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pro vyhledávání: '"P. Rodriguez, J. Alexis"'
Publikováno v:
International Journal of Modern Physics A, February 2014, Vol. 29, No. 03n04
Processes $\tau\rightarrow l\gamma$, $\tau\rightarrow lll$ with $l= e,\mu$ and $\mu(\tau) \to e (\mu) \gamma$ are evaluated in the framework of a model based on the extended symmetry gauge $SU(3)_c \otimes SU(3)_L \otimes U(1)_Y$ with a leptonic sect
Externí odkaz:
http://arxiv.org/abs/1310.1407
Autor:
Cabarcas, J. M., Rodriguez, J. -Alexis
Publikováno v:
Modern Physics Letters A 29 (06) (2014)
We obtain electric charge quantization in the context of models based on the gauge symmetry group SU(3) X SU(4) X U(1). The gauge models studied include three families to cancel out anomalies and a set of scalar fields to break spontaneously the symm
Externí odkaz:
http://arxiv.org/abs/1303.5332
Models based on the extended symmetry gauge $SU(3)_c \otimes SU(3)_L \otimes U(1)_Y$ can be build up with a leptonic sector consistent of five triplets in different $SU(3)_L$ representations where additional heavy fermions are included. Some of these
Externí odkaz:
http://arxiv.org/abs/1212.3586
We consider a three Higgs doublet model with an $S_3$ symmetry in which beside the SM-like doublet there are two fermiophobic doublets. Due to the new charged scalars there is an enhancement in the two-photon decay while the other channels have the s
Externí odkaz:
http://arxiv.org/abs/1212.1665
Publikováno v:
Journal of Physics G: Nuclear and Particle Physics 40 (9), 095004 (2013)
The most commonly used parameterizations of the Yukawa couplings in the two Higgs doublet model are revisited. Their similitudes and differences are emphasized and relations between the different notations used in the literature are derived. Using th
Externí odkaz:
http://arxiv.org/abs/1205.5726
There are different models based on the gauge symmetry $SU(3)_C \otimes SU(3)_L \otimes U(1)_X$ (331) some of them includes exotic particles and others are constructed without any exotic charges assigned to the fermionic spectrum. Each model build up
Externí odkaz:
http://arxiv.org/abs/1111.0315
Akademický článek
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Publikováno v:
Braz.J.Phys.38:455-458,2008
By using the Cheng, Sher and Yuan's anzats, we study the light Higgs Boson production associated with $b$ quark production at TEVATRON using the 2HDM type III. We compare the simulations with experimental results coming from TEVATRON, finding valid r
Externí odkaz:
http://arxiv.org/abs/0810.4313
Publikováno v:
Braz.J.Phys.38:507-510,2008
We study charged Higgs production in the process $\gamma\gamma\to A^0\to W^- H^+$. The processes $\gamma\gamma\to A^0$ are loop mediated in a 2HDM. This is due to the fact that photons only couple directly to charged particles and the Higgs only coup
Externí odkaz:
http://arxiv.org/abs/0810.4303
Publikováno v:
Mod.Phys.Lett.A26:1869-1879,2011
The D0 experiment has reported a direct search for a charged Higgs boson produced by $q \bar q$ annihilation and decaying to $t \bar b$ final state, in the $180 \leq M_{H^+} \leq 300$ GeV mass range. The analysis has lead to upper limits on the produ
Externí odkaz:
http://arxiv.org/abs/0810.3046