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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. ...
Axial and pseudoscalar form-factors of the Delta^+(1232)
Axial pseudoscalar form-factors
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2011/1/6
We present first results on the axial and pseudoscalar $\Delta$ form factors. The analysis is carried out in the quenched approximation where statistical errors are small and the lattice set-up can be...
Axial electric wake field inside the induction gap exited by the intense electron beam
linear induction accelerator induction gap wake field high voltage breakdown property
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2009/8/17
While an intense electron beam passes through the accelerating gaps of a linear induction accelerator, a strong wake field will be excited. In this paper a relatively simple model is established based...
Topological approach to examine the singularity of the axial-vector current in an Abelian gauge field theory (QED)
axial-vector current Ward-Takahashi identity anomaly Atiyah-Singer index theorem
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2009/8/13
A topological way to distinguish divergences of the Abelian axial-vector current in quantum field theory is proposed. By using the properties of the Atiyah-Singer index theorem, the non-trivial Jacobi...
Singlet Axial Current Form Factor in the Chiral Solitonic Bag Model with Massive Quarks
Chiral Solitonic Bag Model Massive Quarks
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2010/4/19
Singlet axial current form factor gA0 is calculated as a function of bag radius in the two flavor chiral solitonic bag model with unequal quark masses. The value of gA0 near 1 fm is sufficiently small...