Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Kimura, Daiji"'
The chiral symmetry is explicitly and spontaneously broken in a strongly interacting massive fermionic system. We study the chiral symmetry restoration in massive four-fermion interaction models with increasing temperature and chemical potential. At
Externí odkaz:
http://arxiv.org/abs/2306.00470
Akademický článek
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Publikováno v:
Prog Theor Exp Phys (2018)
Observables of light hadron decays are analyzed in a model of chiral Lagrangian which includes resonance fields of vector mesons. In particular, transition form factors are investigated for Dalitz decays of $V\to Pl^+l^-$ and $P\to \gamma l^+l^-$ $(V
Externí odkaz:
http://arxiv.org/abs/1609.09235
An intrinsic parity violating hadronic tau lepton decay is investigated. $\tau \to \pi \pi \eta \nu$ is the process in which the dominant contribution to the amplitude is due to the intrinsic parity violation. To predict the hadronic invariant mass s
Externí odkaz:
http://arxiv.org/abs/1508.02995
The hadronic tau decay $\tau^- \to \nu_\tau \eta \pi^- \pi^0$ occurs through V-A weak current. In this decay mode, the vector current contribution is intrinsic parity violating and the axial current contribution is G parity violating. The latter cont
Externí odkaz:
http://arxiv.org/abs/1411.1961
Publikováno v:
Int. J. Mod. Phys. A 28, 1350100 (2013)
Hattori-Itakura have recently derived the full Landau-level summation form for the photon vacuum polarization tensor in constant external magnetic fields at the one-loop level. The Landau-level summation form is essential when the photon momentum exc
Externí odkaz:
http://arxiv.org/abs/1304.3655
In the two body hadronic tau decays, such as tau->to K pi (eta)nu, vector mesons play important role. Belle and Babar measured hadronic invariant mass spectrum of tau -> K pi nu decay. To compare the spectrum with theoretical prediction, we develop t
Externí odkaz:
http://arxiv.org/abs/1211.7288
We study the impact of the CP violation of the extra Higgs sector on $D^0$ decay. The CP even and CP odd neutral Higgs mixing of the two Higgs doublet model is studied and we show how the CP violating effect of the mixing may lead to the longitudinal
Externí odkaz:
http://arxiv.org/abs/1206.3134
Publikováno v:
Nucl.Phys.Proc.Suppl.218:3-8,2011
We study the effect of flavor changing charged current(FCCC) of lepton sector in the hadronic tau decays, tau \to nu_X K^- pi^0 (X=e,mu). In general two Higgs doublet model, the lepton flavor changing neutral current (FCNC) arises in the charged lept
Externí odkaz:
http://arxiv.org/abs/1012.5369
CP violation of the charged lepton sector has not been found yet. Tau is a unique charged lepton which can decay into hadrons. In this talk, we argue what kind of new physics can be studied with CP violation of tau lepton decays. We also disucuss how
Externí odkaz:
http://arxiv.org/abs/0905.1802