Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Fortes E"'
We consider an extension of the standard model with three Higgs doublet model and $S_3\times \mathbb{Z}_2$ discrete symmetries. Two of the scalar doublets are inert due to the $\mathbb{Z}_2$ symmetry. We have calculated all the mass spectra in the sc
Externí odkaz:
http://arxiv.org/abs/1705.09414
We consider here three dark matter models with the gauge symmetry of the standard model plus an additional local $U(1)_D$ factor. One model is truly secluded and the other two models begin flipped, but end up secluded. All of these models include one
Externí odkaz:
http://arxiv.org/abs/1703.05275
Autor:
Fortes, E. C. F. S., Nussinov, Shmuel
Publikováno v:
Phys. Rev. D 93, 014023 (2016)
The anomalously large experimentally measured ratios of the semitauonic decay $B\rightarrow D^{(*)} +\tau+\nu$ and the corresponding semileptonic $B\rightarrow D^{*} +\l+\bar{\nu}_l$ disagree with the predictions of the standard E.W + QCD model(S.M).
Externí odkaz:
http://arxiv.org/abs/1508.04463
Publikováno v:
Astroparticle Phys. 74 (2016) 87
We propose to investigate a secluded WIMP dark matter model consisting of neutral fermions as the dark matter candidate and a Proca-Wentzel (PW) field as a mediator. In the model that we consider here, dark matter WIMPs interact with standard model (
Externí odkaz:
http://arxiv.org/abs/1503.08220
We consider the decays $h\to\gamma\gamma,\gamma Z$ in the context of an extension of the standard model with two inert doublets and an additional $S_3$ symmetry. This model has contributions for these processes through new charged scalar-loops. Compa
Externí odkaz:
http://arxiv.org/abs/1408.0780
We study a two scalar inert doublet model (IDMS$_3$) which is stabilized by a $S_3$ symmetry. We consider two scenarios: i) two of the scalars in each charged sector are mass degenerated due to a residual $Z_2$ symmetry, ii) there is no mass degenera
Externí odkaz:
http://arxiv.org/abs/1407.4749
We study the $Z^\prime$ phenomenology for two extensions of the Electroweak Standard Model (SM) which have an extra $U(1)_{B-L}$ gauge factor. We show the capabilities of the LHC in distinguishing the signals coming from these two extensions and both
Externí odkaz:
http://arxiv.org/abs/1102.4387
Publikováno v:
Phys.Rev.D82:114007,2010
Many extensions of the standard model predict the existence of extra neutral vector bosons, generically referred as $Z^\prime$. This boson may be discovered at the LHC but in this case it will be necessary to study the respective parameters in order
Externí odkaz:
http://arxiv.org/abs/1005.2991
Autor:
Bezerra, Carlos Renato Sales, Regadas, Francisco Sérgio Pinheiro, Figueiredo, Welligton Ribeiro, Nogueira, Miguel Augusto Arcoverde, de Sousa, Péricles Cerqueira, Leite, Claudio Manuel Gonçalves da Silva, Fortes e Silva, Kaline, Martins Filho, Erbert Portela, Leite, José Alberto Dias
Publikováno v:
In Journal of Coloproctology October-December 2014 34(4):193-197
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