Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Maekawa, C. M."'
Autor:
Magalhães, P. C., Robilotta, M. R., Guimarães, K. S. F. F., Frederico, T., de Paula, W. S., Bediaga, I., Reis, A. C. dos, Maekawa, C. M.
We show that final state interactions are important in shaping Dalitz plots for the decay $D^+ \rar K^- \p^+ \p^+$. The theoretical treatment of this reaction requires a blend of several weak and hadronic processes and hence it is necessarily involve
Externí odkaz:
http://arxiv.org/abs/1307.8352
We derive the parity- and time-reversal-violating nuclear interactions stemming from the QCD theta term and quark/gluon operators of effective dimension 6: quark electric dipole moments, quark and gluon chromo-electric dipole moments, and two four-qu
Externí odkaz:
http://arxiv.org/abs/1106.6119
Autor:
Magalhães, P. C., Robilotta, M. R., Guimarães, K. S. F. F., Frederico, T., de Paula, W., Bediaga, I., Reis, A. C. dos, Maekawa, C. M., Zarnauskas, G. R. S.
Publikováno v:
Phys. Rev. D 84, 094001 (2011)
We assess the importance of final state interactions in $D^+ \rar K^- \p^+ \p^+$, stressing the consistency between two- and three-body interactions. The basic building block in the calculation is a $K\pi$ amplitude based on unitarized chiral perturb
Externí odkaz:
http://arxiv.org/abs/1105.5120
Publikováno v:
Phys.Lett.B696:97-102,2011
The electric dipole form factor (EDFF) of the nucleon stemming from the QCD theta term and from the quark color-electric dipole moments is calculated in chiral perturbation theory to sub-leading order. This is the lowest order in which the isoscalar
Externí odkaz:
http://arxiv.org/abs/1010.4078
Autor:
Maekawa, C. M., Rodriguez, M. C.
Publikováno v:
JHEP 0801:072,2008
In a previous work we have showed that the ${\cal Z}_{2}^{\prime}$ Symmetry, imply that the light fermions, the electron and the quarks, $u,d$ and $s$, get their masses only at one loop level. Here, we considere the more general hypothesis for flavou
Externí odkaz:
http://arxiv.org/abs/0710.4943
Autor:
Maekawa, C. M., Rodriguez, M. C.
Publikováno v:
JHEP 0604 (2006) 031
We consider the mass generation for the usual quarks and leptons in some supersymmetric models. The masses of the top, the bottom, the charm, the tau and the muon are given at the tree level. All the other quarks and the electron get their masses at
Externí odkaz:
http://arxiv.org/abs/hep-ph/0602074
Publikováno v:
Nucl.Phys.A748:435-498,2005
We reformulate the analysis of nuclear parity-violation (PV) within the framework of effective field theory (EFT). To order Q, the PV nucleon-nucleon (NN) interaction depends on five a priori unknown constants that parameterize the leading-order, sho
Externí odkaz:
http://arxiv.org/abs/nucl-th/0407087
Publikováno v:
Phys.Rev.D65:033001,2002
We analyze the degree to which parity-violating (PV) electroexcitation of the $\Delta(1232)$ resonance may be used to extract the weak neutral axial vector transition form factors. We find that the axial vector electroweak radiative corrections are l
Externí odkaz:
http://arxiv.org/abs/hep-ph/0107076
Publikováno v:
Phys.Rev.Lett.87:201802,2001
We analyze the real photon asymmetry $A^\pm_\gamma$ for the parity violating (PV) $\pi^\pm$ production on the $\Delta$ resonance via the reactions ${\vec \gamma} + p \to \Delta^+ \to \pi^+ + n$ and ${\vec \gamma} + d \to \Delta^0 + p \to \pi^- + p +
Externí odkaz:
http://arxiv.org/abs/hep-ph/0106216
Publikováno v:
Phys.Lett. B488 (2000) 167-174
The anapole form factor of the nucleon is calculated in chiral perturbation theory to sub-leading order. This is the lowest order in which the isovector anapole form factor does not vanish. The anapole moment depends on counterterms that reflect shor
Externí odkaz:
http://arxiv.org/abs/hep-ph/0006181