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A magnetic trap for antihydrogen confinement

W Bertsche, A Boston, P.D Bowe, C.L Cesar, S Chapman, M Charlton, M Chartier, A Deutsch, J Fajans, M.C Fujiwara, R Funakoshi, K Gomberoff, J.S Hangst, R.S Hayano, M.J Jenkins, L.V Jørgensen, P Ko, N Madsen, P Nolan, R.D Page, L.G.C Posada, A Povilus, E Sarid, D.M Silveira, D.P. van der Werf, Y Yamazaki, B Parker, J Escallier, A Ghosh, Dirk van der Werf Orcid Logo

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume: 566, Issue: 2, Pages: 746 - 756

Swansea University Author: Dirk van der Werf Orcid Logo

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DOI (Published version): 10.1016/j.nima.2006.07.012

Abstract

The goal of the ALPHA collaboration at CERN is to test CPT conservation by comparing the 1S–2S transitions of hydrogen and antihydrogen. To reach the ultimate accuracy of 1 part in 1018, the (anti)atoms must be trapped. Using current technology, only magnetic minimum traps can confine (anti)hydrogen...

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Published in: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ISSN: 0168-9002
Published: 2006
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa1557
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Abstract: The goal of the ALPHA collaboration at CERN is to test CPT conservation by comparing the 1S–2S transitions of hydrogen and antihydrogen. To reach the ultimate accuracy of 1 part in 1018, the (anti)atoms must be trapped. Using current technology, only magnetic minimum traps can confine (anti)hydrogen. In this paper, the design of the ALPHA antihydrogen trap and the results of measurements on a prototype system will be presented. The trap depth of the final system will be 1.16 T, corresponding to a temperature of 0.78K for ground state antihydrogen.
Item Description: This paper describes the design of the superconducting magnet system, comprising an octupole, two mirror coils and a solenoid to be used in the ALPHA experiment and reports on the testing of a prototype magnet system. Van der Werf played the leading role in the design and prepared the manuscript.
College: Faculty of Science and Engineering
Issue: 2
Start Page: 746
End Page: 756

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