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Neutrino oscillations with parameters relevant for the large mixing solution of the solar neutrino problem ($\Delta m^2_{21} = (2 - 20) \cdot 10^{-5}$ eV$^2$, $\sin^2 2\theta_{12} > 0.65$) can lead to observable (up to 10 - 12 %) excess of…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. L. G. Peres , A. Y. Smirnov

Anomaly detection aims to detect data that do not conform to regular patterns, and such data is also called outliers. The anomalies to be detected are often tiny in proportion, containing crucial information, and are suitable for…

Machine Learning · Computer Science 2023-06-06 Fan Xu , Nan Wang , Xibin Zhao

In this paper, we use a variance-based genetic ensemble (VGE) of Neural Networks (NNs) to detect anomalies in the satellite's historical data. We use an efficient ensemble of the predictions from multiple Recurrent Neural Networks (RNNs) by…

Machine Learning · Computer Science 2023-02-14 Mohammad Amin Maleki Sadr , Yeying Zhu , Peng Hu

We report the complete GNO solar neutrino results for the measuring periods GNO III, GNO II, and GNO I. The result for GNO III (last 15 solar runs) is [54.3 + 9.9 - 9.3 (stat.)+- 2.3 (syst.)] SNU (1 sigma) or [54.3 + 10.2 - 9.6 (incl.…

Gaseous detector with a sub keV electron equivalent threshold is a very perspective tool for the precision measurement of the neutrino magnetic moment and to observe coherent scattering of neutrinos on nuclei. The progress in the…

Instrumentation and Detectors · Physics 2014-09-18 A. V. Kopylov , I. V. Orekhov , V. V. Petukhov , A. E. Solomatin

According to current practice, the results of each run of a radiochemical solar neutrino experiment comprise an estimate of the flux and upper and lower error estimates. These estimates are derived by a maximum-likelihood procedure from the…

High Energy Physics - Phenomenology · Physics 2008-12-18 P. A. Sturrock , M. S. Wheatland

The STEREO experiment is designed to test the hypothesis of light sterile neutrinos being the cause of the Reactor Antineutrino Anomaly. It measures the antineutrino energy spectrum from the compact core of the ILL research reactor in six…

High Energy Physics - Experiment · Physics 2019-09-04 Stefan Schoppmann

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

Benchmarking of evaluated nuclear data libraries was performed for $\sim 14.8$ MeV neutrons on Gallium targets. The experiments were performed at China Institute of Atomic Energy(CIAE). Solid samples of natural Gallium (3.2 cm and 6.4 cm…

Nuclear Experiment · Physics 2015-05-20 R. Han , R. Wada , Z. Chen , Y. Nie , X. Liu , S. Zhang , P. Ren , B. Jia , G. Tian , F. Luo , W. Lin , J. Liu , F. Shi , M. Huang , X. Ruan , J. Ren , Z. Zhou , H. Huang , J. Bao , K. Zhang , B. Hu

Nuclear reactors are strong, pure and well localized sources of electron antineutrinos with energies in the few MeV range. Therefore they provide a suitable environment to study neutrino properties, in particular neutrino oscillation…

High Energy Physics - Experiment · Physics 2017-05-01 Christian Buck

A search for any particular feature in any single solar neutrino dataset is unlikely to establish variability of the solar neutrino flux since the count rates are very low. It helps to combine datasets, and in this article we examine data…

High Energy Physics - Phenomenology · Physics 2009-11-13 P. A. Sturrock

Traditional neutrino detectors are built deep underground to reduce backgrounds. The neutrino solar orbiting laboratory ($\nu$SOL) collaboration has been developing a concept to improve neutrino measurement not with a larger detector…

Solar and Stellar Astrophysics · Physics 2025-02-07 Jonathan Folkerts

Low-acceleration gravitational anomaly is investigated with a new method of exploiting the normalized velocity profile $\tilde{v}\equiv v_p/v_c$ of wide binary stars as a function of the normalized sky-projected radius $s/r_{\rm{M}}$ where…

Astrophysics of Galaxies · Physics 2024-09-11 Kyu-Hyun Chae

Reactor antineutrinos have played a significant role in establishing the standard model of particle physics and the theory of neutrino oscillations. In this article, we review the reactor antineutrino flux and in particular the reactor…

High Energy Physics - Phenomenology · Physics 2024-03-12 Chao Zhang , Xin Qian , Muriel Fallot

This article provides the complete description of results from the Phase I data set of the Sudbury Neutrino Observatory (SNO). The Phase I data set is based on a 0.65 kt-year exposure of heavy water to the solar $^8$B neutrino flux.…

Nuclear Experiment · Physics 2012-08-27 SNO Collaboration

The supersymmetric model is one of the most attractive extensions of the Standard Model of particle physics. In light of the most recently reported anomaly of the muon g-2 measurement by the FermiLab E989 experiment, and the excesses of…

High Energy Physics - Phenomenology · Physics 2021-08-11 Murat Abdughani , Yi-Zhong Fan , Lei Feng , Yue-Lin Sming Tsai , Lei Wu , Qiang Yuan

We present a systematic evaluation of the shape of the neutrino energy spectrum produced by beta-decay of $^8$B. We place special emphasis on determining the range of uncertainties permitted by existing laboratory data and theoretical…

Nuclear Theory · Physics 2008-11-26 John N. Bahcall , E. Lisi , D. E. Alburger , L. De Braeckeleer , S. J. Freedman , J. Napolitano

We take another look at ``Just-So'' solar neutrino oscillations, characterizing them by the energy $E_{\pi/2}$ at which the distance-varying angle is $\pi/2$, instead of the usual $\Delta m^2$. The rising spectrum recently observed by…

High Energy Physics - Phenomenology · Physics 2010-01-06 James M. Gelb , S. P. Rosen

This paper, together with a subsequent paper, questions the so-called 'LSND anomaly': a 3.8 {\sigma} excess of anti-electronneutrino interactions over standard backgrounds, observed by the LSND Collaboration in a beam dump experiment with…

We study light spin-1 gauge bosons coupled to electroweak-anomalous currents. For generic charge assignments, anomaly cancellation requires new fermions (anomalons) that are chiral under the new abelian symmetry and carry electroweak…

High Energy Physics - Phenomenology · Physics 2026-03-05 Luca Di Luzio , Marco Nardecchia , Stefano Scacco , Claudio Toni