English
Related papers

Related papers: Deviations from Tri-Bimaximality and Quark-Lepton …

200 papers

We have studied how observables of the neutrino mixing matrix can link up with the ones in the quark sector. The deviation from the bi-maximal flavor mixing is parameterized using a 3 x 3 unitary matrix. The neutrino mixings are…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. Giunti , M. Tanimoto

Based on a neutrino mass matrix model in which a 2-3 symmetry is only broken by a phase parameter, it is investigated how the lepton mixing matrix can deviate from the so-called tribimaximal mixing under a condition that CP is maximally…

High Energy Physics - Phenomenology · Physics 2014-11-20 Yoshio Koide , Hiroyuki Nishiura

The neutrino oscillation data find a good approximation in the so-called tri-bimaximal pattern. Recently a paper appeared showing that also the bimaximal pattern, which is already ruled out by the measurements, could be a very good starting…

High Energy Physics - Phenomenology · Physics 2010-02-11 Luca Merlo

The solar and baseline neutrino oscillation data suggest bimaximal neutrino mixing among the first two generations, and trimaximal mixing between all three neutrino flavors. It has been conjectured that this indicates the existence of an…

High Energy Physics - Phenomenology · Physics 2011-07-26 G. K. Leontaris , N. D. Vlachos

A unified description of fermionic mixing is proposed which assumes that in certain basis ($i$) a single complex unitary matrix $V$ diagonalizes mass matrices of all fermions to the leading order, ($ii$) the SU(5) relation $M_d=M_l^T$…

High Energy Physics - Phenomenology · Physics 2009-11-11 Anjan S. Joshipura , A. Yu. Smirnov

The phenomenological case for threefold maximal lepton mixing is strengthened by more detailed comparison with existing data. The atmospheric neutrino data are self-consistent and in good agreement with the threefold maximal mixing…

High Energy Physics - Phenomenology · Physics 2009-10-30 P. F. Harrison , D. H. Perkins , W. G. Scott

The observed neutrino mixing, having a near maximal atmospheric neutrino mixing angle and a large solar mixing angle, is close to tri-bi-maximal, putting leptonic mixing in contrast with the small mixing of the quark sector. We discuss a…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. de Medeiros Varzielas

We recently proposed a spontaneous A$_{4}$ flavor symmetry breaking scheme implemented in a warped extra dimensional setup to explain the observed pattern of quark and lepton masses and mixings. The main features of this choice are the…

High Energy Physics - Phenomenology · Physics 2013-07-05 Avihay Kadosh

We propose a scheme of lepton mixing in which the unitary matrix that diagonalizes the neutrino mass matrix is bimaximal and the deviation from bimaximal of the lepton mixing matrix is due to the unitary matrix that diagonalizes the…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. Giunti , M. Tanimoto

We conduct a detailed analysis of the phenomenology of two predictive see-saw scenarios leading to Quark-Lepton Complementarity. In both cases we discuss the neutrino mixing observables and their correlations, neutrinoless double beta decay…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kathrin A. Hochmuth , Werner Rodejohann

We re-analyze charged lepton corrections to neutrino mixing angles and CP phases, carefully including CP phases from the charged lepton sector. We present simple analytical formulae for including the charged lepton corrections and derive…

High Energy Physics - Phenomenology · Physics 2010-04-05 Stefan Antusch , Steve F. King

In this paper, we study the connection between the tribimaximal and bitrimaximal mixing patterns. In doing so, we are forced to work in a non-diagonal charged lepton basis. This leads to several relations that must hold between the lepton…

High Energy Physics - Phenomenology · Physics 2024-08-14 Carlos Alvarado , Janelly Bautista , Alexander J. Stuart

We study the phenomenological implications of breaking the Tri-Bimaximal (TBM) mixing in such a way that either first or second column of TBM mixing matrix remains invariant. We present two such textures and confront them with the…

High Energy Physics - Phenomenology · Physics 2017-08-14 Kanwaljeet S. Channey , Sanjeev Kumar

General structures of the charged lepton and the neutrino mixing matrices leading to tri-bimaximal leptonic mixing are determined. These are then integrated into an SO(10) model within which detailed fits to fermion masses and mixing angles…

High Energy Physics - Phenomenology · Physics 2011-10-10 Anjan S. Joshipura , Ketan M. Patel

We examine relation between neutrino oscillation parameters and prediction of lepton flavor violation, in light of deviations from tri-bimaximal mixing. Our study shows that upcoming experimental searches for lepton flavor violation process…

High Energy Physics - Phenomenology · Physics 2010-04-15 Kentaro Kojima , Hideyuki Sawanaka

We propose a seesaw scenario that possible corrections to the tribimaximal pattern of lepton mixing are due to the small phase splitting of the right-handed neutrino mass matrix. we show that the small deviations can be expressed…

High Energy Physics - Phenomenology · Physics 2010-05-07 Y. F. Li , Q. Y. Liu

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

We argue that there exists simple relation between the quark and lepton mixings which supports the idea of grand unification and probes the underlying robust bi-maximal fermion mixing structure of still unknown flavor physics. In this…

High Energy Physics - Phenomenology · Physics 2008-11-26 Martti Raidal

We calculate finite quantum corrections to the tribimaximal neutrino mixing pattern V_TB in three generic classes of neutrino mass models. We show that three flavor mixing angles can all depart from their tree-level results described by…

High Energy Physics - Phenomenology · Physics 2011-04-22 Takeshi Araki , Chao-Qiang Geng , Zhi-zhong Xing

We model tri-bimaximal lepton mixing from first principles in a way that avoids the problem of the vacuum alignment characteristic of such models. This is achieved by using a softly broken A4 symmetry realized with an isotriplet fermion,…

High Energy Physics - Phenomenology · Physics 2010-04-15 M. Hirsch , S. Morisi , J. W. F. Valle
‹ Prev 1 3 4 5 6 7 10 Next ›