Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Hashida, J."'
Publikováno v:
Prog.Theor.Phys. 103 (2000) 379-391; Erratum-ibid. 103 (2000) 865
We study the neutrino mixing matrix (the MNS matrix) in the seesaw model. By assuming a large mass hierarchy for the heavy right-handed Majorana mass, we show that, in the diagonal Majorana base, the MNS matrix is determined by a unitary matrix, $S$,
Externí odkaz:
http://arxiv.org/abs/hep-ph/9909208
Publikováno v:
Phys.Rev. D61 (2000) 044015
The phase structure associated with the chiral symmetry is thoroughly investigated in de Sitter spacetime in the supersymmetric Nambu-Jona-Lasinio model with supersymmetry breaking terms. The argument is given in the three and four space-time dimensi
Externí odkaz:
http://arxiv.org/abs/gr-qc/9907014
Publikováno v:
Mod.Phys.Lett. A14 (1999) 1033-1042
The Casimir effect is an interesting phenomenon in the sense that it provides us with one of the primitive means of extracting the energy out of the vacuum. Since the original work of Casimir a number of works have appeared in extending the result to
Externí odkaz:
http://arxiv.org/abs/hep-ph/9905286
Publikováno v:
Phys.Rev.D59:101302,1999
Chiral phase transitions driven by space-time curvature effects are investigated in de Sitter space in the supersymmetric Nambu-Jona-Lasinio model with soft supersymmetry breaking. The model is considered to be suitable for the analysis of possible p
Externí odkaz:
http://arxiv.org/abs/gr-qc/9812072
Autor:
Hashida, J., Kiyo, Y.
Publikováno v:
Prog.Theor.Phys. 101 (1999) 775-780
We discuss polarized proton-positron scattering in the context of the excess of large $Q^2$ events at HERA. We define and estimate a polarized asymmetry to examine two scenarios, the contact interaction and the stop scenario with broken R-parity. Thi
Externí odkaz:
http://arxiv.org/abs/hep-ph/9808358
Publikováno v:
Phys.Lett. B451 (1999) 343-348
The structure of chiral symmetry restorations at finite temperature is thoroughly investigated in the supersymmetric Nambu-Jona-Lasinio model with a soft supersymmetry breaking term. It is found that the broken chiral symmetry at vanishing temperatur
Externí odkaz:
http://arxiv.org/abs/hep-ph/9808266
Publikováno v:
Mod.Phys.Lett. A13 (1998) 1235-1240
The supersymmetric version of the Nambu-Jona-Lasinio model is investigated in connection with the chiral symmetry breaking induced by a soft SUSY breaking term. It is found that the broken chiral symmetry due to the soft breaking term is restored at
Externí odkaz:
http://arxiv.org/abs/hep-ph/9805483
Autor:
Handoko, L. T., Hashida, J.
Publikováno v:
Phys.Rev. D58 (1998) 094008
Semi-inclusive decays, $\hlx$, are studied in the framework of the minimal supersymmetric standard model without $R-$parity, where $\qh$ ($\ql$) are the second or third (first or second) generation quarks with the same charge and $\xi$ is a vector me
Externí odkaz:
http://arxiv.org/abs/hep-ph/9803265
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