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A low-energy non-unitary leptonic mixing matrix is a generic effect of a large class of theories accounting for neutrino masses. It is shown how the extra CP-odd phases of a general non-unitary matrix allow for sizeable CP-asymmetries in…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Fernandez-Martinez , M. B. Gavela , J. Lopez-Pavon , O. Yasuda

We determine the elements of the leptonic mixing matrix, without assuming unitarity, combining data from neutrino oscillation experiments and weak decays. To that end, we first develop a formalism for studying neutrino oscillations in…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Antusch , C. Biggio , E. Fernandez-Martinez , M. B. Gavela , J. Lopez-Pavon

We consider a neutrino mass model where all leptonic mixing is induced by a heavy Majorana sector through the seesaw type I mechanism, while the Dirac mass matrices are diagonal. Such a pattern occurs naturally in grand unified theories.…

High Energy Physics - Phenomenology · Physics 2011-08-11 Philipp Leser , Heinrich Päs

This paper tackles the problem of Lipschitz regularization of Convolutional Neural Networks. Lipschitz regularity is now established as a key property of modern deep learning with implications in training stability, generalization,…

Machine Learning · Computer Science 2020-11-10 Alexandre Araujo , Benjamin Negrevergne , Yann Chevaleyre , Jamal Atif

The absence of fermionic, asymptotical one-particle states in the Luttinger model raises the suspicion that the interactions are actually strong at the vicinity of the Fermi points. The functional internal space renormalization group…

Strongly Correlated Electrons · Physics 2007-05-23 Janos Polonyi , Franck Stauffer

Assuming the same form of all mass matrices as motivated by quark-lepton symmetry, we discuss conditions under which bi-large mixing in the lepton sector can be obtained with a minimal amount of fine tuning requirements for possible models.…

High Energy Physics - Phenomenology · Physics 2009-11-10 Radovan Dermisek

Assuming high-energy tri-bi-maximal mixing we study the radiative running of leptonic mixing angles and obtain limits on the high-energy scale from requiring consistency with the observed mixing. We construct a model in which a non-Abelian…

High Energy Physics - Phenomenology · Physics 2010-04-15 Ivo de Medeiros Varzielas

The renormalization evolution of all parameters in the neutrino mass matrix depends only on one variable, the energy scale. This fact, coupled with rephasing considerations, leads to a set of renormalization invariants, correlating the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Sanghyeon Chang , T. K. Kuo

The renormalization of vector and axial-vector currents for massive fermions (in the ``Fermilab formalism'') is discussed. We give results for non-degenerate masses, which are needed for semi-leptonic form factors.

High Energy Physics - Lattice · Physics 2009-10-31 A. S. Kronfeld , S. Hashimoto

A wide class of models involve the fine--tuning of significant hierarchies between a strong--coupling ``compositeness'' scale, and a low energy dynamical symmetry breaking scale. We examine the issue of whether such hierarchies are…

High Energy Physics - Theory · Physics 2011-07-19 W. A. Bardeen , C. T. Hill , D. -U. Jungnickel

Triangular mass matrices for neutrinos and their charged partners contain full information on neutrino mixing in a most concise form. Although the scheme is general and model independent, triangular matrices are typical for reducible but…

High Energy Physics - Phenomenology · Physics 2016-08-15 R. Häußling , M. Paschke , F. Scheck

We investigate the renormalization group evolution of masses and mixing angles of Majorana neutrinos under the `High Scale Mixing Unification' hypothesis. Assuming the unification of quark-lepton mixing angles at a high scale, we show that…

High Energy Physics - Phenomenology · Physics 2014-05-23 Gauhar Abbas , Saurabh Gupta , G. Rajasekaran , Rahul Srivastava

The theory of formal power series and derivation is developed from the point of view of the power matrix. A Loewner equation for formal power series is introduced. We then show that the matrix exponential is surjective onto the group of…

Complex Variables · Mathematics 2009-07-10 Eric Schippers

This is an expository account of Balaban's approach to the renormalization group. The method is illustrated with a treatment of the the ultraviolet problem for the scalar phi^4 model on a toroidal lattice in dimension d=3. This yields…

Mathematical Physics · Physics 2017-01-25 J. Dimock

Lepton mixing can originate from the breaking of a flavor symmetry in different ways in the neutrino and the charged lepton sector. We propose an extension of this framework which allows to connect the mixing parameters with masses, and…

High Energy Physics - Phenomenology · Physics 2013-11-27 D. Hernandez , A. Yu. Smirnov

For two flavors, the seesaw matrix can be identified with a two dimensional representation of the Lorentz group. This analogy facilitates the computation of physical neutrino parameters, while giving an intuitive understanding of the…

High Energy Physics - Phenomenology · Physics 2009-12-30 T. K. Kuo , Guo-Hong Wu , Shao-Hsuan Chiu

Symmetry-based ideas, such as the quark-lepton complementarity (QLC) principle and the tri-bimaximal mixing (TBM) scheme, have been proposed to explain the observed mixing pattern of neutrinos. We argue that such symmetry relations need to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Amol Dighe , Srubabati Goswami , Probir Roy

It is possible to extract values for critical couplings and gamma_string in matrix models by deriving a renormalization group equation for the variation of the of the free energy as the size N of the matrices in the theory is varied. In…

High Energy Physics - Theory · Physics 2009-10-28 D. Johnston

A new lattice Boltzmann model for reactive ideal gas mixtures is presented. The model is an extension to reactive flows of the recently proposed multi-component lattice Boltzmann model for compressible ideal gas mixtures with Stefan-Maxwell…

Fluid Dynamics · Physics 2021-01-06 N. Sawant , B. Dorschner , I. V. Karlin

The one-loop renormalization-group equations (RGEs) running behavior of quark and lepton mass matrices with general structures are studied simultaneously. Suppose the non-linear terms of RGEs are dominated by the Yukawa couplings of top…

High Energy Physics - Phenomenology · Physics 2019-08-28 Zhi-cheng Liu