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Related papers: Leptonic Unitarity Triangles

200 papers

We review the idea of leptonic unitary triangles and extend the concept of the recently proposed unitary boomerangs to the lepton sector. Using a convenient parameterization of the lepton mixing, we provide approximate expressions for the…

High Energy Physics - Phenomenology · Physics 2014-11-21 Alexander Dueck , Serguey Petcov , Werner Rodejohann

Non-unitary neutrino mixing implies an extra CP violating phase that can fake the leptonic Dirac CP phase $\delta_{CP}$ of the simplest three-neutrino mixing benchmark scheme. This would hinder the possibility of probing for CP violation in…

High Energy Physics - Phenomenology · Physics 2017-03-03 Shao-Feng Ge , Pedro Pasquini , M. Tortola , J. W. F. Valle

We propose a new pattern of the neutrino mixing matrix which can be parametrized as the product of an arbitrary Hermitian matrix and the well-known tri-bimaximal mixing matrix. In this scenario, nontrivial values of the smallest neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 Shu Luo

We derive predictions for the Dirac phase $\delta$ present in the $3\times 3$ unitary neutrino mixing matrix $U = U_e^{\dagger} \, U_{\nu}$, where $U_e$ and $U_{\nu}$ are $3\times 3$ unitary matrices which arise from the diagonalisation,…

High Energy Physics - Phenomenology · Physics 2015-11-10 I. Girardi , S. T. Petcov , A. V. Titov

We discuss in detail different future long baseline neutrino oscillation setups and we show the remarkable potential for very precise measurements of mass splittings and mixing angles. Furthermore it will be possible to make precise tests…

High Energy Physics - Phenomenology · Physics 2009-11-07 Manfred Lindner

We explore the prospects of observing leptonic CP violation in a neutrino factory in the context of a scenario with three strongly oscillating neutrinos able to account for the solar, the atmospheric and the LSND results. We address also…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. Barenboim , F. Scheck

Within the framework of three generations of leptons the schematical method for estimating CP asymmetry in neutrino oscillations is considered. We introduce a unitarity triangle corresponding to \nu_e-\nu_{\mu} oscillation, in addition, we…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Kimura , A. Takamura

The expected high sensitivities of future neutrino oscillation experiments will allow precision tests of unified theories of flavour. In order to compare GUT scale predictions for neutrino masses, leptonic mixing angles and CP violating…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Antusch

In this talk I review the present status of neutrino masses and mixing and some of their implications for particle physics phenomenology. I first discuss the minimum extension of the Standard Model of particle physics required to…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. C. Gonzalez-Garcia

We present a systematic procedure to establish a connection between complex neutrino mass matrix textures and experimental observables, including the Dirac CP phase. In addition, we illustrate how future experimental measurements affect the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Walter Winter

In the light of the recent measurement of the leptonic mixing angle $\theta_{13}$, implications of the latest mixing data have been investigated for non-minimal textures of lepton mass matrices pertaining to Dirac neutrinos. All these…

High Energy Physics - Phenomenology · Physics 2014-02-05 Samandeep Sharma , Priyanka Fakay , Gulsheen Ahuja , Manmohan Gupta

We obtain analytical formulas which connect the neutrino masses and the leptonic mixing matrix with the entries in the mass matrix for the approximation in which the charged lepton mixing matrix is the unit matrix. We also extract the CP…

High Energy Physics - Phenomenology · Physics 2013-12-10 Renata Jora , Joseph Schechter , M. Naeem Shahid

Following analogy of the `db' triangle in the quark mixing case, we have explored the construction of the `\nu_2.\nu_3' leptonic unitarity triangle using the Maki-Nakagawa-Sakata matrix obtained by Bjorken {\it et al.} through…

High Energy Physics - Phenomenology · Physics 2008-11-26 Gulsheen Ahuja , Manmohan Gupta

Neutrino physics is nowadays receiving more and more attention as a possible source of information for the long--standing investigation of new physics beyond the Standard Model. The rather recent measurement of the third mixing angle…

High Energy Physics - Phenomenology · Physics 2016-09-22 Luca Stanco

Neutrino experiments can be considered sensitive tools to test Lorentz and CPT invariance. Taking advantage of the great variety of neutrino experiments, including neutrino oscillations, weak decays, and astrophysical neutrinos, the generic…

High Energy Physics - Phenomenology · Physics 2016-10-31 Jorge S. Diaz

We investigate the sensitivities of future neutrino oscillation experiments for measuring the neutrino mass squared differences and leptonic mixing angles independently with neutrinos and anti-neutrinos. We update the expected sensitivities…

High Energy Physics - Phenomenology · Physics 2008-12-10 S. Antusch , E. Fernandez-Martinez

The prospects of measuring the leptonic angles and CP-odd phases at a neutrino factory are discussed in two scenarios: 1) three active neutrinos as indicated by the present ensemble of atmospheric plus solar data; 2) three active plus one…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Donini , M. B. Gavela , P. Hernandez , S. Rigolin , -

The measurement of the mixing angle \theta_{13}, sign of \Delta m^2_{13} and the CP or T violating phase \delta is fraught with ambiguities in neutrino oscillation. In this paper we give an analytic treatment of the paramater degeneracies…

High Energy Physics - Phenomenology · Physics 2009-11-07 Hisakazu Minakata , Hiroshi Nunokawa , Stephen Parke

Deviations from unitarity of the CKM matrix in the quark sector are considered excellent windows to probe physics beyond the Standard Model. In its leptonic counterpart, the PMNS matrix, these searches are particularly motivated, as the new…

Searches for Lorentz and CPT violation using neutrino oscillations and the prospects for future tests using neutrino time-of-flight measurements and beta-decay experiments are presented.

High Energy Physics - Phenomenology · Physics 2017-08-23 Jorge S. Diaz