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Several anomalies observed in short-baseline neutrino experiments indicate that the standard 3-flavor framework may be incomplete and point towards the existence of light sterile neutrinos. Here, we present a concise review of the status of…

High Energy Physics - Phenomenology · Physics 2017-05-05 Antonio Palazzo

We study in detail the impact of a light sterile neutrino in the interpretation of the latest data of the long baseline experiments NO$\nu$A and T2K, assessing the robustness/fragility of the estimates of the standard 3-flavor parameters…

High Energy Physics - Phenomenology · Physics 2021-04-09 Sabya Sachi Chatterjee , Antonio Palazzo

We investigate the impact of light ($\sim$ eV) sterile neutrinos in the long-baseline experiment T2K. We show that, within the 3+1 scheme, for mass-mixing parameters suggested by the short-baseline anomalies, the interference among the…

High Energy Physics - Phenomenology · Physics 2015-06-11 N. Klop , A. Palazzo

The two long-baseline experiments T2K and NO$\nu$A have recently presented new findings. T2K has shown the first $\bar \nu_e$ appearance data while NO$\nu$A has released the first $\nu_e$ appearance results. These data are of particular…

High Energy Physics - Phenomenology · Physics 2016-05-04 Antonio Palazzo

The indications in favor of short-baseline neutrino oscillations, which require the existence of one or more sterile neutrinos, are reviewed. In the framework of 3+1 neutrino mixing, which is the simplest extension of the standard…

High Energy Physics - Phenomenology · Physics 2011-10-19 Carlo Giunti

In this paper we examine the sensitivity of the Long Baseline Neutrino Oscillation Experiment to the inclusion of two new sterile neutrino flavors with masses in the eV range. We implement a model with a modified Casas-Ibarra…

High Energy Physics - Phenomenology · Physics 2015-01-14 David Hollander , Irina Mocioiu

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

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

We investigate adding two sterile neutrinos to resolve the apparent tension existing between short-baseline neutrino oscillation results and CPT-conserving, four-neutrino oscillation models. For both (3+1) and (3+2) models, the level of…

High Energy Physics - Phenomenology · Physics 2009-11-10 Michel Sorel , Janet Conrad , Michael Shaevitz

We investigate the ability of the Short Baseline Neutrino (SBN) experimental program at Fermilab to test the globally-allowed (3+$N$) sterile neutrino oscillation parameter space. We explicitly consider the globally-allowed parameter space…

High Energy Physics - Phenomenology · Physics 2017-09-13 Davio Cianci , Andy Furmanski , Georgia Karagiorgi , Mark Ross-Lonergan

We study the impact of one light sterile neutrino on the prospective data expected to come from the two presently running long-baseline experiments T2K and NOvA when they will accumulate their full planned exposure. Introducing for the…

High Energy Physics - Phenomenology · Physics 2016-03-23 Sanjib Kumar Agarwalla , Sabya Sachi Chatterjee , Arnab Dasgupta , Antonio Palazzo

We present the results of fits of short-baseline neutrino oscillation data in 3+1 and 3+2 neutrino mixing schemes. In spite of the presence of a tension in the interpretation of the data, 3+1 neutrino mixing is attractive for its simplicity…

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

We present the results of global analyses of short-baseline neutrino oscillation data in 3+1, 3+2 and 3+1+1 neutrino mixing schemes. We show that the data do not allow us to abandon the simplest 3+1 scheme in favor of the more complex 3+2…

High Energy Physics - Phenomenology · Physics 2013-11-07 C. Giunti , M. Laveder , Y. F. Li , H. W. Long

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

In view of the recent results from the MiniBooNE experiment we revisit the global neutrino oscillation fit to short-baseline neutrino data by adding one, two or three sterile neutrinos with eV-scale masses to the three Standard Model…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michele Maltoni

Recent IceCube search results for sterile neutrino increased tension between the combined appearance and disappearance experiments. On the other hand, MiniBooNE latest data confirms at $4.9\sigma$ CL the short-baseline oscillation anomaly.…

High Energy Physics - Phenomenology · Physics 2019-05-01 Luis Salvador Miranda , Soebur Razzaque

Post LSND results, sterile neutrinos have drawn attention and motivated the high energy physics, astronomy and cosmology to probe physics beyond the standard model considering minimal 3+1 (3 active and 1 sterile) to 3+N neutrino schemes.…

High Energy Physics - Phenomenology · Physics 2016-08-03 Yogita Pant , Sujata Diwakar , Jyotsna Singh , R. B. Singh

We evaluate the impact of sterile neutrino oscillations in the so-called 3+1 scenario on the proposed long baseline experiment in USA and Japan. There are two proposals for the Japan experiment which are called T2HK and T2HKK. We show the…

High Energy Physics - Phenomenology · Physics 2017-10-04 Sandhya Choubey , Debajyoti Dutta , Dipyaman Pramanik

We study the synergy between the long-baseline (LBL) experiments NO$\nu$A and T2K and the atmospheric neutrino experiment ICAL@INO for obtaining the first hint of CP violation in the lepton sector. We also discuss how precisely the leptonic…

High Energy Physics - Phenomenology · Physics 2014-06-02 Monojit Ghosh , Pomita Ghoshal , Srubabati Goswami , Sushant K. Raut

While most of the results of the neutrino oscillation experiments can be accommodated within the standard paradigm of three active flavor, there are tantalizing hints of an light eV-scale sterile neutrino from anomalous results of a few…

High Energy Physics - Phenomenology · Physics 2025-03-12 Sabila Parveen , Kiran Sharma , Sudhanwa Patra , Poonam Mehta
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