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SuperKamiokande (SK) doped with gadolinium has the capability to efficiently identify electron-antineutrinos through inverse beta-decay. Given the size of SK and the number of nuclear reactors in its vicinity, we argue that SK can observe…

High Energy Physics - Phenomenology · Physics 2020-09-16 André de Gouvêa , Ivan Martinez-Soler

Recently, the JUNO experiment published its measurement of the solar neutrino oscillation parameters $\Delta m^2_{21}$ and $\sin^2\theta_{12}$ based on 59 days of data, with central values differing by $0.2\sigma$ from those released by the…

High Energy Physics - Experiment · Physics 2026-05-19 Guihong Huang

SNO+ is a large multipurpose neutrino detector situated 2km underground at SNOLAB in Sudbury, Canada. It reuses the structure of the SNO experiment with numerous infrastructure upgrades and with heavy water replaced by ultra-pure liquid…

High Energy Physics - Experiment · Physics 2019-04-03 Josephine Paton

It is considered the detection of neutrinos moving from the opposite directions. The states of the particle of the detector interacting with the neutrinos are connected with the P-transformation. Hence only a half of neutrinos gives…

General Physics · Physics 2007-05-23 D. L. Khokhlov

The SNO+ experiment is the follow-up to the Sudbury Neutrino Observatory (SNO). The heavy water that was in SNO will be replaced with a liquid scintillator of linear alkylbenzene (plus fluor). SNO+ has many physics goals including detecting…

High Energy Physics - Experiment · Physics 2019-08-14 Mark C. Chen

The primary goal of KamLAND is a search for the oscillation of $\bar{\nu}_{\rm e}$$'$s emitted from distant power reactors. The long baseline, typically 180 km, enables KamLAND to address the oscillation solution of the solar neutrino…

High Energy Physics - Experiment · Physics 2015-06-22 Atsuto Suzuki

We give an alternative description of the new data produced in the KamLAND experiment, assuming the existence of a natural nuclear reactor on the boundary of the liquid and solid phases of the Earth's core. Analyzing the uncertainty of…

The Sudbury Neutrino Observatory (SNO) is a water imaging Cherenkov detector. Its usage of 1000 metric tons of D$_{2}$O as target allows the SNO detector to make a solar-model independent test of the neutrino oscillation hypothesis by…

Nuclear Experiment · Physics 2019-08-14 A. W. P. Poon

We calculate the Supernova Relic Neutrino (SRN) background flux for the KamLAND and Super-Kamiokande (SK) detectors, motivated by the reduction in background at SK and new results for the star formation history (e.g., from the Sloan Digital…

Astrophysics · Physics 2014-10-13 Louis E. Strigari , Manoj Kaplinghat , Gary Steigman , Terry P. Walker

One long-standing tension in the determination of neutrino parameters is the mismatched value of the solar mass square difference, $\Delta m_{21}^2$, measured by different experiments: the reactor antineutrino experiment KamLAND finds a…

High Energy Physics - Phenomenology · Physics 2024-05-31 Rasmi Hajjar , Sergio Palomares-Ruiz , Olga Mena

KamLAND has been used to measure the flux of $\bar{\nu}_e$'s from distant nuclear reactors. In an exposure of 162 ton$\cdot$yr (145.1 days) the ratio of the number of observed inverse $\beta$-decay events to the expected number of events…

High Energy Physics - Experiment · Physics 2012-08-27 KamLAND Collaboration

We present an updated analysis of all available solar and reactor neutrino data, emphasizing in particular the totality of the KamLAND results and including the SNO phase III spectrum data. In a two active-neutrino framework, we determine…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Aliani , V. Antonelli , R. Ferrari , M. Picariello , E. Torrente-Lujan

The Kamioka Liquid scintillator Anti-Neutrino Detector (KamLAND) is sensitive to the neutrino event spectrum from (mainly Japanese) nuclear reactors in both the energy domain and the time domain. While the energy spectrum of KamLAND events…

High Energy Physics - Phenomenology · Physics 2009-10-07 G. L. Fogli , E. Lisi , A. Palazzo , A. M. Rotunno

SNO+ is a multipurpose neutrino experiment located approximately 2 km underground in SNOLAB, Sudbury, Canada. The detector started taking physics data in May 2017 and is currently completing its first phase, as a pure water Cherenkov…

The Sudbury Neutrino Observatory (SNO) is a water imaging Cherenkov detector. Utilising a 1 kilotonne ultra-pure D2O target, it is the first experiment to have equal sensitivity to all flavours of active neutrinos. This allows a solar-model…

Nuclear Experiment · Physics 2019-08-14 Gordon A. McGregor

We present an updated analysis of all available solar and reactor neutrino data, emphasizing in particular the totality of the KamLAND (314d live time) results and including for the first time the solar $SNO$ (391d live time, phase II…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Antonelli , E. Torrente-Lujan

SNO+ is a large-scale liquid scintillator experiment with the primary goal of searching for neutrinoless double beta decay, and is located approximately 2 km underground in SNOLAB, Sudbury, Canada. The detector acquired data for two years…

Instrumentation and Detectors · Physics 2021-10-20 SNO+ Collaboration , : , M. R. Anderson , S. Andringa , M. Askins , D. J. Auty , F. Barão , N. Barros , R. Bayes , E. W. Beier , A. Bialek , S. D. Biller , E. Blucher , M. Boulay , E. Caden , E. J. Callaghan , J. Caravaca , M. Chen , O. Chkvorets , B. Cleveland , D. Cookman , J. Corning , M. A. Cox , C. Deluce , M. M. Depatie , F. Di Lodovico , J. Dittmer , E. Falk , N. Fatemighomi , V. Fischer , R. Ford , K. Frankiewicz , A. Gaur , K. Gilje , O. I. González-Reina , D. Gooding , C. Grant , J. Grove , A. L. Hallin , D. Hallman , J. Hartnell , W. J. Heintzelman , R. L. Helmer , J. Hu , R. Hunt-Stokes , S. M. A. Hussain , A. S. Inácio , C. J. Jillings , T. Kaptanoglu , P. Khaghani , H. Khan , J. R. Klein , L. L. Kormos , B. Krar , C. Kraus , C. B. Krauss , T. Kroupová , I. Lam , B. J. Land , A. LaTorre , I. Lawson , L. Lebanowski , C. Lefebvre , A. Li , J. Lidgard , Y. H. Lin , Y. Liu , V. Lozza , M. Luo , A. Maio , S. Manecki , J. Maneira , R. D. Martin , N. McCauley , A. B. McDonald , M. Meyer , C. Mills , I. Morton-Blake , S. Nae , M. Nirkko , L. J. Nolan , H. M. O'Keeffe , G. D. Orebi Gann , J. Page , W. Parker , J. Paton , S. J. M. Peeters , T. Pershing , L. Pickard , G. Prior , P. Ravi , A. Reichold , S. Riccetto , R. Richardson , M. Rigan , J. Rose , J. Rumleskie , I. Semenec , F. Shaker , M. K. Sharma , P. Skensved , M. Smiley , R. Stainforth , R. Svoboda , B. Tam , J. Tseng , E. Turner , S. Valder , E. Vázquez-Jáuregui , J. G. C. Veinot , C. J. Virtue , J. Wang , M. Ward , J. J. Weigand , J. R. Wilson , A. Wright , J. P. Yanez , M. Yeh , S. Yu , T. Zhang , Y. Zhang , K. Zuber , A. Zummo

SNO+ will search for neutrinoless double beta decay by loading 780 tonnes of linear alkylbenzene liquid scintillator with O(tonne) of neodymium. Using natural Nd at 0.1% loading will provide 43.7 kg of 150Nd given its 5.6% abundance and…

Instrumentation and Detectors · Physics 2019-08-14 J. Hartnell

The DANSS project is aimed at creating a relatively compact neutrino spectrometer which does not contain any flammable or other dangerous liquids and may therefore be located very close to the core of an industrial power reactor. As a…

The recent long-term shutdown of Japanese nuclear reactors has resulted in a significantly reduced reactor $\bar{nu}_{e}$ flux at KamLAND. This running condition provides a unique opportunity to confirm and constrain backgrounds for the…

High Energy Physics - Experiment · Physics 2013-03-21 The KamLAND Collaboration