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Related papers: Sterile Neutrino Status

200 papers

We present an update of our analysis of short-baseline neutrino oscillation data in the framework of 3+1 neutrino mixing taking into account the recent update of MiniBooNE antineutrino data and the recent results of the MINOS search for…

High Energy Physics - Phenomenology · Physics 2013-05-29 Carlo Giunti , Marco Laveder

We review the status of searches for sterile neutrinos in the $\sim 1$ eV range, with an emphasis on the latest results from short baseline oscillation experiments and how they fit within sterile neutrino oscillation models. We present…

High Energy Physics - Experiment · Physics 2020-11-26 A. Diaz , C. A. Argüelles , G. H. Collin , J. M. Conrad , M. H. Shaevitz

Neutrino oscillation models involving extra mass eigenstates beyond the standard three (3+N) are fit to global short baseline experimental data. We find that 3+1 has a best fit of Delta m^2_41 = 1.75 eV^2 with a Delta chi^2 [null-min] (dof)…

High Energy Physics - Phenomenology · Physics 2016-06-22 G. H. Collin , C. A. Argüelles , J. M. Conrad , M. H. Shaevitz

Cosmology and short baseline neutrino oscillation data both hint at the existence of light sterile neutrinos with masses in the 1 eV range. Here we perform a detailed analysis of the sterile neutrino scenario using both cosmological and SBL…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Maria Archidiacono , Nicolao Fornengo , Carlo Giunti , Steen Hannestad , Alessandro Melchiorri

Recent global fits to short-baseline neutrino oscillation data have been performed finding preference for a sterile neutrino solution (3+1) over null. In the most recent iteration, it was pointed out that an unstable sterile neutrino…

High Energy Physics - Phenomenology · Physics 2020-03-25 M. H. Moulai , C. A. Argüelles , G. H. Collin , J. M. Conrad , A. Diaz , M. H. Shaevitz

Considering four-neutrino schemes of type 3+1, we identify four small regions of the neutrino mixing parameter space compatible with all data. Assuming a small mixing between the sterile neutrino and the isolated mass eigenstate we show…

High Energy Physics - Phenomenology · Physics 2010-02-03 C. Giunti , M. Laveder

Using the most recent atmospheric neutrino data, as well as short-baseline, long-baseline and tritium $\beta$-decay data we show that the joint interpretation of the LSND, solar and atmospheric neutrino anomalies in (3+1) sterile neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Maltoni , T. Schwetz , J. W. F. Valle

We present a unified global analysis of neutrino oscillation data within the framework of the four-neutrino mass schemes (3+1) and (2+2). We include all data from solar and atmospheric neutrino experiments, as well as information from…

High Energy Physics - Phenomenology · Physics 2009-09-17 M. Maltoni , T. Schwetz , J. W. F. Valle

The various global analyses of available neutrino oscillation data indicate the presence of the standard $3+0$ neutrino oscillation picture. However, there are a few short baseline anomalies that point to the possible existence of a fourth…

High Energy Physics - Phenomenology · Physics 2021-10-05 Nishat Fiza , Mehedi Masud , Manimala Mitra

Day-night asymmetries in active-sterile solar neutrino oscillations are discussed in the general $3+N_{s}$ mixing framework with three active and N_s sterile neutrinos. Analytical expressions of the probability of neutrino flavor…

High Energy Physics - Phenomenology · Physics 2013-08-20 H. W. Long , Y. F. Li , C. Giunti

We present an analysis of the global neutrino oscillation data in terms of four-neutrino mass schemes. We find that the strong preference of oscillations into active neutrinos implied by the latest solar as well as atmospheric neutrino data…

High Energy Physics - Phenomenology · Physics 2009-09-17 M. Maltoni , T. Schwetz , M. A. Tortola , J. W. F. Valle

We consider a scenario with unitary mixing of the three light standard neutrinos and a non-unitary mixing contribution of a heavier massive neutrino that can generate short-baseline neutrino oscillations. We show that this scenario predicts…

High Energy Physics - Phenomenology · Physics 2019-08-08 C. Giunti

Recent neutrino oscillation results have evoked renewed interest in sterile neutrino oscillation models. This paper reviews the data from MiniBooNE and short-baseline reactor antineutrino experiments within the context of sterile neutrinos.…

High Energy Physics - Phenomenology · Physics 2011-10-18 G. Karagiorgi

Some aspects of the current neutrino oscillation phenomenology are briefly discussed, with emphasis on the status of mass-mixing parameters relevant for scenarios with three active neutrinos, and with an additional fourth sterile neutrino.

High Energy Physics - Phenomenology · Physics 2009-10-07 E. Lisi

We derive the relation between the amplitudes of short-baseline appearance and disappearance oscillations in 3+$N_{s}$ neutrino mixing schemes which is the origin of the appearance-disappearance tension that is found from the analysis of…

High Energy Physics - Phenomenology · Physics 2016-01-20 C. Giunti , E. M. Zavanin

After a brief review of the results of solar, atmospheric and long-baseline neutrino oscillation experiments which led to the current three-neutrino mixing paradigm, we discuss indications of neutrino oscillation experiments in favor of…

High Energy Physics - Phenomenology · Physics 2011-06-23 Carlo Giunti

A short review of the status of neutrino mixing and neutrino oscillations is given. The basics of neutrino mixing and oscillations is discussed. The latest evidences of neutrino oscillations obtained in the Super-Kamiokande and the SNO…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. M. Bilenky

In this proceeding we present predictions of the effective Majorana mass $|m_{\beta\beta}|$ in neutrinoless double-$\beta$ decay for the standard $3\nu$ mixing case and for the 3+1 neutrino mixing case indicated by the short-baseline…

High Energy Physics - Phenomenology · Physics 2016-06-22 C. Giunti , E. M. Zavanin

The theory and phenomenology of light sterile neutrinos at the eV mass scale is reviewed. The reactor, Gallium and LSND anomalies are briefly described and interpreted as indications of the existence of short-baseline oscillations which…

High Energy Physics - Phenomenology · Physics 2016-02-17 S. Gariazzo , C. Giunti , M. Laveder , Y. F. Li , E. M. Zavanin

The indications in favor of the existence of light sterile neutrinos at the eV scale found in short-baseline neutrino oscillation experiments is reviewed. The future perspectives of short-baseline neutrino oscillation experiments and the…

High Energy Physics - Phenomenology · Physics 2016-06-22 Carlo Giunti