QCD isospin breaking in meson masses, decay constants and quark mass ratios

G. Amoros; J. Bijnens; P. Talavera

doi:10.1016/S0550-3213(01)00121-3

QCD isospin breaking in meson masses, decay constants and quark mass ratios

G. Amoros, J. Bijnens, P. Talavera

Research output: Contribution to journal › Article › peer-review

Abstract

The procedure to calculate masses and matrix-elements in the presence of mixing of the basis states is explained in detail. We then apply this procedure to the two-loop calculation in Chiral Perturbation Theory of pseudoscalar masses and decay constants including quark mass isospin breaking. These results are used to update our analysis of K_ℓ4 done previously and obtain a value of m_u/m_d in addition to values for the low-energy-constants L_i ^r.

Original language	English
Pages (from-to)	87-108
Number of pages	22
Journal	Nuclear Physics B
Volume	602
Issue number	1-2
DOIs	https://doi.org/10.1016/S0550-3213(01)00121-3
Publication status	Published - 2001 May 21

Subject classification (UKÄ)

Subatomic Physics

Free keywords

11.30.Rd
12.15.Ff
12.39.Fe
13.20.Eb

Access to Document

10.1016/S0550-3213(01)00121-3

Cite this

@article{22bdc9dcb0bb4818a0fdde170b58b695,

title = "QCD isospin breaking in meson masses, decay constants and quark mass ratios",

abstract = "The procedure to calculate masses and matrix-elements in the presence of mixing of the basis states is explained in detail. We then apply this procedure to the two-loop calculation in Chiral Perturbation Theory of pseudoscalar masses and decay constants including quark mass isospin breaking. These results are used to update our analysis of Kℓ4 done previously and obtain a value of mu/md in addition to values for the low-energy-constants Li r.",

keywords = "11.30.Rd, 12.15.Ff, 12.39.Fe, 13.20.Eb",

author = "G. Amoros and J. Bijnens and P. Talavera",

year = "2001",

month = may,

day = "21",

doi = "10.1016/S0550-3213(01)00121-3",

language = "English",

volume = "602",

pages = "87--108",

journal = "Nuclear Physics B",

issn = "0550-3213",

publisher = "Elsevier",

number = "1-2",

}

TY - JOUR

T1 - QCD isospin breaking in meson masses, decay constants and quark mass ratios

AU - Amoros, G.

AU - Bijnens, J.

AU - Talavera, P.

PY - 2001/5/21

Y1 - 2001/5/21

N2 - The procedure to calculate masses and matrix-elements in the presence of mixing of the basis states is explained in detail. We then apply this procedure to the two-loop calculation in Chiral Perturbation Theory of pseudoscalar masses and decay constants including quark mass isospin breaking. These results are used to update our analysis of Kℓ4 done previously and obtain a value of mu/md in addition to values for the low-energy-constants Li r.

AB - The procedure to calculate masses and matrix-elements in the presence of mixing of the basis states is explained in detail. We then apply this procedure to the two-loop calculation in Chiral Perturbation Theory of pseudoscalar masses and decay constants including quark mass isospin breaking. These results are used to update our analysis of Kℓ4 done previously and obtain a value of mu/md in addition to values for the low-energy-constants Li r.

KW - 11.30.Rd

KW - 12.15.Ff

KW - 12.39.Fe

KW - 13.20.Eb

U2 - 10.1016/S0550-3213(01)00121-3

DO - 10.1016/S0550-3213(01)00121-3

M3 - Article

AN - SCOPUS:0001791857

SN - 0550-3213

VL - 602

SP - 87

EP - 108

JO - Nuclear Physics B

JF - Nuclear Physics B

IS - 1-2

ER -

QCD isospin breaking in meson masses, decay constants and quark mass ratios

Abstract

Subject classification (UKÄ)

Free keywords

Access to Document

Fingerprint

Cite this