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Commissioning of the vacuum system of the KATRIN Main Spectrometer
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SYSNO ASEP 0460113 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Commissioning of the vacuum system of the KATRIN Main Spectrometer Tvůrce(i) Arenz, M. (DE)
Dragoun, Otokar (UJF-V) RID, SAI
Kovalík, Alojz (UJF-V) RID, ORCID, SAI
Lebeda, Ondřej (UJF-V) RID, ORCID, SAI
Ryšavý, Miloš (UJF-V) RID, ORCID, SAI
Sentkerestiová, Jana (UJF-V) SAI
Slezák, Martin (UJF-V) RID, ORCID
Špalek, Antonín (UJF-V) RID
Vénos, Drahoslav (UJF-V) RID, SAI, ORCID
Zbořil, Miroslav (UJF-V) ORCIDCelkový počet autorů 150 Zdroj.dok. Journal of Instrumentation. - : Institute of Physics Publishing - ISSN 1748-0221
Roč. 11, APR (2016), P04011Poč.str. 36 s. Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova gas systems and purification ; neutriono detectors ; spectrometers Vědní obor RIV BG - Jaderná, atomová a mol. fyzika, urychlovače CEP GAP203/12/1896 GA ČR - Grantová agentura ČR LG14004 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Institucionální podpora UJF-V - RVO:61389005 UT WOS 000375746400030 DOI 10.1088/1748-0221/11/04/P04011 Anotace The KATRIN experiment will probe the neutrino mass by measuring the beta-electron energy spectrum near the endpoint of tritium beta-decay. An integral energy analysis will be performed by an electro-static spectrometer ("Main Spectrometer"), an ultra-high vacuum vessel with a length of 23.2 m, a volume of 1240 m(3), and a complex inner electrode system with about 120 000 individual parts. The strong magnetic field that guides the beta-electrons is provided by super-conducting solenoids at both ends of the spectrometer. Its influence on turbo-molecular pumps and vacuum gauges had to be considered. A system consisting of 6 turbo-molecular pumps and 3 km of non-evaporable getter strips has been deployed and was tested during the commissioning of the spectrometer. In this paper the configuration, the commissioning with bake-out at 300 degrees C, and the performance of this system are presented in detail. The vacuum system has to maintain a pressure in the 10(-11) mbar range. It is demonstrated that the performance of the system is already close to these stringent functional requirements for the KATRIN experiment, which will start at the end of 2016. Pracoviště Ústav jaderné fyziky Kontakt Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Rok sběru 2017
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