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Related papers: Reactor antineutrino flux and anomaly

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The experimental and theoretical research on the physics of massive neutrinos is based on the standard paradigm of three-neutrino mixing, which describes the oscillations of neutrino flavors measured in solar, atmospheric, and long-baseline…

High Energy Physics - Experiment · Physics 2024-12-18 Ilham El Atmani

We examine uncertainties in the analysis of the reactor neutrino anomaly, wherein it is suggested that only about 94% of the emitted antineutrino flux was detected in short baseline experiments. We find that the form of the corrections that…

Nuclear Theory · Physics 2014-05-28 A. C. Hayes , J. L. Friar , G. T. Garvey , G. Jungman , Guy Jonkmans

Recently new reactor antineutrino spectra have been provided for 235U, 239Pu, 241Pu and 238U, increasing the mean flux by about 3 percent. To good approximation, this reevaluation applies to all reactor neutrino experiments. The synthesis…

High Energy Physics - Experiment · Physics 2011-05-12 G. Mention , M. Fechner , Th. Lasserre , Th. A. Mueller , D. Lhuillier , M. Cribier , A. Letourneau

Reactor neutrino experiments play a crucial role in advancing our knowledge of neutrinos. A precise measurement of reactor electron antineutrino flux and spectrum evolution can be key inputs in improving the knowledge of neutrino mass and…

High Energy Physics - Experiment · Physics 2023-05-31 The Daya Bay Collaboration

The Reactor Antineutrino Anomaly refers to the deficit observed between the average event rate measured in reactor antineutrino experiments with respect to the theoretical prediction. This anomaly was first identified in 2011 ($2.5\sigma$)…

High Energy Physics - Phenomenology · Physics 2026-05-12 C. Giunti , Y. F. Li , R. P. Zhang

We present a review of the antineutrino spectra emitted from reactors. Knowledge of these and their associated uncertainties are crucial for neutrino oscillation studies. The spectra used to-date have been determined by either conversion of…

High Energy Physics - Phenomenology · Physics 2016-11-23 A. C. Hayes , Petr Vogel

Reactor neutrinos play a substantial role in the study of the fundamental properties of neutrinos. With current and upcoming precision experiments, it is essential more than ever to understand the reactor neutrino flux and spectrum.…

Instrumentation and Detectors · Physics 2018-04-03 Bedrich Roskovec

We study the status of the reactor antineutrino anomaly in light of recent reactor flux models obtained with the conversion and summation methods. We present a new improved calculation of the IBD yields of the standard Huber-Mueller (HM)…

High Energy Physics - Phenomenology · Physics 2022-04-20 C. Giunti , Y. F. Li , C. A. Ternes , Z. Xin

We revisit the reactor antineutrino anomaly using the recent reactor flux independent determination of sizable theta?13 by considering the full set of the absolute reactor electron antineutrino flux measurements. When normalized to the…

Nuclear Experiment · Physics 2013-05-08 C. Zhang , X. Qian , P. Vogel

The reactor antineutrino anomaly, discovered in 2011, means a noticeable difference between the observed rate of inverse beta decays and the expected (theoretical) rate of such processes based on the measurement of the spectra of electrons…

High Energy Physics - Phenomenology · Physics 2025-04-16 L. M. Slad

In the past decades, short baseline neutrino oscillation studies around experimental or commercial reactor cores have revealed two anomalies. The first one is linked to the absolute flux and the second one to the spectral shape. The first…

High Energy Physics - Experiment · Physics 2019-05-29 Laura Bernard

We identify a new, flux-dependent correction to the antineutrino spectrum as produced in nuclear reactors. The abundance of certain nuclides, whose decay chains produce antineutrinos above the threshold for inverse beta decay, has a…

High Energy Physics - Phenomenology · Physics 2016-03-30 Patrick Huber , Patrick Jaffke

Hints for the existence of a sterile neutrino at nuclear reactors are reexamined using two updated predictions for the fluxes of antineutrinos produced in fissions. These new predictions diverge in their preference for the rate deficit…

High Energy Physics - Phenomenology · Physics 2020-01-22 Jeffrey Berryman , Patrick Huber

Rector neutrinos have been a tool to investigate neutrino properties for more than 60 years. The reactor neutrino flux was measured throughout 80s-90s. In the 2000s, reactor neutrino oscillations at large baselines were observed by the…

High Energy Physics - Experiment · Physics 2018-12-11 Bedrich Roskovec

The $\sim 3\sigma$ discrepancy between the predicted and observed reactor anti-neutrino flux, known as the reactor anti-neutrino anomaly, continues to intrigue. The recent discovery of an unexpected bump in the reactor anti-neutrino…

High Energy Physics - Phenomenology · Physics 2017-11-23 Mona Dentler , Álvaro Hernández-Cabezudo , Joachim Kopp , Michele Maltoni , Thomas Schwetz

Nuclear fission reactors are abundant sources of antineutrinos. The flux and spectrum of antineutrinos emitted by a reactor can indicate its activity and composition, suggesting potential applications of neutrino measurements beyond…

We discuss a possibility that the so-called reactor antineutrino anomaly can be, at least in part, explained by applying a quantum field-theoretical approach to neutrino oscillations, which in particular predicts a small deviation from the…

High Energy Physics - Phenomenology · Physics 2017-02-17 D. V. Naumov , V. A. Naumov , D. S. Shkirmanov

The large quantities of antineutrinos produced through the decay of fission fragments in nuclear reactors provide an opportunity to study the properties of these particles and investigate their use in reactor monitoring. The reactor…

We have examined the impact of new Daya Bay, Double Chooz, and RENO measurements on global fits of reactor antineutrino flux data to a variety of hypotheses regarding the origin of the reactor antineutrino anomaly. In comparing RENO and…

High Energy Physics - Phenomenology · Physics 2019-04-24 C. Giunti , Y. F. Li , B. R. Littlejohn , P. T. Surukuchi

We analyzed the evolution data of the Daya Bay reactor neutrino experiment in terms of short-baseline active-sterile neutrino oscillations taking into account the theoretical uncertainties of the reactor antineutrino fluxes. We found that…

High Energy Physics - Phenomenology · Physics 2017-11-22 C. Giunti , X. P. Ji , M. Laveder , Y. F. Li , B. R. Littlejohn
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