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The Daya Bay Collaboration has recently reported its first \bar{\nu}_e \to \bar{\nu}_e oscillation result which points to \theta_{13} \simeq 8.8^\circ \pm 0.8^\circ (best-fit \pm 1\sigma range) or \theta_{13} \neq 0^\circ at the 5.2\sigma…

高能物理 - 唯象学 · 物理学 2015-06-04 Zhi-zhong Xing

We present the Bayesian method for evaluating the evidence for a non-zero value of the leptonic mixing angle theta_13 and CP-violation in neutrino oscillation experiments. This is an application of the well-established method of Bayesian…

高能物理 - 唯象学 · 物理学 2012-09-03 Johannes Bergstrom

A model independent analysis of the leptonic Dirac CP-violating phase ({\delta}) is presented. The analysis uses the experimentally determined values of the mixing angles in the lepton mixing matrix in order to explore the allowed values…

高能物理 - 唯象学 · 物理学 2014-06-09 J. Alberto Acosta , Alfredo Aranda , Julio Virrueta

We propose that leptonic CP violation arises from a breaking of the mu-tau exchange symmetry in the neutrino mass matrix which in turn is indicated by the near maximal atmospheric neutrino mixing and the near zero \theta_{13}. We find that…

高能物理 - 唯象学 · 物理学 2008-11-26 R. N. Mohapatra , W. Rodejohann

We consider a minimal condition that predicts the 1-3 lepton mixing angle $\theta_{13} \simeq \theta_{\rm C}/\sqrt{2}$ with $\theta_{\rm C}$ the Cabibbo angle, and give the improved prediction of $\theta_{13}$. In the case of normal mass…

高能物理 - 唯象学 · 物理学 2016-01-19 Junpei Harada

The recent observation of the smallest neutrino mixing angle $\theta_{13}$ in the Daya Bay and RENO experiments motivates us to examine whether $\theta_{13} \simeq 9^\circ$ at the electroweak scale can be generated from $\theta_{13} =…

高能物理 - 唯象学 · 物理学 2015-06-04 Shu Luo , Zhi-zhong Xing

The Daya Bay Collaboration (An et al) has recently proclaimed discovery of non-zero reactor angle, $\theta_{13}$, $\sin^{2}2\theta_{13}$=0.092$\pm$0.016(stat)$\pm$0.005(syst), at $5.2\sigma$ which is in conformity with the earlier…

高能物理 - 唯象学 · 物理学 2012-07-17 Surender Verma

The Daya Bay Collaboration has recently observed neutrino oscillations in the nu_e-bar -> nu_e-bar disappearance channel, indicating that sin^2 theta_13 = 0.024 +(-) 0.005 (1 sigma) and theta_13 = 0 is already excluded at the 5.2 sigma…

高能物理 - 唯象学 · 物理学 2012-05-04 Shun Zhou

We perform a comparison of the different future neutrino oscillation experiments based on the achievable precision in the determination of the fundamental parameters theta_{13} and the CP phase, delta, assuming that theta_{13} is in the…

高能物理 - 唯象学 · 物理学 2015-06-04 Pilar Coloma , Andrea Donini , Enrique Fernandez-Martinez , Pilar Hernandez

Nonzero and relatively large of $\theta_{13}$ mixing angle has some phenomenological consequences on neutrino physics beyond the standard model. One of the consequences if the mixing angle $\theta_{13}\neq 0$ is the possibility of the CP…

高能物理 - 唯象学 · 物理学 2014-10-16 Asan Damanik

We study a 3-3-1 model based on non-Abelian discrete symmetry group $T_{13}$ which accommodates lepton mixing with non-zero $\theta_{13}$ and CP violation phase. The neutrinos get small masses and mixing with CP violation phase from…

高能物理 - 唯象学 · 物理学 2015-08-12 V. V. Vien

A non zero, surprisingly large value of the third mixing angle $\theta_{13}$ has been measured in reactor neutrino experiments. Currently the most precise measurement of $\sin^2 2\theta_{13}$ has been performed by the Daya Bay experiment…

高能物理 - 实验 · 物理学 2013-02-12 Rupert Leitner

We perform a global analysis of neutrino oscillation data, including high-precision measurements of the neutrino mixing angle theta_13 at reactor experiments, which have confirmed previous indications in favor of theta_13>0. Recent data…

高能物理 - 唯象学 · 物理学 2013-05-30 G. L. Fogli , E. Lisi , A. Marrone , D. Montanino , A. Palazzo , A. M. Rotunno

The question "how small is the lepton mixing angle \theta_{13}?" had a convincing answer in a surprisingly short time, \theta_{13} \simeq 9^{\circ}, a large value comparable to the Chooz limit. It defines a new epoch in the program of…

高能物理 - 唯象学 · 物理学 2015-06-11 Hisakazu Minakata

Leptonic CP Violating Phase $ \delta_{CP} $ in the light neutrino sector and leptogenesis via present matter antimatter asymmetry of the Universe entails each other. Probing CP violation in light neutrino oscillation is one of the…

高能物理 - 唯象学 · 物理学 2021-03-24 Gayatri Ghosh

We discuss the neutrino oscillations, using texture zero mass matrices for the leptons, including radiative correction. The neutrino mixing angle theta_13 is calculated and agrees with the result of the new Daya Bay experiment.

高能物理 - 唯象学 · 物理学 2015-06-04 Harald Fritzsch

We study effects of CP violation in a modified bipair neutrino mixing scheme predicting $\sin^2\theta_{23}$ near both 0.4 and 0.6 currently consistent with experimentally allowed values. The source of CP violation is supplied by charged…

高能物理 - 唯象学 · 物理学 2015-06-19 Jun Iizuka , Yoshikazu Kaneko , Teruyuki Kitabayashi , Naoto Koizumi , Masaki Yasue

Nonzero of mixing angle $\theta_{13}$ has some phenomenological consequences on neutrino physics beyond the standard model. If the mixing angle $\theta_{13}\neq 0$, then there is the possibility of the CP violation existence on the neutrino…

高能物理 - 唯象学 · 物理学 2015-07-21 Asan Damanik

Many experiments are being planned to measure the neutrino mixing parameter $\theta_{13}$ using reactor as well as accelerator neutrino beams. In this note, the theoretical significance of a high precision measurement of this parameter is…

高能物理 - 唯象学 · 物理学 2008-11-26 R. N. Mohapatra

We consider a simple extension of the Standard Model by adding two Higgs triplets and a complex scalar singlet to its particle content. In this framework, the CP symmetry is spontaneously broken at high energies by the complex vacuum…

高能物理 - 唯象学 · 物理学 2013-05-30 G. C. Branco , R. Gonzalez Felipe , F. R. Joaquim , H. Serodio
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