English
Related papers

Related papers: Neutron capture and the antineutrino yield from nu…

200 papers

New predictions for the anti-neutrino flux emitted by nuclear reactors suggest that reactor experiments may have measured a deficit in the anti-neutrino flux, which can be interpreted in terms of oscillations between the known active…

High Energy Physics - Phenomenology · Physics 2011-09-29 Joachim Kopp , Michele Maltoni , Thomas Schwetz

In this paper we present results of a long-term observation of the decay of 22Na in the presence of a nuclear fission reactor. The measurements were made outside the containment wall of and underneath the Koeberg nuclear power plant near…

Nuclear Experiment · Physics 2014-09-25 R. J. de Meijer , S. W. Steyn

We investigate the ability of an antineutrino detector to determine the fuel type of a reactor. A hypothetical 5t antineutrino detector is placed 25m from the core and measures the spectral shape and rate of antineutrinos emitted by fission…

Instrumentation and Detectors · Physics 2017-09-13 Patrick Jaffke , Patrick Huber

We report simulation studies of six low-energy electron-antineutrino detector designs, with the goal of determining their ability to resolve the direction to an antineutrino source. Such detectors with target masses on the one-ton scale are…

Constraints on light sterile neutrinos and scalar non-standard neutrino interactions are obtained from the first reactor antineutrino results reported by JUNO. The analysis is based on a spectral $\chi^2$ fit to the prompt-energy…

High Energy Physics - Phenomenology · Physics 2026-05-19 L. J. Flores , R. Pacheco-Aké , Eduardo Peinado , G. Sanchez Garcia , E. Vázquez-Jáuregui

I derive an upper bound on the electron neutrino component of the diffuse supernova neutrino flux from the constraint on the antineutrino component at SuperKamiokande. The connection between antineutrino and neutrino channels is due to the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Cecilia Lunardini

We analyse a change of a deficit of reactor antineutrinos at distances smaller than 100 m by changing the lifetime of the neutron from tau_n = 885.7 s to tau_n = 879.6 s, calculated for the axial coupling constants lambda = - 1.2694 and…

High Energy Physics - Phenomenology · Physics 2013-11-15 A. N. Ivanov , R. Hollwieser , N. I. Troitskaya , M. Wellenzohn , O. M. Zherebtsov , A. P. Serebrov

The rates of electron neutrino capture on neutron, electron anti-neutrino capture on proton, and their reverse processes are important for understanding the production of heavy elements in the supernova environment above the protoneutron…

Astrophysics · Physics 2009-11-11 Huaiyu Duan , Yong-Zhong Qian

We investigate which among the reactor antineutrino fluxes from the decays of the fission products of $^{235}\text{U}$, $^{238}\text{U}$, $^{239}\text{Pu}$, and $^{241}\text{Pu}$ may be responsible for the reactor antineutrino anomaly if…

High Energy Physics - Phenomenology · Physics 2017-01-04 Carlo Giunti

Antineutrinos have been proposed as a means of reactor safeguards for more than 30 years and there has been impressive experimental progress in neutrino detection. In this paper we conduct, for the first time, a case study of the…

Instrumentation and Detectors · Physics 2014-02-14 Eric Christensen , Patrick Huber , Patrick Jaffke

Two new facilities have recently been proposed to measure low energy neutrino-nucleus cross sections, the nu-SNS (Spallation Neutron Source) and low energy beta beams. The former produces neutrinos by pion decay at rest, while the latter…

Nuclear Theory · Physics 2009-11-10 G. C. McLaughlin

We have developed a neutrino detector with threshold energies from ~0.115 to 105 MeV in a clean detection mode almost completely void of accidental backgrounds. It was initially developed for the NASA $\nu$SOL project to put a solar…

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

Inverse beta decay (IBD), $\overline{\nu}_e p \to e^+ n \left( \gamma \right)$, is the main detection channel for reactor antineutrinos in water- and hydrocarbon-based detectors. As reactor antineutrino experiments now target…

High Energy Physics - Phenomenology · Physics 2025-12-10 Oleksandr Tomalak

In this contribution we describe the current understanding of reactor antineutrino fluxes and point out some recent developments. This is not intended to be a complete review of this vast topic but merely a selection of observations and…

High Energy Physics - Phenomenology · Physics 2016-06-22 Patrick Huber

Military and civilian applications of nuclear energy have left a significant amount of spent nuclear fuel over the past 70 years. Currently, in many countries world wide, the use of nuclear energy is on the rise. Therefore, the management…

High Energy Physics - Phenomenology · Physics 2017-12-25 Vedran Brdar , Patrick Huber , Joachim Kopp

Motivated by Pierre Auger Observatory results favoring a heavy nuclear composition for ultrahigh-energy (UHE) cosmic rays, we investigate implications for the cumulative neutrino background. The requirement that nuclei not be…

High Energy Astrophysical Phenomena · Physics 2016-03-14 Kohta Murase , John F. Beacom

In view of the application to supernova simulations, we calculate neutrino reaction rates with nucleons via the neutral and charged currents in the supernova core in the relativistic random phase approximation (RPA) and study their effects…

Astrophysics · Physics 2009-10-31 Shoichi Yamada , Hiroshi Toki

In 2011, a re-evaluation of the antineutrino spectrum emitted by nuclear reactors revealed a 6% deficit between the observed flux and the expected one. This anomaly is significant at 2.9$\sigma$ and can be explained by a new oscillation at…

Instrumentation and Detectors · Physics 2016-02-02 Stéphane Zsoldos

Understanding the radiogenic neutron production rate through the (${\alpha}$, n) reaction is crucial in many areas of physics, including dark matter searches, neutrino studies, and nuclear astrophysics. In addition to its relevance for…