The Development of the NNBAR Experiment

The NNBAR experiment for the European Spallation Source will search for free neutrons converting to antineutrons with a sensitivity improvement of three orders of magnitude compared to the last such search. This paper describes progress towards a conceptual design report for NNBAR. The design of a m...

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Published in:arXiv.org 2022-09
Main Authors: Backman, F, Barrow, J, Beßler, Y, Bianchi, A, Bohm, C, Brooijmans, G, Broussard, L J, Calen, H, Cederkäll, J, Damian, J I M, Dian, E, Di Julio, D D, Dunne, K, Eklund, L, Ferreira, M J, Fierlinger, P, Friman-Gayer, U, Happe, C, Holl, M, Johansson, T, Kamyshkov, Y, Klinkby, E, Kolevatov, R, Kupsc, A, Meirose, B, Milstead, D, Nepomuceno, A, Nilsson, T, Oskarsson, A, Perrey, H, Ramic, K, Rataj, B, Rizzi, N, Santoro, V, Silverstein, S, Snow, W M, Takibayev, A, Wagner, R, Wolke, M, Yiu, S C, Young, A R, Zanini, L, Zimmer, O
Format: Article
Language:English
Subjects:
Antiparticles
Design of experiments
Design optimization
Sensitivity
Spallation
Online Access:Get full text
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Summary:The NNBAR experiment for the European Spallation Source will search for free neutrons converting to antineutrons with a sensitivity improvement of three orders of magnitude compared to the last such search. This paper describes progress towards a conceptual design report for NNBAR. The design of a moderator, neutron reflector, beamline, shielding and annihilation detector is reported. The simulations used form part of a model which will be used for optimisation of the experiment design and quantification of its sensitivity.
ISSN:2331-8422
DOI:10.48550/arxiv.2209.09011