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Electromagnetic corrections to K ->pi pi. I. Chiral perturbation theory
Electromagnetic octet chiral perturbation theory the amplitude
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2014/12/22
An analysis of electromagnetic corrections to the (dominant) octet K → ππ hamiltonian using chiral perturbation theory is carried out. Relative shifts in amplitudes at the several per cent level are f...
Decay pi(0)->gamma gamma to next to leading order in chiral perturbation theory
Decay of amplitude induced mixing pure state low energy
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2014/12/20
The π0→γγ decay width is analyzed within the combined framework of chiral perturbation theory and the 1/Nc expansion up to O(p6) and O(p4×1/Nc) in the decay amplitude. The η′ is explicitly included in...
Long distance regularization in chiral perturbation theory with decuplet fields
Baryon chiral perturbation theory the octet axial vector coupling magnetic
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2014/12/20
We investigate the use of long distance regularization in SU(3) baryon chiral perturbation theory with decuplet fields. The one-loop decuplet contributions to the octet baryon masses, axial-vector cou...
Staggered chiral perturbation theory in the two-flavor case and SU(2) analysis of the MILC data
Staggered chiral perturbation theory two-flavor case
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2011/1/6
In the light pseudoscalar sector, we study rooted staggered chiral perturbation theory in the two-flavor case. The pion mass and decay constant are calculated through NLO for a partially-quenched theo...
Staggered chiral perturbation theory in the two-flavor case and SU(2) analysis of the MILC data
Staggered chiral perturbation theory two-flavor case
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2011/1/6
In the light pseudoscalar sector, we study rooted staggered chiral perturbation theory in the two-flavor case. The pion mass and decay constant are calculated through NLO for a partially-quenched theo...
Axial and electromagnetic observables of hyperons in 2-flavor chiral perturbation theory
Axial electromagnetic observables hyperons 2-flavor chiral perturbation theory
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2011/1/6
Two-flavor chiral expansions provide a useful perturbative framework to study hadron properties. Such expansions should exhibit marked improvement over the conventional three-flavor chiral expansion. ...
Axial and electromagnetic observables of hyperons in 2-flavor chiral perturbation theory
Axial electromagnetic observables hyperons 2-flavor chiral perturbation theory
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2011/1/6
Two-flavor chiral expansions provide a useful perturbative framework to study hadron properties. Such expansions should exhibit marked improvement over the conventional three-flavor chiral expansion. ...
Electromagnetic Corrections in Staggered Chiral Perturbation Theory
Electromagnetic Corrections Staggered Chiral Perturbation Theory
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2011/1/7
To reduce errors in light-quark mass determinations, it is now necessary to consider electromagnetic contributions to light-meson masses. Calculations using staggered quarks and quenched photons are c...
Staggered chiral perturbation theory in the two-flavor case and SU(2) analysis of the MILC data
Staggered chiral perturbation theory two-flavor case SU(2) analysis of the MILC data
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2011/1/13
In the light pseudoscalar sector, we study rooted staggered chiral perturbation theory in the
two-flavor case. The pion mass and decay constant are calculated through NLO for a partiallyquenched theo...
Axial and electromagnetic observables of hyperons in 2-flavor chiral perturbation theory
Axial electromagnetic observables of hyperons 2-flavor chiral perturbation theory
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2011/1/13
Two-flavor chiral expansions provide a useful perturbative framework to study hadron properties.Such expansions should exhibit marked improvement over the conventional three-flavor chiral expansion.
Axial and electromagnetic observables of hyperons in 2-flavor chiral perturbation theory
Axial electromagnetic observables of hyperons 2-flavor chiral perturbation theory
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2011/1/7
Two-flavor chiral expansions provide a useful perturbative framework to study hadron properties.
Such expansions should exhibit marked improvement over the conventional three-flavor chiral
expansion...
Electromagnetic Corrections in Staggered Chiral Perturbation Theory
Electromagnetic Corrections Staggered Chiral Perturbation Theory
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2011/1/14
To reduce errors in light-quark mass determinations, it is now necessary to consider electromagnetic contributions to light-meson masses. Calculations using staggered quarks and quenched photons are c...
Sigma Terms and Strangeness Contents of Baryon Octet inModified Chiral Perturbation Theory
sigma term strangeness content chiral perturbation theory
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2007/8/15
2006Vol.46No.6pp.1059-1064DOI:
Sigma Terms and Strangeness Contents of Baryon Octet inModified Chiral Perturbation Theory
LI Xiao-Ya1 and LÜ Xiao-Fu1,2,3
1 Departme...
Masses and Sigma Terms of Pentaquarks in Chiral Perturbation Theory
pentaquark chiral perturbation theory
σ term
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2007/8/15
2006Vol.46No.4pp.704-710DOI:
Masses and Sigma Terms of Pentaquarks in Chiral Perturbation Theory
LI Xiao-Ya1 and LÜ Xiao-Fu1,2,3
1 Department of Physics, Sichuan Un...
Phase-Shift Definition for Pion-Nucleon Scattering from Chiral Perturbation Theory
Phase-Shift Definition Pion-Nucleon Chiral Perturbation Theory
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2010/10/19
Chiral Perturbation Theory is considered as a very precise method when applied to pion-nucleon scattering near threshold and in the unphysical region since in these cases the pion momenta are small. I...