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Status of the Design of an Annihilation Detector to Observe Neutron-Antineutron Conversions at the European Spallation Source
Name
symmetry-14-00076.pdf
Size
2.46 MB
Format
Adobe PDF
Checksum (MD5)
4a1cd864c239623703b1662e3e082f9c
Author(s)
Yiu, Sze-Chun
Meirose, Bernhard
Barrow, Joshua
Bohm, Christian
Brooijmans, Gustaaf
Dunne, Katherine
Golubeva, Elena S.
Milstead, David
Nepomuceno, André
Oskarsson, Anders
Date Issued
January 5, 2022
Publisher
Multidisciplinary Digital Publishing Institute
Citation
Symmetry 14 (1): 76 (2022)
Version
Final published version
Abstract
The goal of the HIBEAM/NNBAR program is to search for baryon number violation via the conversion or oscillation of neutrons into sterile neutrons and/or antineutrons at the European Spallation Source. A key experimental component of the program is the construction of an annihilation detector to directly observe the production of an antineutron following the oscillation. Design studies for the annihilation detector are presented. The predicted response of the detector models are studied using Geant4 simulations made with Monte Carlo simulations of the annihilation signal topology and cosmic ray backgrounds. Particle identification and sensitive discriminating observables, such as invariant mass and sphericity, are shown.
Terms of Use
Creative Commons Attribution
Persistent DSpace Link
DOI of Published Version
http://dx.doi.org/10.3390/sym14010076
