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Related papers: The Reactor Antineutrino Anomaly

200 papers

The low energy part of the reactor neutrino spectra has not been experimentally measured. Its uncertainties limit the sensitivities in certain reactor neutrino experiments. The origin of these uncertainties are discussed, and the effects on…

High Energy Physics - Experiment · Physics 2009-09-25 Hau-Bin Li , Henry T. Wong

A next-generation neutrino oscillation experiment using reactor neutrinos could give important information on the size of mixing angle $\theta_{13}$. The motivation and goals for a new reactor measurement are discussed in the context of…

High Energy Physics - Experiment · Physics 2017-08-23 M. H. Shaevitz , J. M. Link

Anti-neutrino emission rates from nuclear reactors are determined from thermal power measurements and fission rate calculations. The uncertainties in these quantities for commercial power plants and their impact on the calculated…

High Energy Physics - Experiment · Physics 2009-11-13 Z. Djurcic , J. A. Detwiler , A. Piepke , V. R. Foster , L. Miller , G. Gratta

We study the dominant forbidden transitions in the antineutrino spectra of the fission actinides from 4 MeV onward using the nuclear shell model. Through explicit calculation of the shape factor, taking into account Coulomb corrections, we…

Nuclear Theory · Physics 2019-11-27 L. Hayen , J. Kostensalo , N. Severijns , J. Suhonen

New \textit{ab initio} calculations of the isotopic reactor antineutrino fluxes are provided with exact numerical calculations of the lepton wave functions, assuming all the decay branches are allowed GT transitions. We illustrate that the…

High Energy Physics - Phenomenology · Physics 2021-01-13 Dong-Liang Fang , Yu-Feng Li , Di Zhang

Recent measurements of reactor-produced antineutrino fluxes and energy spectra are inconsistent with models based on measured thermal fission beta spectra. In this paper, we examine the dependence of antineutrino production on fission…

Nuclear Theory · Physics 2018-05-09 B. R. Littlejohn , A. Conant , D. A. Dwyer , A. Erickson , I. Gustafson , K. Hermanek

We report an updated result from the ICARUS experiment on the search for {\nu}{\mu} ->{\nu}e anomalies with the CNGS beam, produced at CERN with an average energy of 20 GeV and travelling 730 km to the Gran Sasso Laboratory. The present…

We calculate the event rates induced by high-intensity radioactive sources of nu_e (51Cr) and of anti-nu_e (90Sr), to be located near the BOREXINO detector. Calculations are performed both in the standard case and assuming non-standard…

High Energy Physics - Experiment · Physics 2011-09-13 A. Ianni , D. Montanino , G. Scioscia

The Reactor Experiment for Neutrino Oscillation (RENO) experiment has been taking data using two identical liquid scintillator detectors of 44.5 tons since August 2011. The experiment has observed the disappearance of reactor neutrinos in…

We present a measurement of the flux of neutrino-induced upgoing muons (<E_nu>~100 GeV) using the MACRO detector. The ratio of the number of observed to expected events integrated over all zenith angles is 0.74 +/- 0.036 (stat) +/-…

High Energy Physics - Experiment · Physics 2008-11-26 The MACRO Collaboration , M. Ambrosio et al

We compare, using a three neutrino analysis, the allowed neutrino oscillation parameters and solar neutrino fluxes determined by the experimental data available Before and After Neutrino 2004. New data available after Neutrino2004 include…

High Energy Physics - Phenomenology · Physics 2014-11-17 John N. Bahcall , M. C. Gonzalez-Garcia , Carlos Pena-Garay

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 report a search result for a light sterile neutrino oscillation with roughly 2200 live days of data in the RENO experiment. The search is performed by electron antineutrino ($\overline{\nu}_e$) disappearance taking place between six 2.8…

Within the standard 3nu mass-mixing framework, we present an up-to-date global analysis of neutrino oscillation data (as of January 2016), including the latest available results from experiments with atmospheric neutrinos (Super-Kamiokande…

High Energy Physics - Phenomenology · Physics 2016-06-22 F. Capozzi , E. Lisi , A. Marrone , D. Montanino , A. Palazzo

Positron spectrum from inverse beta decay reaction on proton was measured in 1988-1990 as a result of neutrino exploration experiment. The measured spectrum has the largest statistics and lowest energy threshold between other neutrino…

Nuclear Experiment · Physics 2012-07-31 V. Sinev

We report on searches for neutrinos and antineutrinos from astrophysical sources performed with the Borexino detector at the Laboratori Nazionali del Gran Sasso in Italy. Electron antineutrinos ($\bar{\nu}_e$) are detected in an organic…

Now that theta13 is known to be large, a medium baseline reactor experiment can observe the fine structure of the electron antineutrino survival probability curve, approximately periodic oscillations in L/E with wavelength 4pi/Delta M^2_31.…

High Energy Physics - Experiment · Physics 2015-06-11 Emilio Ciuffoli , Jarah Evslin , Xinmin Zhang

It is shown that, if the "new neutrino" implied by the Reactor Neutrino Anomaly exists and is in fact characterized by the suggested relatively high mass squared difference and reasonably large mixing angle, it should clearly reveal itself…

High Energy Physics - Phenomenology · Physics 2011-09-28 J. D. Vergados , Y. Giomataris , Yu. N. Novikov

We investigate how the anticipated neutral current rate from $SNO$ will sharpen our understanding of the solar neutrino anomaly. Quantitative analyses are performed with representative values of this rate in the expected range of $0.8 -…

High Energy Physics - Phenomenology · Physics 2009-11-07 Abhijit Bandyopadhyay , Sandhya Choubey , Srubabati Goswami , D. P. Roy