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The simultaneous application of high magnetic fields and high pressures for controlling magnetic ground states is important for testing our understanding of many-body quantum theory. However, the implementation for neutron scattering…

Efficient neutron transport is a key ingredient to the performance of ultracold neutron (UCN) sources, important to meeting the challenges placed by high precision fundamental physics experiments. At the Paul Scherrer Institute's UCN source…

Instrumentation and Detectors · Physics 2022-06-22 G. Bison , M. Daum , K. Kirch , B. Lauss , D. Ries , P. Schmidt-Wellenburg , G. Zsigmond

The Deep Underground Neutrino Experiment (DUNE) is a leading-edge, international experiment for neutrino science and proton decay studies. This experiment is looking for answers regarding several fundamental questions about the nature of…

Instrumentation and Detectors · Physics 2021-08-24 Mihaela Parvu , Ionel Lazanu

We have measured the muon flux and production rate of muon-induced neutrons at a depth of 611 m water equivalent. Our apparatus comprises three layers of crossed plastic scintillator hodoscopes for tracking the incident cosmic-ray muons and…

We developed a 12-liter volume neutron detector filled with the liquid scintillator EJ301 that measures neutrons in an underground laboratory where dark matter and neutrino experiments are located. The detector target is a cylindrical…

Instrumentation and Detectors · Physics 2015-06-15 C. Zhang , D. -M. Mei , P. Davis , B. Woltman , F. Gray

Neutrinoless double-beta decay experiments can potentially determine the Majorana or Dirac nature of the neutrino, and aid in understanding the neutrino absolute mass scale and hierarchy. Future 76Ge-based searches target a half-life…

Neutrons travel along straight lines in free space, but only survive for a distance which depends on their energy. Thus, detecting neutrons in space in principle provides directional and distance information. Apart from secondary neutrons…

High Energy Astrophysical Phenomena · Physics 2017-08-07 Diego Casadei

Neutrino telescopes that measure relative fluxes of ultrahigh-energy $\nu_{e}, \nu_{\mu}, \nu_{\tau}$ can give information about the location and characteristics of sources, about neutrino mixing, and can test for neutrino instability and…

High Energy Physics - Phenomenology · Physics 2009-05-05 Gabriela Barenboim , Chris Quigg

We present two analysis techniques for distinguishing background events induced by neutrons from photon signal events in the search for the rare $K^0_L\rightarrow\pi^0\nu\bar{\nu}$ decay at the J-PARC KOTO experiment. These techniques…

High Energy Physics - Experiment · Physics 2026-04-22 Y. -C. Tung , J. Li , Y. B. Hsiung , C. Lin , H. Nanjo , T. Nomura , J. C. Redeker , N. Shimizu , S. Shinohara , K. Shiomi , Y. W. Wah , T. Yamanaka

The simulation of the neutron background for Phase II of the SIMPLE direct dark matter search experiment is fully reported with various improvements relative to previous estimates. The model employs the Monte Carlo MCNP neutron transport…

Instrumentation and Detectors · Physics 2016-01-27 A. C. Fernandes , A. Kling , M. Felizardo , T. A. Girard , A. R. Ramos , J. G. Marques , M. I. Prudêncio , R. Marques , F. P. Carvalho , I. Lázaro

Precision measurements of neutron properties, like its permanent electric dipole moment, rely on understanding complex experimental setups in detail. We show how the properties of stored and transported ultracold neutron ensembles can be…

Neutron production induced by ($\alpha$,n) reactions is important in various scenarios. One of the most relevant ones is related to underground dark matter experiments, where the neutrons produced by the $\alpha$-decay from radioactive…

High Energy Physics - Phenomenology · Physics 2020-02-21 E. Mendoza , D. Cano-Ott , P. Romojaro , V. Alcayne , P. García Abia , V. Pesudo , L. Romero , R. Santorelli

Tremendous efforts are required to scale the summit of observing neutrinoless double beta decay ($0 \nu \beta \beta$). This article quantitatively explores the interplay between exposure (target mass X data taking time) and background…

High Energy Physics - Experiment · Physics 2020-01-28 M. K. Singh , H. T. Wong , L. Singh , V. Sharma , V. Singh , Q. Yue

We report on the feasibility of using an isotropic flux of cosmic neutrinos in the energy range of 10 to 10,000 TeV to study the interior geophysical structure of the Earth. The angular distribution of events in a $\sim {\rm km}^3$-scale…

Astrophysics · Physics 2007-05-23 John P. Ralston , Pankaj Jain , George M. Frichter

We calculate the thermal flux of low-energy solar neutrinos and antineutrinos of all flavors arising from a variety of neutrino pair processes: Compton production (including plasmon-pole diagrams), neutral current decay of thermally…

Nuclear Theory · Physics 2009-11-06 W. C. Haxton , Wei Lin

In this paper we describe the development and first tests of a neutron spectrometer designed for high flux environments, such as the ones found in fast nuclear reactors. The spectrometer is based on the conversion of neutrons impinging on…

Instrumentation and Detectors · Physics 2015-12-09 M. Osipenko , M. Ripani , G. Ricco , B. Caiffi , F. Pompili , M. Pillon , M. Angelone , G. Verona-Rinati , R. Cardarelli , G. Mila , S. Argiro

The ultracold neutron (UCN) source at Los Alamos National Laboratory (LANL), which uses solid deuterium as the UCN converter and is driven by accelerator spallation neutrons, has been successfully operated for over 10 years, providing UCN…

A measurement of the $^8$B solar neutrino flux has been made using a 69.2 kt-day dataset acquired with the SNO+ detector during its water commissioning phase. At energies above 6 MeV the dataset is an extremely pure sample of solar neutrino…

High Energy Physics - Experiment · Physics 2019-02-05 The SNO+ Collaboration , : , M. Anderson , S. Andringa , S. Asahi , M. Askins , D. J. Auty , N. Barros , D. Bartlett , F. Barão , R. Bayes , E. W. Beier , A. Bialek , S. D. Biller , E. Blucher , R. Bonventre , M. Boulay , E. Caden , E. J. Callaghan , J. Caravaca , D. Chauhan , M. Chen , O. Chkvorets , B. Cleveland , C. Connors , I. T. Coulter , M. M. Depatie , F. Di Lodovico , F. Duncan , J. Dunger , E. Falk , V. Fischer , E. Fletcher , R. Ford , N. Gagnon , K. Gilje , C. Grant , J. Grove , A. L. Hallin , D. Hallman , S. Hans , J. Hartnell , W. J. Heintzelman , R. L. Helmer , J. L. Hernández-Hernández , B. Hreljac , J. Hu , A. S. Inácio , C. J. Jillings , T. Kaptanoglu , P. Khaghani , J. R. Klein , R. Knapik , L. L. Kormos , B. Krar , C. Kraus , C. B. Krauss , T. Kroupova , I. Lam , B. J. Land , R. Lane , A. LaTorre , I. Lawson , L. Lebanowski , E. J. Leming , A. Li , J. Lidgard , B. Liggins , Y. Liu , V. Lozza , M. Luo , S. Maguire , A. Maio , S. Manecki , J. Maneira , R. D. Martin , E. Marzec , A. Mastbaum , N. McCauley , A. B. McDonald , P. Mekarski , M. Meyer , M. Mlejnek , I. Morton-Blake , S. Nae , M. Nirkko , H. M. O'Keeffe , G. D. Orebi Gann , M. J. Parnell , J. Paton , S. J. M. Peeters , T. Pershing , L. Pickard , D. Pracsovics , G. Prior , A. Reichold , R. Richardson , M. Rigan , J. Rose , R. Rosero , J. Rumleskie , I. Semenec , K. Singh , P. Skensved , M. I. Stringer , R. Svoboda , B. Tam , L. Tian , J. Tseng , E. Turner , R. Van Berg , J. G. C. Veinot , C. J. Virtue , E. Vázquez-Jáuregui , J. Wang , J. J. Weigand , J. R. Wilson , P. Woosaree , A. Wright , J. P. Yanez , M. Yeh , K. Zuber , A. Zummo

A large fraction of neutrino research is taking place in facilities underground. In this paper, I review the underground facilities for neutrino research. I discuss ideas for future reactor experiments being considered to measure theta_13…

High Energy Physics - Experiment · Physics 2007-05-23 Maury Goodman

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