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Arenz, M. and Baek, W.-J. and Beck, M. and Beglarian, A. and Behrens, J. and Bergmann, T. and Berlev, A. and Besserer, U. and Blaum, K. and Bode, T. and Bornschein, B. and Bornschein, L. and Brunst, T. and Buzinsky, N. and Chilingaryan, S. and Choi, W. Q. and Deffert, M. and Doe, P. J. and Dragoun, O. and Drexlin, G. and Dyba, S. and Edzards, F. and Eitel, K. and Ellinger, E. and Engel, R. and Enomoto, S. and Erhard, M. and Eversheim, D. and Fedkevych, M. and Fischer, S. and Formaggio, J. A. and Fränkle, F. M. and Franklin, G. B. and Friedel, F. and Fulst, A. and Gil, W. and Glück, F. and González Ureña, A. and Grohmann, S. and Grössle, R. and Gumbsheimer, R. and Hackenjos, M. and Hannen, V. and Harms, F. and Haußmann, N. and Heizmann, F. and Helbing, K. and Herz, W. and Hickford, S. and Hilk, D. and Hillesheimer, D. and Howe, M. A. and Huber, A. and Jansen, A. and Kellerer, J. and Kernert, N. and Kippenbrock, L. and Kleesiek, M. and Klein, M. and Kopmann, A. and Korzeczek, M. and Kovalík, A. and Krasch, B. and Kraus, M. and Kuckert, L. and Lasserre, T. and Lebeda, O. and Letnev, J. and Lokhov, A. and Machatschek, M. and Marsteller, A. and Martin, E. L. and Mertens, S. and Mirz, S. and Monreal, B. and Neumann, H. and Niemes, S. and Off, A. and Osipowicz, A. and Otten, E. and Parno, D. S. and Pollithy, A. and Poon, A. W. P. and Priester, F. and Ranitzsch, P. C.-O. and Rest, O. and Robertson, R. G. H. and Roccati, F. and Rodenbeck, C. and Röllig, M. and Röttele, C. and Ryšavý, M. and Sack, R. and Saenz, A. and Schimpf, L. and Schlösser, K. and Schlösser, M. and Schönung, K. and Schrank, M. and Seitz-Moskaliuk, H. and Sentkerestiová, J. and Sibille, V. and Slezák, M. and Steidl, M. and Steinbrink, N. and Sturm, M. and Suchopar, M. and Suesser, M. and Téllez Nieto, Heréndira and Thorne, L. A. and Thümmler, T. and Titov, N. and Tkachev, I. and Trost, N. and Valerius, K. and Vénos, D. and Vianden, R. and Hernández, A. P. Vizcaya and Weber, M. and Weinheimer, C. and Weiss, C. and Welte, S. and Wendel, J. and Wilkerson, J. F. and Wolf, J. and Wüstling, S. and Zadoroghny, S. (2018) Calibration of high voltages at the ppm level by the difference of 83mKr conversion electron lines at the KATRIN experiment. The European Physical Journal C, 78 (5). ISSN 1434-6044
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Official URL: https://doi.org/10.1140/epjc%2Fs10052-018-5832-y
Abstract
The neutrino mass experiment KATRIN requires a stability of 3 ppm for the retarding potential at − 18.6 kV of the main spectrometer. To monitor the stability, two custom-made ultra-precise high-voltage dividers were developed and built in cooperation with the German national metrology institute Physikalisch-Technische Bundesanstalt (PTB). Until now, regular absolute calibration of the voltage dividers required bringing the equipment to the specialised metrology laboratory. Here we present a new method based on measuring the energy difference of two 83mKr conversion electron lines with the KATRIN setup, which was demonstrated during KATRIN’s commissioning measurements in July 2017. The measured scale factor M=1972.449(10) of the high-voltage divider K35 is in agreement with the last PTB calibration 4 years ago. This result demonstrates the utility of the calibration method, as well as the long-term stability of the voltage divider.
| Item Type: | Article |
|---|---|
| Subjects: | Sciences > Physics > Quantum theory |
| ID Code: | 74429 |
| Deposited On: | 27 Sep 2022 10:57 |
| Last Modified: | 28 Sep 2022 07:32 |
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