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Neutrino-electron scatterings are purely leptonic processes with robust Standard Model (SM) predictions. Their measurements can therefore provide constraints to physics beyond SM. The $\nuebar$-e data taken at the Kuo-Sheng Reactor Neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-21 M. Deniz er al. , TEXONO Collaboration

There are three observables related to neutrino mass, namely the kinematic mass in direct searches, the effective mass in neutrino-less double beta decay, and the sum of neutrino masses in cosmology. In the limit of exactly degenerate…

High Energy Physics - Phenomenology · Physics 2010-05-12 Werner Rodejohann

The linear seesaw mechanism provides a simple way to generate neutrino masses. In addition to Standard Model particles, it includes quasi-Dirac leptons as neutrino mass mediators, and a leptophilic scalar doublet seeding small neutrino…

High Energy Physics - Phenomenology · Physics 2023-08-21 Aditya Batra , Praveen Bharadwaj , Sanjoy Mandal , Rahul Srivastava , José W. F. Valle

A two higgs doublet model with tree level natural flavor conservation can lead to P and T odd nucleon-nucleon (NN) interaction through tree level Feynman diagrams. In this article we estimate the magnitudes of the parameters that…

High Energy Physics - Phenomenology · Physics 2009-10-30 Uma Mahanta

We investigate the effects of a Non-Standard Interaction (NSI) extension of the standard model of particle physics on solar neutrino flavour oscillations. This NSI model introduces a $U_{Z^\prime}(1)$ gauge symmetry through a $Z^\prime$…

High Energy Physics - Phenomenology · Physics 2023-08-31 Ilídio Lopes

We investigate supersymmetric scenarios in which neutrino masses are generated by effective d=6 operators in the Kahler potential, rather than by the standard d=5 superpotential operator. First, we discuss some general features of such…

High Energy Physics - Phenomenology · Physics 2010-09-07 Andrea Brignole , Filipe R. Joaquim , Anna Rossi

We present predictions for flavour-violating charged-lepton decays induced by the seesaw mechanism implemented within the constrained minimal supersymmetric standard model (CMSSM) with universal input soft supersymmetry breaking terms. We…

High Energy Physics - Phenomenology · Physics 2009-09-11 Piotr H. Chankowski , John Ellis , Stefan Pokorski , Martti Raidal , Krzysztof Turzynski

In this paper we investigate impacts of non-standard neutrino interactions (NSIs) to the limitations on the discovery potential of dark matter in direct detection experiments. New neutrino floors are derived taking into account current…

High Energy Physics - Phenomenology · Physics 2019-08-14 Wei Chao , Jian-guo Jiang , Xuan Wang , Xing-yu Zhang

Neutrino oscillation experiments suggest existence of new flavor-violating interactions in high energy scale. It may be possible to probe them by the flavor- and CP-violating processes in leptons and hadrons in the supersymmetric (SUSY)…

High Energy Physics - Phenomenology · Physics 2009-11-10 Junji Hisano

The latest data of the two long-baseline accelerator experiments NO$\nu$A and T2K, interpreted in the standard 3-flavor scenario, display a discrepancy. A mismatch in the determination of the standard CP-phase $\delta_{\mathrm {CP}}$…

High Energy Physics - Phenomenology · Physics 2021-02-10 Sabya Sachi Chatterjee , Antonio Palazzo

We thoroughly discuss a new supersymmetric grand unified scenario of the triplet seesaw mechanism where the exchange of heavy SU(2)_W triplet states generates both neutrino masses and soft supersymmetry breaking terms. This framework,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Filipe R. Joaquim , Anna Rossi

We explore the effects of non-standard neutrino interactions (NSI) and how they modify neutrino propagation in the Deep Underground Neutrino Experiment (DUNE). We find that NSI can significantly modify the data to be collected by the DUNE…

High Energy Physics - Phenomenology · Physics 2016-06-22 André de Gouvêa , Kevin J. Kelly

In this present study, an extended Delta 54 flavor symmetry model incorporating two standard model Higgs doublets is investigated. This model generates neutrino masses through the triple inverse seesaw mechanism. It predicts deviations from…

High Energy Physics - Phenomenology · Physics 2026-05-13 H. Bora , N. Bharali , R. Sarkar , S. K. Jha , A. Baruah , Ng. K. Francis

The addition of $SU(2)_L$ triplet fermions of zero hypercharge with the Standard Model (SM) helps to explain the origin of the neutrino mass by the so-called seesaw mechanism. Such a scenario is commonly know as the type-III seesaw model.…

High Energy Physics - Phenomenology · Physics 2020-08-12 Arindam Das , Sanjoy Mandal , Tanmoy Modak

This review provides a succinct overview of the basic aspects of neutrino physics. The topics covered include: neutrinos in the standard model and the three-neutrino mixing scheme; the current status of neutrino oscillation measurements and…

High Energy Physics - Phenomenology · Physics 2024-04-03 Alessandro Granelli

We propose a new type of radiative seesaw model in which observed neutrino masses are generated through a three-loop level diagram in combination with tree-level type-II seesaw mechanism in a renormalizable theory. We introduce a…

High Energy Physics - Phenomenology · Physics 2015-06-16 Yuji Kajiyama , Hiroshi Okada , Kei Yagyu

We propose a novel supersymmetric unified scenario of the triplet seesaw mechanism where the exchange of the heavy triplets generates both neutrino masses and soft supersymmetry breaking terms. Our framework is very predictive since it…

High Energy Physics - Phenomenology · Physics 2009-11-11 Filipe R. Joaquim , Anna Rossi

Various phenomenological consequences of seesaw theories for the generation of the fermion mass hierarchy of the Standard Model have been analyzed, with an emphasis on models in which the light-active neutrino masses are derived from…

High Energy Physics - Phenomenology · Physics 2024-12-11 Juan Marchant González

The observation of neutrino oscillation as well as the recent experimental result on lepton flavor universality (LFU) violation in $B$ meson decays are indications of new physics beyond the Standard Model. Many theoretical models, which are…

High Energy Physics - Phenomenology · Physics 2017-02-01 Soumya C. , R. Mohanta

We consider a supersymmetric model where the neutrino mass matrix arises from bilinear and trilinear R-parity violation, both restricted by a $Z_3$ flavor symmetry. Assuming flavor blind soft supersymmetry (SUSY) breaking conditions,…

High Energy Physics - Phenomenology · Physics 2013-05-30 E. Peinado , A. Vicente