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We developed a segmented reactor-antineutrino detector made of plastic scintillators for application as a tool in nuclear safeguards inspection and performed mostly unmanned field operations at a commercial power plant reactor. At a…

Instrumentation and Detectors · Physics 2014-05-26 S. Oguri , Y. Kuroda , Y. Kato , R. Nakata , Y. Inoue , C. Ito , M. Minowa

We deployed a small, 80kg, antineutrino detector based on solid plastic scintillator, called MiniCHANDLER for nearly three months at a distance of 25m from a 2.9GW thermal power reactor core at the North Anna Nuclear Generating Station. We…

Instrumentation and Detectors · Physics 2020-03-18 Alireza Haghighat , Patrick Huber , Shengchao Li , Jonathan M. Link , Camillo Mariani , Jaewon Park , Tulasi Subedi

We discuss the feasibility of using the detection of electron antineutrinos produced in fission to monitor the time dependence of the plutonium content of nuclear power reactors. If practical such a scheme would allow world-wide, automated…

Reactor antineutrinos are used to study neutrino oscillation, search for signatures of non-standard neutrino interactions, and to monitor reactor operation for safeguard applications. The flux and energy spectrum of reactor antineutrinos…

High Energy Physics - Experiment · Physics 2013-05-01 K. M. Heeger , B. R. Littlejohn , H. P. Mumm , M. N. Tobin

In this note we discuss the potential application of antineutrino monitoring to the Iranian heavy water reactor at Arak, the IR-40, as a non-proliferation measure. We demonstrate that an above ground detector positioned right outside the…

Instrumentation and Detectors · Physics 2014-07-30 Eric Christensen , Patrick Huber , Patrick Jaffke , Thomas Shea

In a conventional light water reactor loaded with a range of uranium and plutonium-based fuel mixtures, the variation in antineutrino production over the cycle reflects both the initial core fissile inventory and its evolution. Under the…

Nuclear Experiment · Physics 2018-01-17 Adam Bernstein , Nathaniel Bowden , Anna Erickson

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

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

The RENO experiment has analyzed about 500 live days of data to observe an energy dependent disappearance of reactor $\overline{\nu}_e$ by comparison of their prompt signal spectra measured in two identical near and far detectors. In the…

High Energy Physics - Experiment · Physics 2016-06-01 RENO Collaboration

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 investigate non-standard interaction effects in antineutrino-electron scattering experiments with baselines short enough to ignore standard oscillation phenomena. The setup is free of ambiguities from the interference between new physics…

High Energy Physics - Phenomenology · Physics 2014-09-24 Amir N. Khan , Douglas W. McKay , F. Tahir

Compared to other neutrino sources, the huge anti-neutrino fluxes at nuclear reactor based experiments empower us to derive stronger bounds on non-standard interactions of neutrinos with electrons mediated by light scalar/vector mediators.…

High Energy Physics - Phenomenology · Physics 2023-04-12 Bhaskar Dutta , Sumit Ghosh , Tianjun Li , Adrian Thompson , Ankur Verma

Recently new reactor antineutrino spectra have been provided for 235U, 239Pu, 241Pu and 238U, increasing the mean flux by about 3 percent. To good approximation, this reevaluation applies to all reactor neutrino experiments. The synthesis…

High Energy Physics - Experiment · Physics 2011-05-12 G. Mention , M. Fechner , Th. Lasserre , Th. A. Mueller , D. Lhuillier , M. Cribier , A. Letourneau

The resurgence of interest in nuclear power around the world highlights the importance of effective methods to safeguard against nuclear proliferation. Many powerful safeguarding techniques have been developed and are currently employed,…

Physics and Society · Physics 2024-11-26 Bryan Helz , Leia Barrowes , Igor Jovanovic , Dean Price , Brendan Kochunas , James D. Wells

Neutrinos are elementary particles that interact only very weakly with matter. Neutrino experiments are, therefore, usually big, with masses in the multi-tonne range. The thresholdless interaction of coherent elastic scattering of neutrinos…

Technology developed for the T2K electromagnetic calorimeter has been adapted to make a small footprint, reliable, segmented detector to characterise anti-neutrinos emitted by nuclear reactors. The device has been developed and demonstrated…

Instrumentation and Detectors · Physics 2018-11-05 J. Carroll , J. Coleman , G. Davies , M. Lockwood , C. Metelko , R. Mills , M. Murdoch , A. Roberts , Y. Schnellbach , C. Touramanis

To date, antineutrino experiments built for the purpose of demonstrating a nonproliferation capability have typically employed organic scintillators, were situated as close to the core as possible -typically a few meters to tens of meters…

Instrumentation and Detectors · Physics 2022-10-19 O. A. Akindele , A. Bernstein , M. Bergevin , S. A. Dazeley , F. Sutanto , A. Mullen , J. Hecla

The new concept of antineutrino source for future short-baseline experiments is discussed. The source ensures: 1) well defined hard antineutrino flux; 2) the rate of counts more than ~(1E+2 - 1E+3) per day in the detector volume about cubic…

Instrumentation and Detectors · Physics 2022-10-12 V. I. Lyashuk

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