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Related papers: T violation without complex entries in lepton mixi…

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We study the effects of violation of the equivalence principle (VEP) or violation of Lorentz invariance (LIV) in the neutrino sector on the asymmetry between T-conjugate oscillation probabilities, $\Delta P_T \equiv P(\nu_{\alpha} \to…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. N. Leung , Yvonne Y. Y. Wong

We propose a phenomenological model of lepton mixing and CP violation based on the flavor democracy of charge leptons and the mass degeneracy of neutrinos. A nearly bi-maximal flavor mixing pattern, which is favored by current data on…

High Energy Physics - Phenomenology · Physics 2007-05-23 Harald Fritzsch , Zhi-zhong Xing

We discuss a simple model of lepton mixing and CP violation based on the flavor democracy of charge leptons and the mass degeneracy of neutrinos. A nearly bi-maximal flavor mixing pattern, which is favored by current data on atmospheric and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Harald Fritzsch , Zhi-zhong Xing

We consider the interplay of fundamental and matter-induced T violation effects in neutrino oscillations in matter. After discussing the general features of these effects we derive a simple approximate analytic expression for the…

High Energy Physics - Phenomenology · Physics 2010-05-28 E. Kh. Akhmedov , P. Huber , M. Lindner , T. Ohlsson

We point out two simple but instructive possibilities to construct the charged lepton and neutrino mass matrices, from which the nearly bi-maximal neutrino mixing with large T violation can naturally emerge. The two lepton mixing scenarios…

High Energy Physics - Phenomenology · Physics 2014-11-17 Zhi-zhong Xing

In this talk, we consider the interplay of fundamental and matter-induced T-violating effects in neutrino oscillations in matter. We present a simple approximative analytical formula for the T-violating probability asymmetry for three…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tommy Ohlsson

We consider the implications of a violation of the equivalence principle or of Lorentz invariance in the neutrino sector for the T-asymmetry $\Delta P_T \equiv P(\nu_{\alpha} \to \nu_{\beta}) - P(\nu_{\beta} \to \nu_{\alpha})$ in a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yvonne Y. Y. Wong

We propose a method to establish time reversal symmetry violation at future neutrino oscillation experiments in a largely model-independent way. We introduce a general parametrization of flavour transition probabilities which holds under…

High Energy Physics - Phenomenology · Physics 2022-03-14 Thomas Schwetz , Alejandro Segarra

We propose a phenomenological model of lepton mixing and CP violation based on the flavor democracy of charge leptons and the mass degeneracy of neutrinos. A nearly bi-maximal flavor mixing pattern, which is favored by current data on…

High Energy Physics - Phenomenology · Physics 2009-10-31 Harald Fritzsch , Zhi-zhong Xing

Terrestrial matter effects in neutrino propagation are T-invariant, so that any observed T violation when neutrinos pass through the Earth, such as an asymmetry between the transition probabilities P(nu_mu -> nu_e) and P(nu_e -> nu_mu),…

High Energy Physics - Phenomenology · Physics 2014-11-17 P. F. Harrison , W. G. Scott

I introduce a simple phenomenological model of lepton flavor mixing and CP violation based on the flavor democracy of charged leptons and the mass degeneracy of neutrinos. The nearly bi-maximal mixing pattern, which can interpret current…

High Energy Physics - Phenomenology · Physics 2009-10-31 Zhi-zhong Xing

A realistic medium- or long-baseline neutrino experiment may suffer from terrestrial matter effects which are likely to contaminate the genuine T-violating asymmetry between \nu_\alpha \to \nu_\beta and \nu_\beta \to \nu_\alpha…

High Energy Physics - Phenomenology · Physics 2015-06-15 Zhi-zhong Xing

In the absence of a fundamental principle preventing charged lepton flavour violation, one expects that extensions of the Standard Model accommodating neutrino masses and mixings should also allow for charged lepton flavour violating…

High Energy Physics - Phenomenology · Physics 2015-06-03 A. Abada

If massive neutrinos are Majorana particles, then the lepton number should be violated and neutrino-antineutrino oscillations will take place. In this talk, we present the properties of CP violation in neutrino-antineutrino oscillations…

High Energy Physics - Phenomenology · Physics 2022-09-12 Yilin Wang , Shun Zhou

We calculate the rephasing invariants of CP and T violation in a favorable parametrization of the 4x4 lepton flavor mixing matrix. Their relations with the CP- and T-violating asymmetries in neutrino oscillations are derived, and the matter…

High Energy Physics - Phenomenology · Physics 2009-11-07 Wan-lei Guo , Zhi-zhong Xing

We discuss time reversal (T) violation in neutrino oscillations in generic new physics scenarios. A general parameterization is adopted to describe flavour evolution, which captures a wide range of new physics effects, including…

High Energy Physics - Phenomenology · Physics 2022-03-14 Thomas Schwetz , Alejandro Segarra

Assuming that CPT is violated in the neutrino sector seems to be a viable alternative to sterile neutrinos when it comes to reconciling the LSND anomaly with the remainder of the neutrino data. There are different (distinguishable) ways of…

High Energy Physics - Phenomenology · Physics 2009-11-07 Andre de Gouvea

We examine the parameter space region of the inverse seesaw model that is consistent with neutrino oscillation data. We focus on the correlation between the current limits from the search of the $\mu\to e\gamma$ lepton flavor violating…

High Energy Physics - Phenomenology · Physics 2023-08-28 J. C. Garnica , G. Hernández-Tomé , E. Peinado

I follow a lesson learnt from Heisenberg's matrix Quantum Mechanics to study the property of lepton flavor mixing and CP violation. I show that the commutator of lepton mass matrices defined in vacuum keeps invariant under terrestrial…

High Energy Physics - Phenomenology · Physics 2015-06-25 Zhi-zhong Xing

We show how models of neutrino masses and mixings can be differentiated on the basis of their predictions for $\theta_{13}$ and lepton flavor violation in radiative charged lepton decays and $\mu - e$ conversion. We illustrate the lepton…

High Energy Physics - Phenomenology · Physics 2009-03-09 Carl H. Albright
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