneous Symmetry Breaking
in
Journal of High Energy Physics
volume
1999
issue
JHEP02(1999)
article number
020
publisher
Springer
external identifiers
  • scopus:33646042257
ISSN
1029-8479
DOI
10.1088/1126-6708/1999/02/020
language
English
LU publication?
yes
id
f8dd9e25-0261-45a9-818d-59509cb3cfd8
date added to LUP
2019-05-03 09:05:56
date last changed
2024-04-16 05:11:07
@article{f8dd9e25-0261-45a9-818d-59509cb3cfd8,
  abstract     = {{<p>We construct the effective chiral lagrangean for chiral perturbation theory in the mesonic even-intrinsic-parity sector at order p<sup>6</sup>. The lagrangean contains 112 in principle measurable + 3 contact terms for the general case of n light flavours, 90+4 for three and 53+4 for two flavours. The equivalence between equations of motion and field redefinitions to remove spurious terms in the lagrangeans is shown to all orders in the chiral expansion. We also discuss and implement other methods for reducing the number of terms to a minimal set.</p>}},
  author       = {{Bijnens, Johan and Colangelo, Gilberto and Ecker, Gerhard}},
  issn         = {{1029-8479}},
  keywords     = {{Chiral Lagrangeans; Nonperturbative Effects; QCD; Spontaneous Symmetry Breaking}},
  language     = {{eng}},
  number       = {{JHEP02(1999)}},
  publisher    = {{Springer}},
  series       = {{Journal of High Energy Physics}},
  title        = {{The mesonic chiral lagrangean of order p<sup>6</sup>}},
  url          = {{http://dx.doi.org/10.1088/1126-6708/1999/02/020}},
  doi          = {{10.1088/1126-6708/1999/02/020}},
  volume       = {{1999}},
  year         = {{1999}},
}