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Related papers: The Development of the NNBAR Experiment

200 papers

Neutron-antineutron oscillation (nnbar-osc) is a baryon-number-violating process and a sensitive probe for physics beyond the Standard Model. Ultra-cold neutrons (UCNs) are attractive for nnbar-osc searches because of their long storage…

High Energy Physics - Experiment · Physics 2025-09-19 Tatsushi Shima

We investigate neutron--antineutron oscillations of ultracold neutrons in a storage bottle represented by a one-dimensional potential. The experimental sensitivity is determined by the annihilation rate of antineutrons. Its dependence on…

High Energy Physics - Experiment · Physics 2026-02-13 Hiroyuki Fujioka , Takashi Higuchi

We study the potential of a set of future detectors, proposed to be located at the European Spallation Source (ESS), to probe neutrino millicharges through coherent elastic neutrino-nucleus scattering. In particular, we focus on detectors…

High Energy Physics - Phenomenology · Physics 2024-09-18 Alexander Parada , G. Sanchez Garcia

The wavelengths and energies of thermal and cold neutrons are ideally matched to the length and energy scales in the materials that underpin technologies of the present and future: ranging from semiconductors to magnetic devices, composites…

Accelerator Physics · Physics 2007-05-23 T. E. Mason , T. A. Gabriel , R. K. Crawford , K. W. Herwig , F. Klose , J. F. Ankner

Building the European Spallation Source (ESS), the most powerful neutron source in the world, requires significant technological advances at most fronts of instrument component design. Detectors are not an exception. The existing…

Experimental searches for neutron--antineutron ($n \rightarrow \bar n$) transitions can be considered via two approaches: conversion in free-neutron beams and intranuclear transformation leading to matter instability in large-mass…

High Energy Physics - Phenomenology · Physics 2025-11-04 Joshua L. Barrow , Peter Fierlinger , Yuri Kamyshkov , Bernhard Meirose , David Milstead , Rabindra N. Mohapatra , Valentina Santoro

Majorana neutrino electromagnetic properties are studied through neutral current coherent neutrino-nucleus scattering. We focus on the potential of the recently planned COHERENT experiment at the Spallation Neutron Source to probe…

High Energy Physics - Phenomenology · Physics 2015-07-29 T. S. Kosmas , O. G. Miranda , D. K. Papoulias , M. Tortola , J. W. F. Valle

The European Spallation Source (ESS), currently under construction in Sweden, will provide an intense pulsed neutrino flux allowing for high-statistics measurements of coherent elastic neutrino-nucleus scattering (CE{\nu}NS) with advanced…

High Energy Physics - Phenomenology · Physics 2023-04-03 Sabya Sachi Chatterjee , Stéphane Lavignac , O. G. Miranda , G. Sanchez Garcia

New generation of neutron decay experiments, which can be done with high accuracy at new Spallation Neutron Sources, are very important for solution of current problems of fundamental physics and for tests of the Standard Model. The open…

Nuclear Theory · Physics 2016-09-08 Vladimir Gudkov

Novel experimental techniques are required to make the next big leap in neutron electric dipole moment experimental sensitivity, both in terms of statistics and systematic error control. The nEDM experiment at the Spallation Neutron Source…

NEUCAL is a neutron detector which is currently under study to be used as a sub-detector complementing electromagnetic (e.m.) calorimeters for electron/hadron discrimination in cosmic rays at high energy. Its aim is to reveal the different…

The European Spallation Source is being constructed in Lund, Sweden and is planned to be the world's brightest pulsed spallation neutron source for cold and thermal neutron beams ($\le$ 1 eV). The facility uses a 2 GeV proton beam to…

Instrumentation and Detectors · Physics 2018-07-04 V. Santoro , D. D. DiJulio , S. Ansell , N. Cherkashyna , G. Muhrer , P. M. Bentley

The recent detection of coherent elastic neutrino-nucleus scattering (CE$\nu$NS) opens the possibility to use neutrinos to explore physics beyond standard model, with small-size detectors. However, the CE$\nu$NS process generates signals at…

High Energy Physics - Experiment · Physics 2024-01-10 A. Simón

If neutrinos get mass through the exchange of lepton mediators, as in seesaw schemes, the neutrino appearance probabilities in oscillation experiments are modified due to effective nonunitarity of the lepton mixing matrix. This also leads…

High Energy Physics - Phenomenology · Physics 2022-11-02 Sabya Sachi Chatterjee , O. G. Miranda , M. Tórtola , J. W. F. Valle

The values of the antineutron-nucleus scattering lengths, and in particular their imaginary parts, are needed to evaluate the feasibility of using neutron mirrors in laboratory experiments to search for neutron-antineutron oscillations. We…

High Energy Physics - Phenomenology · Physics 2020-10-28 K. V. Protasov , V. Gudkov , E. A. Kupriyanova , V. V. Nesvizhevsky , W. M. Snow , A. Yu. Voronin

We present the design of a next-generation experiment, n2EDM, currently under construction at the ultracold neutron source at the Paul Scherrer Institute (PSI) with the aim of carrying out a high-precision search for an electric dipole…

Superheated droplets are proven to be excelent detectors for neutrons and could be used as a neutron dosimeter. To detect accurately the volume of the vapour formed upon nucleation and hence to observe the nucleation quantitatively an air…

Instrumentation and Detectors · Physics 2009-11-06 B. Roy , B. K. Chatterjee , Mala Das , S. C. Roy

European Spallation Source (ESS) will deliver neutrons at high flux for use in diverse neutron scattering techniques. The neutron source facility and the scientific instruments will be located in Lund, and the Data Management and Software…