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This Letter reports the first measurement of high-energy reactor antineutrinos at Daya Bay, with nearly 9000 inverse beta decay candidates in the prompt energy region of 8-12~MeV observed over 1958 days of data collection. A multivariate…

High Energy Physics - Experiment · Physics 2022-07-21 Daya Bay collaboration , F. P. An , A. B. Balantekin , H. R. Band , M. Bishai , S. Blyth , G. F. Cao , J. Cao , J. F. Chang , Y. Chang , H. S. Chen , S. M. Chen , Y. Chen , Y. X. Chen , J. Cheng , Z. K. Cheng , J. J. Cherwinka , M. C. Chu , J. P. Cummings , O. Dalager , F. S. Deng , Y. Y. Ding , M. V. Diwan , T. Dohnal , J. Dove , M. Dvorak , D. A. Dwyer , J. P. Gallo , M. Gonchar , G. H. Gong , H. Gong , W. Q. Gu , J. Y. Guo , L. Guo , X. H. Guo , Y. H. Guo , Z. Guo , R. W. Hackenburg , S. Hans , M. He , K. M. Heeger , Y. K. Heng , A. Higuera , Y. K. Hor , Y. B. Hsiung , B. Z. Hu , J. R. Hu , T. Hu , Z. J. Hu , H. X. Huang , X. T. Huang , Y. B. Huang , P. Huber , D. E. Jaffe , K. L. Jen , X. L. Ji , X. P. Ji , R. A. Johnson , D. Jones , L. Kang , S. H. Kettell , S. Kohn , M. Kramer , T. J. Langford , J. Lee , J. H. C. Lee , R. T. Lei , R. Leitner , J. K. C. Leung , F. Li , J. J. Li , Q. J. Li , S. Li , S. C. Li , W. D. Li , X. N. Li , X. Q. Li , Y. F. Li , Z. B. Li , H. Liang , C. J. Lin , G. L. Lin , S. Lin , J. J. Ling , J. M. Link , L. Littenberg , B. R. Littlejohn , J. C. Liu , J. L. Liu , C. Lu , H. Q. Lu , J. S. Lu , K. B. Luk , X. B. Ma , X. Y. Ma , Y. Q. Ma , C. Marshall , D. A. Martinez Caicedo , K. T. McDonald , R. D. McKeown , Y. Meng , J. Napolitano , D. Naumov , E. Naumova , J. P. Ochoa-Ricoux , A. Olshevskiy , H. -R. Pan , J. Park , S. Patton , J. C. Peng , C. S. J. Pun , F. Z. Qi , M. Qi , X. Qian , N. Raper , J. Ren , C. Morales Reveco , R. Rosero , B. Roskovec , X. C. Ruan , H. Steiner , J. L. Sun , T. Tmej , K. Treskov , W. -H. Tse , C. E. Tull , B. Viren , V. Vorobel , C. H. Wang , J. Wang , M. Wang , N. Y. Wang , R. G. Wang , W. Wang , W. Wang , X. Wang , Y. Wang , Y. F. Wang , Z. Wang , Z. Wang , Z. M. Wang , H. Y. Wei , L. H. Wei , L. J. Wen , K. Whisnant , C. G. White , H. L. H. Wong , E. Worcester , D. R. Wu , F. L. Wu , Q. Wu , W. J. Wu , D. M. Xia , Z. Q. Xie , Z. Z. Xing , J. L. Xu , T. Xu , T. Xue , C. G. Yang , L. Yang , Y. Z. Yang , H. F. Yao , M. Ye , M. Yeh , B. L. Young , H. Z. Yu , Z. Y. Yu , B. B. Yue , S. Zeng , Y. Zeng , L. Zhan , C. Zhang , F. Y. Zhang , H. H. Zhang , J. W. Zhang , Q. M. Zhang , X. T. Zhang , Y. M. Zhang , Y. X. Zhang , Y. Y. Zhang , Z. J. Zhang , Z. P. Zhang , Z. Y. Zhang , J. Zhao , L. Zhou , H. L. Zhuang , J. H. Zou

The DZERO detector is used to study proton-antiproton collisions at the 1800 GeV and 630 GeV center-of-mass energies available at the Fermilab Tevatron. To measure jets, the detector uses a sampling calorimeter composed of uranium and…

High Energy Physics - Experiment · Physics 2008-11-26 B. Abbott

In the past decades, short baseline neutrino oscillation studies around experimental or commercial reactor cores have revealed two anomalies. The first one is linked to the absolute flux and the second one to the spectral shape. The first…

High Energy Physics - Experiment · Physics 2019-05-29 Laura Bernard

Antineutrinos stream freely from rapidly decaying fission products within the cores of nuclear reactors and from long-lived natural radioactivity within the rocky layers of the Earth. These global antineutrinos produce detectable signals in…

Instrumentation and Detectors · Physics 2021-01-14 Steve Dye , Andrew Barna

The MUNU experiment uses the electron antineutrino-electron elastic scattering to examine the magnetic properties of the electron antineutrino. The detector is situated at 18 m from the reactor, serving as an electron antineutrino source.…

High Energy Physics - Experiment · Physics 2019-08-14 Zornitza Daraktchieva

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…

Determination of the neutrino mass hierarchy using a reactor neutrino experiment at $\sim$60 km is analyzed. Such a measurement is challenging due to the finite detector resolution, the absolute energy scale calibration, as well as the…

Instrumentation and Detectors · Physics 2015-03-20 X. Qian , D. A. Dwyer , R. D. McKeown , P. Vogel , W. Wang , C. Zhang

The SNO+ collaboration reports its second spectral analysis of reactor antineutrino oscillation using 286 tonne-years of new data. The measured energies of reactor antineutrino candidates were fitted to obtain the second-most precise…

High Energy Physics - Experiment · Physics 2025-09-18 SNO+ Collaboration , : , M. Abreu , V. Albanese , A. Allega , R. Alves , M. R. Anderson , S. Andringa , L. Anselmo , J. Antunes , E. Arushanova , S. Asahi , M. Askins , D. M. Asner , D. J. Auty , A. R. Back , S. Back , A. Bacon , T. Baltazar , F. Barão , Z. Barnard , A. Barr , N. Barros , D. Bartlett , R. Bayes , C. Beaudoin , E. W. Beier , G. Berardi , T. S. Bezerra , A. Bialek , S. D. Biller , E. Blucher , A. Boeltzig , R. Bonventre , M. Boulay , D. Braid , E. Caden , E. J. Callaghan , J. Caravaca , J. Carvalho , L. Cavalli , D. Chauhan , M. Chen , S. Cheng , O. Chkvorets , K. J. Clark , B. Cleveland , C. Connors , D. Cookman , J. Corning , I. T. Coulter , M. A. Cox , D. Cressy , X. Dai , C. Darrach , S. DeGraw , R. Dehghani , J. Deloye , M. M. Depatie , F. Descamps , C. Dima , J. Dittmer , K. H. Dixon , F. Di Lodovico , A. Doxtator , N. Duhaime , F. Duncan , J. Dunger , A. D. Earle , M. S. Esmaeilian , D. Fabris , E. Falk , A. Farrugia , N. Fatemighomi , C. Felber , V. Fischer , E. Fletcher , R. Ford , K. Frankiewicz , N. Gagnon , A. Gaur , J. Gauthier , A. Gibson-Foster , K. Gilje , O. I. González-Reina , D. Gooding , P. Gorel , K. Graham , C. Grant , J. Grove , S. Grullon , E. Guillian , R. L. Hahn , S. Hall , A. L. Hallin , D. Hallman , S. Hans , J. Hartnell , P. Harvey , C. Hearns , M. R. Hebert , M. Hedayatipour , W. J. Heintzelman , J. Heise , R. L. Helmer , C. Hewitt , B. Hodak , M. Hodak , M. Hood , D. Horne , M. Howe , B. Hreljac , J. Hu , P. Huang , R. Hunt-Stokes , T. Iida , A. S. Inácio , C. M. Jackson , N. A. Jelley , C. J. Jillings , C. Jones , P. G. Jones , S. Kaluzienski , K. Kamdin , T. Kaptanoglu , J. Kaspar , K. Keeter , C. Kefelian , P. Khaghani , L. Kippenbrock , J. Kladnik , J. R. Klein , R. Knapik , J. Kofron , L. L. Kormos , S. Korte , B. Krar , C. Kraus , C. B. Krauss , T. Kroupová , K. Labe , F. Lafleur , C. Lake , I. Lam , C. Lan , B. J. Land , R. Lane , S. Langrock , P. Larochelle , S. Larose , A. LaTorre , I. Lawson , L. Lebanowski , J. Lee , C. Lefebvre , G. M. Lefeuvre , E. J. Leming , A. Li , O. Li , J. Lidgard , B. Liggins , P. Liimatainen , Y. H. Lin , X. Liu , Y. Liu , V. Lozza , M. Luo , S. Maguire , A. Maio , K. Majumdar , S. Manecki , J. Maneira , R. D. Martin , E. Marzec , A. Mastbaum , A. Mathewson , N. McCauley , A. B. McDonald , K. McFarlane , P. Mekarski , M. Meyer , C. Miller , C. Mills , G. Milton , M. Mlejnek , E. Mony , B. Morissette , D. Morris , I. Morton-Blake , M. J. Mottram , M. Mubasher , S. Nae , S. Naugle , M. Newcomer , M. Nirkko , L. J. Nolan , V. M. Novikov , H. M. O'Keeffe , E. O'Sullivan , G. D. Orebi Gann , S. Ouyang , J. Page , S. Pal , K. Paleshi , W. Parker , M. J. Parnell , J. Paton , S. J. M. Peeters , T. Pershing , Z. Petriw , J. Petzoldt , L. J. Pickard , D. Pracsovics , G. Prior , J. C. Prouty , B. Quenallata , S. Quirk , P. Ravi , S. Read , A. Reichold , M. Reinhard , S. Riccetto , M. Rigan , I. Ritchie , A. Robertson , B. C. Robertson , J. Rose , R. Rosero , P. M. Rost , J. Rumleskie , A. Sörensen , P. Schrock , M. A. Schumaker , M. H. Schwendener , D. Scislowski , J. Secrest , M. Seddighin , L. Segui , S. Seibert , I. Semenec , F. Shaker , T. Shantz , M. K. Sharma , J. Shen , T. M. Shokair , L. Sibley , J. Simms , J. R. Sinclair , K. Singh , P. Skensved , M. Smiley , T. Sonley , M. St-Amant , R. Stainforth , S. Stankiewicz , M. Strait , M. I. Stringer , A. Stripay , R. Svoboda , S. Tacchino , R. Tafirout , B. Tam , C. Tanguay , J. Tatar , L. Tian , N. Tolich , J. Tseng , H. W. C. Tseung , E. Turner , E. Vázquez-Jáuregui , S. Valder , R. Van Berg , J. G. C. Veinot , C. J. Virtue , B. von Krosigk , J. M. G. Walker , M. Walker , J. Wallig , S. C. Walton , F. Wang , J. Wang , M. Ward , J. Waterfield , J. J. Weigand , R. F. White , J. F. Wilkerson , J. R. Wilson , J. D. Wilson , T. J. Winchester , P. Woosaree , A. Wright , S. Yang , K. Yazigi , Z. Ye , M. Yeh , S. Yu , T. Zhang , Y. Zhang , T. Zhao , K. Zuber , A. Zummo

Reactor neutrinos have played a key role in understanding neutrino physics since their discovery. The so-called reactor-anti-neutrino-anomaly RAA, a ~6.5 $\%$ deficit of the mean observed neutrino flux compared to the prediction appeared…

High Energy Physics - Experiment · Physics 2020-03-02 Ilham El Atmani

The neutron lifetime has been measured by comparing the decay rate with the reaction rate of $^3$He nuclei of a pulsed neutron beam from the spallation neutron source at the Japan Proton Accelerator Research Complex (J-PARC). The decay rate…

We describe a method for determining the hierarchy of the neutrino mass spectrum and theta_13 through remote detection of antineutrinos from a nuclear reactor. This method utilizing a single, 10-kt scintillating liquid detector at a…

High Energy Physics - Experiment · Physics 2008-11-26 John Learned , Steve Dye , Sandip Pakvasa , Robert Svoboda

A laboratory has been set up at the Kuo-Sheng Nuclear Power Station at a distance of 28 m from the 2.9 GW reactor core to study low energy neutrino physics. A detector threshold of 5 keV and a background level of 1 counts/day-keV-kg at…

High Energy Physics - Experiment · Physics 2009-09-29 H. B. Li , TEXONO Collaboration

A prototype for the instrumented decay tunnel of ENUBET was tested in 2018 at the CERN East Area facility with charged particles up to 5 GeV. This detector is a longitudinal sampling calorimeter with lateral scintillation light readout. The…

Detecting the antineutrinos emitted by the decay of radioactive elements in the mantle and crust could provide a direct measurement of the total abundance of uranium and thorium in the Earth. In calculating the antineutrino flux at specific…

Nuclear Experiment · Physics 2015-06-26 Casey G. Rothschild , Mark C. Chen , Frank P. Calaprice

Coherent scattering is a flavor-blind, high-rate, as yet undetected neutrino interaction predicted by the Standard Model. We propose to use a compact (kg-scale), two-phase (liquid-gas) argon ionization detector to measure coherent neutrino…

Nuclear Experiment · Physics 2009-11-10 Chris Hagmann , Adam Bernstein

Composite detectors made of stainless steel converters and multigap resistive plate chambers have been irradiated with quasi-monoenergetic neutrons with a peak energy of 175MeV. The neutron detection efficiency has been determined using two…

New ${\bar{\nu}_e},e$ scattering experiments aimed for sensitive searches of the ${\nu}_e$ magnetic moment and projects to explore small mixing angle oscillations at reactors call for a better understanding of the reactor antineutrino…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Kopeikin , L. Mikaelyan , V. Sinev

From the discovery of the neutrino to the precision neutrino oscillation measurements in KamLAND, nuclear reactors have proven to be an important source of antineutrinos. As their power and our knowledge of neutrino physics has increased,…

Nuclear Experiment · Physics 2011-10-03 L. Winslow

We present Monte Carlo (MC) simulation results from a study of a compact plastic-scintillator detector suitable for imaging fast neutrons in the 1 -- 10 MeV energy range: the miniTimeCube (mTC). Originally designed for antineutrino…