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Effect of a sweeping conductive wire on electrons stored in a Penning-like trap between the KATRIN spectrometers
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SYSNO ASEP 0349726 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect of a sweeping conductive wire on electrons stored in a Penning-like trap between the KATRIN spectrometers Author(s) Beck, M. (DE)
Valerius, K. (DE)
Bonn, J. (DE)
Essig, K. (DE)
Gluck, F. (DE)
Ortjohann, H.W. (DE)
Ostrick, B. (DE)
Otten, E.W. (DE)
Thümmler, Th. (DE)
Zbořil, Miroslav (UJF-V) ORCID
Weinheimer, Ch. (DE)Source Title European Physical Journal A. - : Springer - ISSN 1434-6001
Roč. 44, č. 3 (2010), s. 499-511Number of pages 13 s. Language eng - English Country DE - Germany Keywords cross-sections ; scattering ; collisions Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders R&D Projects LA318 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10480505 - UJF-V (2005-2011) UT WOS 000278159300017 DOI 10.1140/epja/i2010-10959-1 Annotation The KATRIN experiment is going to search for the mass of the electron antineutrino down to 0.2 eV/c(2). In order to reach this sensitivity the background rate has to be understood and minimised to 0.01 counts per second. One of the background sources is the unavoidable Penning-like trap for electrons due to the combination of the electric and magnetic fields between the pre- and the main spectrometer at KATRIN. In this article we will show that by sweeping a conducting wire periodically through such a particle trap stored particles can be removed, an ongoing discharge in the trap can be stopped, and the count rate measured with a detector looking at the trap is reduced. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2011
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