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Related papers: Origin of Reactor Antineutrino Anomaly

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This paper is addressed to the analysis of the set of observables of the bound-state beta-decay, which can be used for the experimental investigation of contributions of i) interactions beyond the Standard Model (SM) and of ii) the…

High Energy Physics - Phenomenology · Physics 2020-01-10 A. N. Ivanov , M. Pitschmann , N. I. Troitskaya , Ya. A. Berdnikov

A significant part of the present work is devoted to proving that the basic elements of the particle oscillation concept either do not correspond to the principles of classical logic, or violate the energy-momentum conservation law, or…

High Energy Physics - Phenomenology · Physics 2024-06-05 L. M. Slad

The neutrinoless double beta ($0\nu\beta\beta$) decay is studied in the framework of left-right symmetric model. The coexistence of left and right handed currents induces rather complicated interactions in the mixing of lepton and hadrons,…

High Energy Physics - Phenomenology · Physics 2023-08-30 Takeshi Fukuyama , Toru Sato

The $^{144}$Ce -- $^{144}$Pr electron antineutrino source is one of the most suitable radiochemical sources for experiments searching for the oscillations of active neutrinos to the light sterile state. In the current work the…

The hypothesis of the conserved vector current, relating the vector weak and isovector electromagnetic currents, plays a fundamental role in quantitative description of neutrino interactions. Despite being experimentally confirmed with…

High Energy Physics - Phenomenology · Physics 2016-01-26 Artur M. Ankowski

We report a novel correlated background in the antineutrino detection using the inverse beta decay reaction. Spontaneous fissions and $(\alpha,n)$ reactions in peripheral materials of the antineutrino detector, such as borosilicate glass of…

Instrumentation and Detectors · Physics 2021-12-01 Zhiyuan Chen , Xin Zhang , Zeyuan Yu , Jun Cao , Changgen Yang

We present the first \textit{ab initio} calculations of first-forbidden $\beta$ transitions which are important for understanding the reactor antineutrino anomaly. Starting from chiral two- plus three-nucleon forces, we derive both…

Nuclear Theory · Physics 2026-03-25 X. Y. Xu , Z. Y. Meng , Z. C. Xu , F. R. Xu

The weak magnetism correction and its uncertainty to nuclear beta-decay play a major role in determining the significance of the reactor neutrino anomaly. Here we examine the common approximation used for one-body weak magnetism in the…

Nuclear Theory · Physics 2017-06-21 X. B. Wang , A. C. Hayes

We discuss as accurately as possible the cross section of quasi-elastic scattering of electron (anti-)neutrinos on nucleons, also known as inverse beta decay in the case of antineutrinos. We focus on the moderate energy range from a few MeV…

High Energy Physics - Phenomenology · Physics 2022-08-24 Giulia Ricciardi , Natascia Vignaroli , Francesco Vissani

Nuclear reactors have served as the antineutrino source for many fundamental physics experiments. The techniques developed by these experiments make it possible to use these very weakly interacting particles for a practical purpose. The…

Nuclear Experiment · Physics 2008-12-18 N. S. Bowden

We investigate the possible effects of short-baseline antinu_e disappearance implied by the reactor antineutrino anomaly on the Double-Chooz determination of theta_{13} through the normalization of the initial antineutrino flux with the…

High Energy Physics - Phenomenology · Physics 2013-05-30 Carlo Giunti , Marco Laveder

We report new calculations of reactor antineutrino spectra including the latest information from nuclear databases and a detailed error budget. The first part of this work is the so-called ab initio approach where the total antineutrino…

High Energy Physics - Experiment · Physics 2015-03-17 Th. A. Mueller , D. Lhuillier , M. Fallot , A. Letourneau , S. Cormon , M. Fechner , L. Giot , T. Lasserre , J. Martino , G. Mention , A. Porta , F. Yermia

We investigate the possible origins of the norm and shape reactor antineutrino anomalies in the framework of a summation model (SM) where $\beta^{-}$ transitions are simulated by a phenomenological Gamow-Teller $\beta$-decay strength model.…

High Energy Physics - Phenomenology · Physics 2023-01-25 A. Letourneau , V. Savu , D. Lhuillier , Th. Lasserre , Th. Materna , G. Mention , X. Mougeot , A. Onillon , L. Perisse , M. Vivier

The RENO experiment has observed the disappearance of reactor electron antineutrinos, consistent with neutrino oscillations, with a significance of 4.9 standard deviations. Antineutrinos from six 2.8 GW$_{th}$ reactors at the Yonggwang…

High Energy Physics - Experiment · Physics 2015-11-18 Soo-Bong Kim

We present ERNIE, a computer program which generates nuclear reactor electron antineutrinos and inverse beta decay events induced by these particles, using the Monte-Carlo method. The program allows the usage of different antineutrino…

High Energy Physics - Phenomenology · Physics 2023-11-13 Murat Altınlı , Halil Gamsızkan

The atmospheric neutrino anomaly is the apparent reduction of the $\nu_{\mu}/\nu_{e}$ ratio observed in underground detectors. It represents either a reduction in the muon neutrino interaction rate or an excess of the electron neutrino…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. M. LoSecco

We propose the first truly directional antineutrino detector for antineutrinos above the hydrogen inverse beta decay (IBD) threshold, with potential applications including monitoring for nuclear nonproliferation, spatially mapping…

Instrumentation and Detectors · Physics 2015-03-05 Benjamin R. Safdi , Burkhant Suerfu

Potential applications of neutrino detection to nuclear security have been discussed since the 1970s. Recent years have seen great progress in detector technologies based on inverse beta decay, with the demonstration of ton-scale…

Instrumentation and Detectors · Physics 2020-09-30 Maitland Bowen , Patrick Huber

We consider the minimal seesaw model, the Standard Model extended by two right-handed neutrinos, for explaining the neutrino masses and mixing angles measured in oscillation experiments. When one of right-handed neutrinos is lighter than…

High Energy Physics - Phenomenology · Physics 2023-07-26 Takehiko Asaka , Hiroyuki Ishida , Kazuki Tanaka

This paper analyzes the sensitivity of antineutrino count rate measurements to changes in the fissile content of civil power reactors. Such measurements may be useful in IAEA reactor safeguards applications. We introduce a hypothesis…

Nuclear Experiment · Physics 2015-05-19 Vera Bulaevskaya , Adam Bernstein