Commissioning of the vacuum system of the KATRIN Main Spectrometer

Arenz, M.; Babutzka, M.; Bahr, M.; Barrett, J. P.; Bauer, S.; Beck, M.; Beglarian, A.; Behrens, J.; Bergmann, T.; Besserer, U.; Blümer, J.; Bodine, L. I.; Bokeloh, K.; Bonn, J.; Bornschein, B.; Bornschein, L.; Büsch, S.; Burritt, T. H.; Chilingaryan, S.; Corona, T. J.; Viveiros, L. De; Doe, P. J.; Dragoun, O.; Drexlin, G.; Dyba, S.; Ebenhöch, S.; Eitel, K.; Ellinger, E.; Enomoto, S.; Erhard, M.; Eversheim, D.; Fedkevych, M.; Felden, A.; Fischer, S.; Formaggio, J. A.; Fränkle, F.; Furse, D.; Ghilea, M.; Gil, W.; Glück, F.; Ureña, A. Gonzalez; Görhardt, S.; Groh, S.; Grohmann, S.; Grössle, R.; Gumbsheimer, R.; Hackenjos, M.; Hannen, V.; Harms, F.; Haußmann, N.; Heizmann, F.; Helbing, K.; Herz, W.; Hickford, S.; Hilk, D.; Hillen, B.; Höhn, T.; Holzapfel, B.; Hötzel, M.; Howe, M. A.; Huber, A.; Jansen, A.; Kernert, N.; Kippenbrock, L.; Kleesiek, M.; Klein, M.; Kopmann, A.; Kosmider, A.; Kovalík, A.; Krasch, B.; Kraus, M.; Krause, H.; Krause, M.; Kuckert, L.; Kuffner, B.; Cascio, L. La; Lebeda, O.; Leiber, B.; Letnev, J.; Lobashev, V. M.; Lokhov, A.; Malcherek, E.; Mark, M.; Martin, E. L.; Mertens, S.; Mirz, S.; Monreal, B.; Müller, K.; Neuberger, M.; Neumann, H.; Niemes, S.; Noe, M.; Oblath, N. S.; Off, A.; Ortjohann, H. -W.; Osipowicz, A.; Otten, E.; Parno, D. S.; Plischke, P.; Poon, A. W. P.; Prall, M.; Priester, F.; Ranitzsch, P. C. -O.; Reich, J.; Rest, O.; Robertson, R. G. H.; Röllig, M.; Rosendahl, S.; Rupp, S.; Ryšavý, M.; Schlösser, K.; Schlösser, M.; Schönung, K.; Schrank, M.; Schwarz, J.; Seiler, W.; Seitz-Moskaliuk, H.; Sentkerestiová, J.; Skasyrskaya, A.; Slezák, M.; Špalek, A.; Steidl, M.; Steinbrink, N.; Sturm, M.; Suesser, M.; Telle, H. H.; Thümmler, T.; Titov, N.; Tkachev, I.; Trost, N.; Unru, A.; Valerius, K.; Vénos, D.; Vianden, R.; Vöcking, S.; Wall, B. L.; Wandkowsky, N.; Weber, M.; Weinheimer, C.; Weiss, C.; Welte, S.; Wendel, J.; Wierman, K. L.; Wilkerson, J. F.; Winzen, D.; Wolf, J.; Wüstling, S.; Zacher, M.; Zadoroghny, S.; Zbořil, M.

doi:10.1088/1748-0221/11/04/P04011

Title: Commissioning of the vacuum system of the KATRIN Main Spectrometer

Journal Article · Thu Apr 07 00:00:00 EDT 2016 · Journal of Instrumentation

DOI:https://doi.org/10.1088/1748-0221/11/04/P04011· OSTI ID:1332967

Arenz, M.; Babutzka, M.; Bahr, M.; Barrett, J. P.; Bauer, S.; Beck, M.; Beglarian, A.; Behrens, J.; Bergmann, T.; Besserer, U.; Blümer, J.; Bodine, L. I.; Bokeloh, K.; Bonn, J.; Bornschein, B.; Bornschein, L.; Büsch, S.; Burritt, T. H.; Chilingaryan, S.; Corona, T. J. more »

The KATRIN experiment will probe the neutrino mass by measuring the β-electron energy spectrum near the endpoint of tritium β-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 β-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°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.

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Research Organization:: Univ. of California, Santa Barbara, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Organization:: Katrin Collaboration

Grant/Contract Number:: SC0004036; FG02-97ER41020; FG02-94E40818; FG02-97ER41041; FG02-97ER41033; AC02-05CH11231

OSTI ID:: 1332967

Alternate ID(s):: OSTI ID: 1454448

Journal Information:: Journal of Instrumentation, Vol. 11, Issue 04; ISSN 1748-0221

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited By (12)

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A Beta Spectrometer Based on Silicon Detectors Bazlov, N. V.; Bakhlanov, S. V.; Derbin, A. V. Instruments and Experimental Techniques, Vol. 61, Issue 3 https://doi.org/10.1134/s002044121803017x	journal	May 2018
$$\upbeta $$ β -Decay spectrum, response function and statistical model for neutrino mass measurements with the KATRIN experiment Kleesiek, M.; Behrens, J.; Drexlin, G. The European Physical Journal C, Vol. 79, Issue 3 https://doi.org/10.1140/epjc/s10052-019-6686-7	journal	March 2019
Technical design and commissioning of the KATRIN large-volume air coil system Erhard, M.; Behrens, J.; Bauer, S. Karlsruhe https://doi.org/10.5445/ir/1000080520	text	January 2018
First transmission of electrons and ions through the KATRIN beamline Arenz, M.; Baek, W. -J.; Beck, M. Karlsruhe https://doi.org/10.5445/ir/1000082218	text	January 2018
The KATRIN superconducting magnets: Overview and first performance results Arenz, M.; Baek, W. -J.; Beck, M. Karlsruhe https://doi.org/10.5445/ir/1000086485	text	January 2018
Improved Upper Limit on the Neutrino Mass from a Direct Kinematic Method by KATRIN Aker, M.; Altenmüller, K.; Arenz, M. American Physical Society (APS) https://doi.org/10.5445/ir/1000100414	text	January 2019
β-Decay spectrum, response function and statistical model for neutrino mass measurements with the KATRIN experiment Kleesiek, M.; Behrens, J.; Drexlin, G. Karlsruhe https://doi.org/10.5445/ir/1000092672	text	January 2019
First transmission of electrons and ions through the KATRIN beamline Arenz, M.; Baek, W. -J.; Beck, M. arXiv https://doi.org/10.48550/arxiv.1802.04167	text	January 2018
The KATRIN Superconducting Magnets: Overview and First Performance Results Arenz, M.; Baek, W. -J.; Beck, M. arXiv https://doi.org/10.48550/arxiv.1806.08312	text	January 2018
Impact of a cryogenic baffle system on the suppression of radon-induced background in the KATRIN Pre-Spectrometer Goerhardt, S.; Bonn, J.; Bornschein, L. arXiv https://doi.org/10.48550/arxiv.1808.09168	preprint	January 2018
An improved upper limit on the neutrino mass from a direct kinematic method by KATRIN Aker, M.; Altenmüller, K.; Arenz, M. arXiv https://doi.org/10.48550/arxiv.1909.06048	text	January 2019

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