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Related papers: Origin of Reactor Antineutrino Anomaly

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In this paper a scenario admitting the participation of the exotic scalar coupling of the right-handed neutrinos in addition to the standard vector and axial couplings of the left-handed neutrinos in the weak interactions is considered. The…

High Energy Physics - Phenomenology · Physics 2009-11-07 Wieslaw Sobkow

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

Antineutrinos produced at nuclear reactors constitute a severe source of background for the detection of geoneutrinos, which bring to the Earth's surface information about natural radioactivity in the whole planet. In this framework we…

Instrumentation and Detectors · Physics 2015-06-23 Marica Baldoncini , Ivan Callegari , Giovanni Fiorentini , Fabio Mantovani , Barbara Ricci , Virginia Strati , Gerti Xhixha

$\beta$-decay, a process that changes a neutron into a proton (and vice versa), is the dominant decay mode of atomic nuclei. This decay offers a unique window to physics beyond the standard model, and is at the heart of microphysical…

The energy resolution is crucial for the reactor neutrino experiments which aims to determine neutrino mass ordering by precise measurement of the reactor antineutrino energy spectrum. A non-negligible effect in the antineutrino energy…

Instrumentation and Detectors · Physics 2020-05-12 Lianghong Wei , Liang Zhan , Jun Cao , Wei Wang

Production of negative strangeness in reactions of inelastic anti-neutrino scattering on a nucleus provides information on the modification of strange degrees of freedom in nuclear matter. We calculate cross-sections of the reaction…

Nuclear Theory · Physics 2009-10-31 E. E. Kolomeitsev , D. N. Voskresensky

Neutrinoless double beta decay is a hypothetical nuclear transition whose observation would demonstrate that neutrinos are their own antiparticles and that lepton number is not conserved, with far-reaching implications for the origin of…

Nuclear Experiment · Physics 2026-04-16 Andrea Giuliani

Antineutrino induced electron capture is a resonant process that can have a larg e cross-section for beams of monochromatic antineutrinos. We calculate the cross-section of this process and investigate an experimental setup where…

High Energy Physics - Phenomenology · Physics 2010-01-06 R. G. C. Oldeman , M. Meloni , B. Saitta

Neutrinoless double-beta decay, if observed, would signal physics beyond the Standard Model that could be discovered at energies significantly lower than those at which the relevant degrees of freedom could be excited. Therefore, it could…

High Energy Physics - Phenomenology · Physics 2016-07-13 Mihai Horoi , Andrei Neacsu

This study presents a new concept of segmented antineutrino detector based on hexagonal plastic scintillator bars for detecting antineutrinos from a nuclear reactor core. The choice of hexagonal scintillator bars is original and provides…

Instrumentation and Detectors · Physics 2019-12-18 Mustafa Kandemir , Altan Cakir

Nuclear double beta decay, an extremely rare radioactive decay process, is - in one of its variants - one of the most exciting means of research into particle physics beyond the standard model. The large progress in sensitivity of…

High Energy Physics - Phenomenology · Physics 2016-11-15 Hans V. Klapdor-Kleingrothaus , Irina V. Krivosheina

Low energy anti-neutrinos detected from reactors or other sources have typically used the conversion of an anti-neutrino on Hydrogen, producing a positron and a free neutron. This neutron is subsequently captured on a secondary element with…

Instrumentation and Detectors · Physics 2024-11-19 Jarred Novak , Nickolas Solomey , Brooks Hartsock , Brian Doty , Jonathan Folkerts

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…

Recent reactor neutrino experiments observe an anomalous excess around 5 MeV in the prompt energy spectra of positrons following the inverse beta decay reaction. In this note we suggest that this 5 MeV anomaly was already present in a much…

High Energy Physics - Experiment · Physics 2018-07-10 V. Zacek , G. Zacek , P. Vogel , J. -L. Vuilleumier

Recently, three antineutrino experiments at Daya Bay, Double Chooz, and RENO measured the neutrino mixing angle $\theta_{13}$, each using a nuclear reactor power plant. However, significant discrepancies were found, both in the absolute…

High Energy Physics - Experiment · Physics 2018-11-21 Xubo Ma , Le Yang

We report a reanalysis of the reactor antineutrino energy spectra based on the new relative measurements of the ratio $R=\!^{e}S_5/^{e}S_9$ between cumulative $\beta$ spectra from $^{235}$U and $^{239}$Pu, performed at a research reactor in…

Nuclear Experiment · Physics 2021-11-03 V. Kopeikin , M. Skorokhvatov , O. Titov

This article reports the measurement of the $^{235}$U-induced antineutrino spectrum shape by the STEREO experiment. 43'000 antineutrinos have been detected at about 10 m from the highly enriched core of the ILL reactor during 118 full days…

Short distance reactor antineutrino experiments measure an antineutrino spectrum a few percent lower than expected from theoretical predictions. In this work we study the potential of low energy threshold reactor experiments in the context…

High Energy Physics - Phenomenology · Physics 2019-08-20 B. C. Cañas , E. A. Garcés , O. G. Miranda , A. Parada

The recent observation of an energy structure in the reactor antineutrino spectrum is reviewed. The reactor experiments Daya Bay, Double Chooz and RENO have reported a consistent excess of antineutrinos deviating from the flux predictions,…

High Energy Physics - Experiment · Physics 2016-01-08 P. Novella

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
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