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If the minimal standard model of particle interactions is extended to include a scalar triplet with lepton number $L=-2$ and a scalar doublet with $L=-1$, neutrino masses $m_\nu \sim \mu_{12}^4 v^2/M^5 \sim 10^{-2}$ eV is possible, where $v…

高能物理 - 唯象学 · 物理学 2009-11-07 Ernest Ma

Next generation neutrino oscillation experiments will need a quantitative understanding of neutrino-nucleus interaction far better than ever. Kinematics covered by the relevant neutrino-nucleus interaction spans wide region, from the…

高能物理 - 唯象学 · 物理学 2017-02-28 S. X. Nakamura , Y. Hayato , M. Hirai , H. Kamano , S. Kumano , M. Sakuda , K. Saito , T. Sato

Neutrino-electron scattering is a purely leptonic fundamental interaction and therefore provides an important channel to test the Standard Model, especially at the low energy-momentum transfer regime. We derived constraints on neutrino…

高能物理 - 实验 · 物理学 2017-03-08 M. Deniz , B. Sevda , S. Kerman , A. Ajjaq , L. Singh , H. T. Wong , M. Zeyrek

We analyze the lepton sector of a Left-Right Model based on the gauge group SU(2)_L x SU(2)_R x U(1), concentrating mainly on neutrino properties. Using the seesaw mechanism and a horizontal symmetry, we keep the right-handed symmetry…

高能物理 - 唯象学 · 物理学 2009-11-11 Ken Kiers , Michael Assis , David Simons , Alexey A. Petrov , Amarjit Soni

We present a model for lepton masses and mixing angles using the deconstruction setup, based on a non-Abelian flavor symmetry which is a split extension of the Klein group. The symmetries enforce an approximately maximal atmospheric mixing…

高能物理 - 唯象学 · 物理学 2007-05-23 Gerhart Seidl

If the Standard Model particle content is extended by gauge singlet fermions (right-handed neutrinos), active neutrinos generically acquire (Majorana) masses, in agreement with our current understanding of the lepton sector. If the…

高能物理 - 唯象学 · 物理学 2007-07-11 Andre de Gouvea

The correct quark and charged lepton mass matrices along with a nearly correct CKM matrix may be naturally accommodated in a Pati-Salam model constructed from intersecting D6 branes on a $T^6/(\Z_2 \times \Z_2)$ orientifold. Furthermore,…

高能物理 - 唯象学 · 物理学 2020-01-01 Jordan Gemmill , Evan Howington , Van E. Mayes

We study a model for the mass matrices of the leptons. We are ablte to relate the mass eigenvalues of the charged leptons and of the neutrinos to the mxiing angles and can predict the masses of the neutrinos. We find a normal hierarchy -the…

高能物理 - 唯象学 · 物理学 2010-04-21 H. Fritzsch

In this work, we investigate the possibility of probing a class of neutrino mass models at the LHC proton-proton collisions with 8 and 14 TeV energies. The existence of lepton flavor violating interactions for a singlet charged scalar,…

高能物理 - 唯象学 · 物理学 2016-05-30 Chahrazed Guella , Dounia Cherigui , Amine Ahriche , Salah Nasri , Rachik Soualah

Fermion masses and mixing angles including that of neutrinos are studied in a model with symmetry group SUSY $SO(10)\times \Delta (48) \times U(1)$. Universality of Yukawa coupling of superfields is assumed. The resulting texture of mass…

高能物理 - 唯象学 · 物理学 2007-05-23 K. C. Chou , Y. L. Wu

Within the left-right symmetric model (LRM) the $Z$ boson decay into the channel $Z\to\tau\mu$ are investigated. The branching ratios of this decay is found in the third order of the perturbation theory. The obtained expression does not…

高能物理 - 唯象学 · 物理学 2019-02-06 O. M. Boyarkin , G. G. Boyarkina , D. S. Vasileuskaya

We review the low energy constraints on type I see-saw extensions of the Standard Model in which the scale of new physics, associated to lepton number violation, can be probed at current collider searches. In such scenarios, the flavour…

高能物理 - 唯象学 · 物理学 2011-11-15 Emiliano Molinaro

Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) has been experimentally confirmed using neutrinos from pion decay at rest, solar neutrinos and reactor antineutrinos. Future CE$\nu$NS experiments will foreseeable lead to precision…

高能物理 - 唯象学 · 物理学 2026-05-27 Salvador Centelles Chuliá , Manfred Lindner , Thomas Rink

We study the impact of TeV-scale sterile neutrinos on electro-weak precision observables and lepton number and flavour violating decays in the framework of a type-I see-saw extension of the Standard Model. At tree level sterile neutrinos…

高能物理 - 唯象学 · 物理学 2013-12-20 Evgeny Akhmedov , Alexander Kartavtsev , Manfred Lindner , Lisa Michaels , Juri Smirnov

We propose an $SU(3)_C\times SU(2)_L\times U(1)_{Y}\times U(1)_{B-L}$ model, in which the neutrino masses and mixings can be generated via Type-I seesaw mechanism after $U(1)_{B-L}$ breaking. A light mediator emerges and enables…

高能物理 - 唯象学 · 物理学 2022-12-14 Yugen Lin , Yu Gao , Tianjun Li

The interactions of low-energy neutrinos with nuclei provide a unique window to explore various Standard Model (SM) and Beyond the Standard Model (BSM) processes. In particular, the recent observation of coherent elastic neutrino-nucleus…

高能物理 - 唯象学 · 物理学 2024-12-25 S. Carey , V. Pandey

Next generation kilometer-scale neutrino telescopes, such as ICECUBE, can test standard model predictions for neutrino-nucleon cross sections at energies well beyond the reach of collider experiments. At energies near a PeV and higher, the…

高能物理 - 唯象学 · 物理学 2009-11-07 Dan Hooper

We place limits on scalar and vector unparticle couplings to electrons and neutrinos using data from reactor neutrino experiments originally designed to search for neutrino magnetic moment. Upper bounds on Standard Model lepton-scalar…

高能物理 - 唯象学 · 物理学 2008-11-26 A. B. Balantekin , K. O. Ozansoy

Angular-energy distributions are studied for charged leptons and neutrinos from the decays of polarised top quarks. A small admixture of V+A interactions is incorporated. The polarisation dependent part of the neutrino distribution which…

高能物理 - 唯象学 · 物理学 2009-10-28 M. Jeżabek , J. H. Kühn

We discuss the sensitivity of neutrino experiments at the luminosity frontier to generic hidden sectors containing new (sub)-GeV neutral states. The weak interaction of these states with the Standard Model can be efficiently probed through…

高能物理 - 唯象学 · 物理学 2013-05-29 Brian Batell , Maxim Pospelov , Adam Ritz