English
Related papers

Related papers: Probing Leptonic Models at the LHC

200 papers

In a $U(1)_{R-L}$-symmetric supersymmetric model, pseudo-Dirac bino and wino can act like right-handed neutrinos, generating the light neutrino masses through a hybrid Type I + III inverse seesaw mechanism. We investigate such a model to…

High Energy Physics - Phenomenology · Physics 2026-01-01 Cem Murat Ayber , Tammi Chowdhury , Seyda Ipek

In the framework of such basic principles as local gauge invariance, unification of the weak and electromagnetic interactions and spontaneous symmetry breaking in the Standard Model the most economical and simplest possibilities are…

High Energy Physics - Phenomenology · Physics 2019-07-10 S. Bilenky

We investigate the sources of neutrino mass generation in Little Higgs theories, by confining ourselves to the "Littlest Higgs" scenario. Our conclusion is that the most satisfactory way of incorporating neutrino masses is to include a…

High Energy Physics - Phenomenology · Physics 2009-11-11 Tao Han , Heather E. Logan , Biswarup Mukhopadhyaya , Raghavendra Srikanth

We have investigated in detail a model that contains an additional SU(2) singlet and triplet scalar fields than the Standard Model (SM). This allows the radiative generation of Majorana neutrino masses at two-loop order with the help of…

High Energy Physics - Phenomenology · Physics 2009-01-06 Chian-Shu Chen , C. Q. Geng , J. N. Ng , J. M. S. Wu

We for the first time map the range of active-sterile neutrino mixing angles in which leptogenesis is possible in the type I seesaw model with three heavy neutrinos with Majorana masses between 50 MeV and 100 TeV, covering the entire…

High Energy Physics - Phenomenology · Physics 2022-02-03 Marco Drewes , Yannis Georis , Juraj Klarić

The high center-of-mass energy at the LHC provides the opportunity to test the predictions of some of the beyond the standard model theories. We provide an overview of a selected number of searches for new fermions and new bosons with the…

High Energy Physics - Experiment · Physics 2019-08-13 Petra Van Mulders

The existence of tiny neutrino masses and flavor mixings can be explained naturally in various seesaw models, many of which typically having additional Majorana type SM gauge singlet right handed neutrinos ($N$). If they are at around the…

High Energy Physics - Phenomenology · Physics 2018-02-20 Arindam Das , Partha Konar , Arun Thalapillil

The mediators of neutrino mass generation can provide a probe of neutrino properties at the next round of high-energy hadron (FCC-hh) and lepton colliders (FCC-ee/ILC/CEPC/CLIC). We show how the decays of the Higgs triplet scalars mediating…

High Energy Physics - Phenomenology · Physics 2022-04-26 Sanjoy Mandal , O. G. Miranda , G. Sanchez Garcia , J. W. F. Valle , Xun-Jie Xu

In this talk we explore the possibility that the smallness of the observed neutrino masses is naturally understood in a modified version of the standard model with N extra generations of fermions and N right-handed neutrinos, in which light…

High Energy Physics - Phenomenology · Physics 2014-10-15 A. Aparici , J. Herrero-Garcia , N. Rius , A. Santamaria

Restrictions on the neutrino masses and lepton mixing are reviewed. Solar, atmospheric and relic neutrinos give the indications of existence of nonzero neutrino masses and mixing. The data pick up two regions of mixing angles which are or…

High Energy Physics - Phenomenology · Physics 2009-09-25 Alexei Yu. Smirnov

We discuss ways to probe the origin of neutrino masses at the Energy and Intensity frontiers, in TeV-scale left-right seesaw models where small neutrino masses arise via type-I seesaw mechanism. We consider generic ('vanilla') version of…

High Energy Physics - Phenomenology · Physics 2013-09-25 P. S. Bhupal Dev , R. N. Mohapatra

We provide the first systematic study of the viable parameter space for leptogenesis in the type-I seesaw model with three right-handed neutrinos whose Majorana masses lie below the electroweak scale. We highlight the very rich…

High Energy Physics - Phenomenology · Physics 2019-05-01 Michele Lucente , Asmaa Abada , Giorgio Arcadi , Valerie Domcke , Marco Drewes , Juraj Klaric

Tiny neutrino masses can arise naturally via loop diagrams. After a brief review of the radiative mass generation mechanism, I present a new model wherein TeV scale leptoquark scalars induce neutrino masses via two--loop diagrams. This…

High Energy Physics - Phenomenology · Physics 2015-03-19 K. S. Babu

Recent (first or/and the best) results from the neutrino experiments are reviewed and their implications for the theory are discussed. The sense of the experiments is the searching for neutrino masses, mixing and interactions beyond the…

High Energy Physics - Phenomenology · Physics 2009-09-25 Alexei Yu. Smirnov

The origin of neutrino masses can be simply attributed to a new scalar beyond the Standard Model. We demonstrate that leptogenesis can explain the baryon asymmetry of the universe already in such a minimal framework, where the electroweak…

High Energy Physics - Phenomenology · Physics 2025-08-06 Shinya Kanemura , Shao-Ping Li

The FASER{\nu} experiment has detected the first neutrino events coming from LHC. Near future high-statistic neutrino samples will allow us to search for new physics within the neutrino sector. Motivated by the forthcoming promising…

High Energy Physics - Phenomenology · Physics 2024-01-11 Jesús Miguel Celestino-Ramírez , F. J. Escrihuela , L. J. Flores , O. G. Miranda

We derive the lower bound on absolute scale of lightest neutrino mass for normal hierarchy and inverted hierarchy pattern of light neutrinos by studying the new physics contributions to charged lepton flavour violating decays and…

High Energy Physics - Phenomenology · Physics 2022-07-25 Prativa Pritimita , Urjit A. Yajnik , Nitali Dash , Sudhanwa Patra

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

Lepton flavour violation and neutrino masses are a signal for new Physics beyond the Standard Model and are deeply related. The minimal extension of the Standard Model to make it include neutrino masses is not satisfactory from a conceptual…

High Energy Physics - Phenomenology · Physics 2011-07-29 J. N. Esteves

Properties of neutrinos may be the origin of the matter-antimatter asymmetry of the universe. In the seesaw model for neutrino masses this leads to important constraints on the properties of light and heavy neutrinos. In particular, an…

High Energy Physics - Phenomenology · Physics 2011-08-17 W. Buchmuller , P. Di Bari , M. Plumacher