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In the present paper, we carry out a systematic study of the flavor invariants and their renormalization-group equations (RGEs) in the leptonic sector with three generations of charged leptons and massive Majorana neutrinos. First,…

High Energy Physics - Phenomenology · Physics 2021-09-13 Yilin Wang , Bingrong Yu , Shun Zhou

We derive a set of renormalization group equations (RGE) for Dirac neutrinos using a rephasing invariant parametrization. The symmetric properties of these equations under flavor permutation facilitate the derivation of some exact and…

High Energy Physics - Phenomenology · Physics 2015-12-15 S. H. Chiu

In the minimal supersymmetric standard model, we have studied the evolution of the neutrino flavor mixing by using the renormalization group equation(RGE) with the Georgi-Jarlskog texture for the Yukawa coupling matrices.For the large…

High Energy Physics - Phenomenology · Physics 2009-10-28 M. Tanimoto

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

We point out that the $\tau$-lepton dominance in the one-loop renormalization-group (RG) equations of neutrino mixing quantities allows us to set a criterion to choose the most suitable parametrization of the lepton flavor mixing matrix…

High Energy Physics - Phenomenology · Physics 2011-04-12 Zhi-zhong Xing

Recently, a complete set of differential equations for the effective neutrino masses and mixing parameters in matter have been derived to characterize their evolution with respect to the ordinary matter term $a \equiv 2\sqrt{2}G^{}_{\rm F}…

High Energy Physics - Phenomenology · Physics 2019-05-09 Xin Wang , Shun Zhou

We study the renormalization group equations (RGEs) of the neutrino parameters in models of Minimal Lepton Flavor Violation. In such models, the RGEs can be described in terms of flavor spurions, such that only the coefficients depend on…

High Energy Physics - Phenomenology · Physics 2015-05-28 Yuval Grossman , Shamayita Ray

In terms of a rephasing invariant parametrization, the set of renormalization group equations (RGE) for Dirac neutrino parameters can be cast in a compact and simple form. These equations exhibit manifest symmetry under flavor permutations.…

High Energy Physics - Phenomenology · Physics 2016-07-26 S. H. Chiu , T. K. Kuo

We borrow the general idea of renormalization-group equations (RGEs) to understand how neutrino masses and flavor mixing parameters evolve when neutrinos propagate in a medium, highlighting a meaningful possibility that the genuine flavor…

High Energy Physics - Phenomenology · Physics 2018-05-07 Zhi-zhong Xing , Shun Zhou , Ye-Ling Zhou

Within the framework of the standard model plus one heavy Higgs triplet, we derive a full set of one-loop renormalization group equations of the neutrino mass matrix and Higgs couplings in both full and effective theories. The explicit RGEs…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wei Chao , He Zhang

Given the Dirac neutrino mass term, we explore the constraint conditions which allow the corresponding mass matrix to be invariant under the \mu-\tau reflection transformation, leading us to the phenomenologically favored predictions…

High Energy Physics - Phenomenology · Physics 2018-01-17 Zhi-zhong Xing , Di Zhang , Jing-yu Zhu

We calculate two-loop renormalization group equations (RGEs) in the Standard Model Effective Field Theory (SMEFT) with right-handed neutrinos, i.e., the so-called $\nu$SMEFT, up to dimension five. Besides the two-loop RGEs of dimension-five…

High Energy Physics - Phenomenology · Physics 2025-05-07 Di Zhang

In an analytical way of studying matter effects on neutrino oscillations, the Naumov and Toshev relations have been derived to respectively link the Jarlskog invariant of CP violation and the Dirac phase in the standard parametrization of…

High Energy Physics - Phenomenology · Physics 2018-08-23 Zhi-zhong Xing , Shun Zhou

Guided by considerations of flavour symmetry, we construct a set of exact Standard Model (SM) renormalisation group evolution invariants which link quark masses and mixing parameters. We examine their phenomenological implications and infer…

High Energy Physics - Phenomenology · Physics 2010-12-13 P. F. Harrison , R. Krishnan , W. G. Scott

We investigate the renormalisation group effects induced on neutrino mass and mixing parameters in a triplet-extended minimal supersymmetric standard model where a vector-like pair of hypercharge $\pm 1$ triplet superfields is added. We…

High Energy Physics - Phenomenology · Physics 2014-11-20 F. R. Joaquim

In the context of the minimal supersymmetric extension of the Standard Model with the right-handed Majorana neutrinos, we study lepton flavor violating processes including full renormalization group running effects. We systematically…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. T. Petcov , S. Profumo , Y. Takanishi , C. E. Yaguna

We perform a detailed study of the renormalization group equations in the inverse seesaw model. Especially, we derive compact analytical formulas for the running of the neutrino parameters in the standard model and the minimal…

High Energy Physics - Phenomenology · Physics 2012-07-09 Johannes Bergstrom , Michal Malinsky , Tommy Ohlsson , He Zhang

Extending the Standard Model (SM) with three right-handed neutrinos, the type-I seesaw model serves as the simplest and most natural scenario to successfully explain both tiny neutrino masses and the baryon number asymmetry in the Universe.…

High Energy Physics - Phenomenology · Physics 2026-01-06 Jihong Huang , Shun Zhou

We derive the renormalization group equations (RGE) for the flavour coupling matrices of the effective dimension-five operators which yield Majorana neutrino masses in the multi-Higgs-doublet Standard Model; in particular, we consider the…

High Energy Physics - Phenomenology · Physics 2011-07-19 W. Grimus , L. Lavoura

We derive one-loop renormalization group equations (RGE's) for Yukawa coupling parameters of quarks and for the vacuum expectation values of the Higgs doublets in a general framework of the Standard Model with two Higgs doublets (2HDM…

High Energy Physics - Phenomenology · Physics 2009-10-30 G. Cvetic , C. S. Kim , S. S. Hwang
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