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We review the present state of and future outlook for our understanding of neutrino masses and mixings. We discuss what we think are the most important perspectives on the plausible and natural scenarios for neutrinos and what may have the…

高能物理 - 唯象学 · 物理学 2008-11-26 R. N. Mohapatra , A. Y. Smirnov

The existence of right-handed neutrinos follows from theoretical consistence of the recently suggested electroweak symmetry breaking model, based on dynamical flavor gauge symmetry breaking. Only finite number of versions of the model…

高能物理 - 唯象学 · 物理学 2011-12-08 Adam Smetana

It is proposed that all flavor mixing is caused by the mixing of the three quark and lepton families with vectorlike fermions in 5 + 5-bar multiplets of SU(5). This simple assumption implies that both V_{CKM} and U_{MNS} are generated by a…

高能物理 - 唯象学 · 物理学 2015-06-11 S. M. Barr , Heng-Yu Chen

We show that, in the relativistic limit, the quantum theory of neutrino oscillations can be described through the theory of weak measurements with pre and post-selection. The weak nature of neutrino detection allows simultaneous…

量子物理 · 物理学 2022-05-26 Yago P. Porto-Silva , Marcos C. de Oliveira

In the canonical seesaw framework flavor mixing and CP violation in weak charged-current interactions of light and heavy Majorana neutrinos are correlated with each other and described respectively by the $3\times 3$ matrices $U$ and $R$.…

高能物理 - 唯象学 · 物理学 2022-06-22 Zhi-zhong Xing

Behind the observed pattern of lepton flavor mixing is a partial or approximate mu-tau flavor symmetry --- a milestone on our road to the true origin of neutrino masses and flavor structures. In this review article we first describe the…

高能物理 - 唯象学 · 物理学 2016-07-22 Zhi-zhong Xing , Zhen-hua Zhao

Predicting the flavor composition of neutrinos from supernovae is a challenging task, primarily due to the high neutrino densities at their core. In such an environment, neutrino self-interactions give rise to collective effects that have…

高能物理 - 唯象学 · 物理学 2025-06-03 Antonio Capanema , Yago Porto , Maria Manuela Saez

We explore the implications of symmetries that remain unbroken at the self-dual point $\tau=i$ in modular invariant theories. Assuming that (a) the three generations of lepton doublets transform as an irreducible representation of a finite…

高能物理 - 唯象学 · 物理学 2024-10-02 Monal Kashav , Ketan M. Patel

Thermal leptogenesis, in the seesaw model, is a popular mechanism for generating the Baryon Asymmetry of the Universe. It was noticed recently, that including lepton flavour can modify significantly the results. These proceedings aim to…

高能物理 - 唯象学 · 物理学 2007-05-23 Sacha Davidson

We study the flavor structure of the lepton and baryon number--conserving dimension-6 operators in the Standard Model effective field theory (SMEFT). Building on the work of [1], we define several well-motivated flavor symmetries and…

高能物理 - 唯象学 · 物理学 2023-05-26 Admir Greljo , Ajdin Palavrić , Anders Eller Thomsen

We study thermal leptogenesis in classes of neutrino mass models based on the seesaw mechanism with three right-handed neutrinos and sequential right-handed neutrino dominance. The flavour-dependent Boltzmann equations are solved…

高能物理 - 唯象学 · 物理学 2009-11-11 S. Antusch , S. F. King , A. Riotto

Flavour symmetries have been used to constrain both quark and lepton mixing parameters. In particular, they can be used to completely fix the mixing angles. For the lepton sector, assuming that neutrinos are Majorana particles, we have…

高能物理 - 唯象学 · 物理学 2014-10-16 Renato M. Fonseca , Walter Grimus

There are experimental indications of large flavor mixing between $\nu_{\mu }$ and $\nu_{\tau}$. In the unification models, in which the massless sector includes extra particles beyond the standard model, there possibly appear the mixings…

高能物理 - 唯象学 · 物理学 2009-10-30 N. Haba , T. Matsuoka

Anomalies in (semi)leptonic $B$-meson decays present interesting patterns that might be revealing the shape of the new physics to come. In order to understand the experimental data, we explore symmetry arguments that lead to the hypothesis…

高能物理 - 唯象学 · 物理学 2015-05-21 Rodrigo Alonso , Benjamín Grinstein , Jorge Martin Camalich

We propose a third idea for the explanation of the leptonic flavor structure in addition to the prominent approaches based on flavor symmetry and anarchy. Typical flavor patterns can be modeled by using mass spectra obtained from the…

高能物理 - 唯象学 · 物理学 2012-11-30 Thomas W. Kephart , Philipp Leser , Heinrich Päs

Flavour physics plays a central role in the search for physics beyond the Standard Model, posing fundamental questions whose answers may point to new physics scales far above the electroweak scale. The flavour structure of the Standard…

高能物理 - 唯象学 · 物理学 2025-08-07 Wolfgang Altmannshofer , Peter Stangl

We present a derivation of the flavor neutrino states which describe neutrinos produced or detected in charged-current weak-interaction processes, including those operating in neutrino oscillation experiments. We also present a covariant…

高能物理 - 唯象学 · 物理学 2017-08-23 Carlo Giunti

In this paper, we give a model for understanding flavor physics in the lepton sector--mass hierarchy among different generations and neutrino mixing pattern. The model is constructed in the framework of supersymmetry, with a family symmetry…

高能物理 - 唯象学 · 物理学 2012-12-03 Zhen-hua Zhao

We revisit a supersymmetric flavor model based on the symmetries $SU(2)_L \times A_4 \times Z_3 \times U(1)_R$, which extends the original Altarelli and Feruglio construction by introducing flavon and driving superfields responsible for the…

高能物理 - 唯象学 · 物理学 2025-12-10 Takaaki Nomura , Yusuke Shimizu , Towa Takahashi