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A new generation of neutrino experiments is testing the $4.8\sigma$ anomalous excess of electron-like events observed in MiniBooNE. This is of huge importance for particle physics, astrophysics, and cosmology, not only because of the…

High Energy Physics - Phenomenology · Physics 2022-06-22 C. A. Argüelles , I. Esteban , M. Hostert , K. J. Kelly , J. Kopp , P. A. N. Machado , I. Martinez-Soler , Y. F. Perez-Gonzalez

There is accumulating evidence for a difference between neutrino and antineutrino oscillations at the $\sim 1$ eV$^2$ scale. The MiniBooNE experiment observes an unexplained excess of electron-like events at low energies in neutrino mode,…

The MiniBooNE experiment at Fermilab was designed to be a definitive test of the LSND evidence for neutrino oscillations and has recently reported first results of a search for electron-neutrino appearance in a muon-neutrino Booster beam.…

High Energy Physics - Experiment · Physics 2009-07-22 Zelimir Djurcic

The MiniBooNE experiment at Fermilab reports results from an analysis of $\bar \nu_e$ appearance data from $11.27 \times 10^{20}$ protons on target in antineutrino mode, an increase of approximately a factor of two over the previously…

This thesis describes an analysis developed for the MicroBooNE experiment to investigate an anomalous excess of electron-like events observed in the MiniBooNE detector. The hypothesis investigated here is that the MiniBooNE anomaly…

Data Analysis, Statistics and Probability · Physics 2020-10-29 Jarrett Moon

The MiniBooNE experiment at Fermilab reports results from an analysis of $\nu_e$ appearance data from $12.84 \times 10^{20}$ protons on target in neutrino mode, an increase of approximately a factor of two over previously reported results.…

The MiniBooNE low-energy excess stands as an unexplained anomaly in short-baseline neutrino oscillation experiments. It has been shown that it can be explained in the context of dark sector models. Here, we provide an overview of the…

High Energy Physics - Phenomenology · Physics 2025-01-31 Asli M. Abdullahi , Jaime Hoefken Zink , Matheus Hostert , Daniele Massaro , Silvia Pascoli

The MiniBooNE experiment at Fermilab reports a total excess of $638.0 \pm 132.8$ electron-like events ($4.8 \sigma$) from a data sample corresponding to $18.75 \times 10^{20}$ protons-on-target in neutrino mode, which is a 46\% increase in…

The electron-like excess observed by the MiniBooNE experiment is explained with a model comprising a new low mass state ($\mathcal{O}(1)$ eV) participating in neutrino oscillations and a new high mass state ($\mathcal{O}(100)$ MeV) that…

High Energy Physics - Phenomenology · Physics 2021-11-17 Stefano Vergani , Nicholas W. Kamp , Alejandro Diaz , Carlos A. Argüelles , Janet M. Conrad , Michael H. Shaevitz , Melissa A. Uchida

The anomaly in the low energy distribution of quasi-elastic neutrino events reported by the MiniBooNE collaboration is discussed. We show that the observed excess of electron-like events could originate from the production and decay of a…

High Energy Physics - Phenomenology · Physics 2010-01-11 S. N. Gninenko

Heavy neutrinos with additional interactions have recently been proposed as an explanation to the MiniBooNE excess. These scenarios often rely on marginally boosted particles to explain the excess angular spectrum, thus predicting large…

High Energy Physics - Phenomenology · Physics 2020-01-17 Carlos A. Argüelles , Matheus Hostert , Yu-Dai Tsai

We consider the non-oscillatory explanations of the low energy excess of events detected by MiniBooNE. We present a systematic search for phenomenological scenarios based on new physics which can produce the excess. We define scenarios as…

High Energy Physics - Phenomenology · Physics 2021-04-12 Vedran Brdar , Oliver Fischer , Alexei Yu. Smirnov

The MiniBooNE Collaboration observes unexplained electron-like events in the reconstructed neutrino energy range from 200 to 475 MeV. With $6.46 \times 10^{20}$ protons on target, 544 electron-like events are observed in this energy range,…

High Energy Physics - Experiment · Physics 2012-08-27 MiniBooNE Collaboration

The MiniBooNE experiment at Fermilab reports results from a search for $\bar \nu_\mu \rightarrow \bar \nu_e$ oscillations, using a data sample corresponding to $5.66 \times 10^{20}$ protons on target. An excess of $20.9 \pm 14.0$ events is…

High Energy Physics - Experiment · Physics 2012-08-27 The MiniBooNE Collaboration

Recently, the MiniBooNE experiment at Fermilab has updated the results with increased data and reported an excess of $560.6 \pm 119.6$ electronlike events ($4.7\sigma$) in the neutrino operation mode. In this paper, we propose a scenario to…

High Energy Physics - Phenomenology · Physics 2021-08-04 Chia-Hung Vincent Chang , Chuan-Ren Chen , Shu-Yu Ho , Shih-Yen Tseng

The strong statistical significance of an observed electron-like event excess in the MiniBooNE (MB) experiment, along with an earlier similar excess seen in the Liquid Scintillator Neutrino Detector (LSND), when interpreted in conjunction…

High Energy Physics - Phenomenology · Physics 2022-07-12 Waleed Abdallah , Raj Gandhi , Samiran Roy

The MiniBooNE experiment has observed a significant excess of electron neutrinos in a muon neutrino beam at source-detector distances too short to be compatible with standard neutrino oscillations. The most straightforward explanation for…

High Energy Physics - Phenomenology · Physics 2020-07-01 Mona Dentler , Ivan Esteban , Joachim Kopp , Pedro Machado

In a new measurement on neutrino oscillation $\nu_{\mu}\to\nu_e$, the MiniBooNE Collaboration observes an excess of electron-like events at low energy and the phenomenon may demand an explanation which obviously is beyond the oscillation…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xue-Qian Li , Yong Liu , Zheng-Tao Wei , Liang Tang

We present a novel framework that provides an explanation to the long-standing excess of electron-like events in the MiniBooNE experiment at Fermilab. We suggest a new dark sector containing a dark neutrino and a dark gauge boson, both with…

High Energy Physics - Phenomenology · Physics 2019-01-23 Enrico Bertuzzo , Sudip Jana , Pedro A. N. Machado , Renata Zukanovich Funchal

The MiniBooNE collaboration has reported an excess of $460.5\pm 95.8$ electron-like events ($4.8\sigma$). We propose an explanation of these events in terms of a sterile neutrino decaying into a photon and a light neutrino. The sterile…

High Energy Physics - Phenomenology · Physics 2020-05-06 Oliver Fischer , Alvaro Hernandez-Cabezudo , Thomas Schwetz
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