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This document presents the latest results for a 3+1 sterile neutrino search using the $10.56 \times 10^{20}$ protons-on-target data set taken from 2005 - 2012. By searching for oscillations driven by a large mass splitting, MINOS is…

High Energy Physics - Experiment · Physics 2016-05-17 Ashley Timmons

A joint effort of cryogenic microcalorimetry (CM) and high-precision Penning-trap mass spectrometry (PT-MS) in investigating atomic orbital electron capture (EC) can shed light on the possible existence of heavy sterile neutrinos with…

High Energy Physics - Phenomenology · Physics 2015-06-18 P. E. Filianin , K. Blaum , S. A. Eliseev , L. Gastaldo , Yu. N. Novikov , V. M. Shabaev , I. I. Tupitsyn , J. Vergados

The phenomenon of neutrino flavor oscillations motivates searches for sterile neutrinos in a broad range of masses and mixing-parameter values. A sterile neutrino $N$ that mixes predominantly with the $\tau$ neutrino is particularly…

High Energy Physics - Phenomenology · Physics 2020-05-20 C. O. Dib , J. C. Helo , M. Nayak , N. A. Neill , A. Soffer , J. Zamora-Saa

A phenomenological model with active and sterile neutrinos is used for calculations of neutrino oscillation characteristics at the normal mass hierarchy of active neutrinos. Taking into account the contributions of sterile neutrinos,…

High Energy Physics - Phenomenology · Physics 2019-12-11 V. V. Khruschov , S. V. Fomichev

Sterile neutrinos are compelling dark matter (DM) candidates, yet the minimal production mechanism solely based on active ($\nu_a$)-sterile ($\nu_s$) oscillations is excluded by astrophysical observations. Non-standard self-interactions in…

High Energy Physics - Phenomenology · Physics 2025-11-11 P. S. Bhupal Dev , Bhaskar Dutta , Srubabati Goswami , Jianrong Paul Tang , Aaroodd Ujjayini Ramachandran

Sterile neutrinos are studied as subdominant contribution to solar neutrino physics. The mirror-matter neutrinos are considered as sterile neutrinos. We use the symmetric mirror model with gravitational communication between mirror and…

High Energy Physics - Phenomenology · Physics 2009-11-07 Veniamin Berezinsky , Mohan Narayan , Francesco Vissani

Sterile neutrinos only interact with the Standard Model through the neutrino sector, and thus represent a simple dark matter (DM) candidate with many potential astrophysical and cosmological signatures. Recently, sterile neutrinos produced…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-16 Rui An , Vera Gluscevic , Ethan O. Nadler , Yue Zhang

We have made core-collapse supernova simulations that allow oscillations between electron neutrinos (or their anti particles) with right-handed sterile neutrinos. We have considered a range of mixing angles and sterile neutrino masses…

High Energy Astrophysical Phenomena · Physics 2014-12-05 MacKenzie L. Warren , Matthew Meixner , Grant Mathews , Jun Hidaka , Toshitaka Kajino

Taken at face value, current experimental data indicate the existence of a new particle, the sterile neutrino, which must be a singlet under the Standard Model gauge group. Although they are not detectable through traditional means, such…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mitesh Patel , George M. Fuller

It is shown that the future SNO and Super-Kamiokande experiments, in which high energy $^8\mathrm{B}$ neutrinos will be detected through the observation of CC, NC and $\nu$--$e$ elastic scattering processes, could allow to reveal in a model…

High Energy Physics - Phenomenology · Physics 2009-10-28 S. M. Bilenky , C. Giunti

Sterile neutrinos have been invoked to explain the observed neutrino masses, but they can also have significant implications for cosmology and accelerator experiments. We explore the collider signatures of a simple extension of the Standard…

High Energy Physics - Phenomenology · Physics 2010-10-27 Ian M. Shoemaker , Kalliopi Petraki , Alexander Kusenko

We study the prospects of a displaced-vertex search of sterile neutrinos at the Large Hadron Collider (LHC) in the framework of the neutrino-extended Standard Model Effective Field Theory ($\nu$SMEFT). The production and decay of sterile…

High Energy Physics - Phenomenology · Physics 2021-03-18 Jordy de Vries , Herbert K. Dreiner , Julian Y. Günther , Zeren Simon Wang , Guanghui Zhou

Sterile neutrinos with various masses could be participated in astrophysical and cosmological processes including mixing with active neutrinos, if exist. It is considered the possible effects of mixing of active and sterile neutrinos with…

High Energy Physics - Phenomenology · Physics 2023-10-16 V. V. Khruschov , S. V. Fomichev

The recent global fit of short baseline neutrino oscillation data favors the presence of one (or more) sterile neutrino state which leads to new mass splitting \Delta m^2 ~1 eV^2. We consider the effect of this new states on the evolution…

High Energy Physics - Phenomenology · Physics 2012-07-02 Arman Esmaili , Orlando L. G. Peres

We explore the possibility that neutrinos couple to an interacting sterile sector, providing a novel portal that generalizes the heavy neutral lepton portal to a composite setting. For a low confinement scale, high-energy neutrino beams can…

High Energy Physics - Phenomenology · Physics 2026-04-17 Matteo Borrello , Marco Costa , Diego Redigolo , Michele Tammaro

We review the status of light sterile neutrino searches, motivated by the original Short BaseLine (SBL) anomalies. Here, we discuss how sterile neutrino properties can be constrained by different types of neutrino oscillation experiments…

High Energy Physics - Phenomenology · Physics 2022-03-02 Stefano Gariazzo

Whether in nature exists Majorana neutrino is one of the most fundamental questions in physics. It is directly related to the violation of accidental $U(1)$-lepton number symmetry(LNV). Enormous efforts had been put into such test and among…

High Energy Physics - Phenomenology · Physics 2017-04-19 Kai Wang , Tao Xu , Liangliang Zhang

Light sterile neutrinos have been introduced as an explanation for a number of oscillation signals at $\Delta m^2 \sim 1$ eV$^2$. Neutrino oscillations at relatively short baselines provide a probe of these possible new states. This paper…

High Energy Physics - Phenomenology · Physics 2013-05-30 A. J. Anderson , J. M. Conrad , E. Figueroa-Feliciano , C. Ignarra , G. Karagiorgi , K. Scholberg , M. H. Shaevitz , J. Spitz

I point out that the sterile neutrinos suggested as candidates of "cool" Dark Matter will decay through their mixing with light neutrinos. This leads to an upper bound of about 200 keV on the mass of the sterile neutrinos, but might…

High Energy Physics - Phenomenology · Physics 2007-05-23 Manuel Drees

Sterile neutrinos at the eV scale have long been studied in the context of anomalies in short baseline neutrino experiments. Their cosmology can be made compatible with our understanding of the early Universe provided the sterile neutrino…

High Energy Physics - Phenomenology · Physics 2017-07-26 Francesco Capozzi , Ian M. Shoemaker , Luca Vecchi