Calibration of high voltages at the ppm level by the difference of $$^{83{\mathrm{m}}}$$ 83 m Kr conversion electron lines at the KATRIN experiment

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ID: 109963
2018
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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 $$^{83{\mathrm{m}}}$$ 83 m Kr conversion electron lines with the KATRIN setup, which was demonstrated during KATRIN’s commissioning measurements in July 2017. The measured scale factor $$M=1972.449(10)$$ 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.
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Authors M. Arenz;W.-J. Baek;M. Beck;A. Beglarian;J. Behrens;T. Bergmann;A. Berlev;U. Besserer;K. Blaum;T. Bode;B. Bornschein;L. Bornschein;T. Brunst;N. Buzinsky;S. Chilingaryan;W. Q. Choi;M. Deffert;P. J. Doe;O. Dragoun;G. Drexlin;S. Dyba;F. Edzards;K. Eitel;E. Ellinger;R. Engel;S. Enomoto;M. Erhard;D. Eversheim;M. Fedkevych;S. Fischer;J. A. Formaggio;F. M. Fränkle;G. B. Franklin;F. Friedel;A. Fulst;W. Gil;F. Glück;A. Gonzalez Ureña;S. Grohmann;R. Grössle;R. Gumbsheimer;M. Hackenjos;V. Hannen;F. Harms;N. Haußmann;F. Heizmann;K. Helbing;W. Herz;S. Hickford;D. Hilk;D. Hillesheimer;M. A. Howe;A. Huber;A. Jansen;J. Kellerer;N. Kernert;L. Kippenbrock;M. Kleesiek;M. Klein;A. Kopmann;M. Korzeczek;A. Kovalík;B. Krasch;M. Kraus;L. Kuckert;T. Lasserre;O. Lebeda;J. Letnev;A. Lokhov;M. Machatschek;A. Marsteller;E. L. Martin;S. Mertens;S. Mirz;B. Monreal;H. Neumann;S. Niemes;A. Off;A. Osipowicz;E. Otten;D. S. Parno;A. Pollithy;A. W. P. Poon;F. Priester;P. C.-O. Ranitzsch;O. Rest;R. G. H. Robertson;F. Roccati;C. Rodenbeck;M. Röllig;C. Röttele;M. Ryšavý;R. Sack;A. Saenz;L. Schimpf;K. Schlösser;M. Schlösser;K. Schönung;M. Schrank;H. Seitz-Moskaliuk;J. Sentkerestiová;V. Sibille;M. Slezák;M. Steidl;N. Steinbrink;M. Sturm;M. Suchopar;M. Suesser;H. H. Telle;L. A. Thorne;T. Thümmler;N. Titov;I. Tkachev;N. Trost;K. Valerius;D. Vénos;R. Vianden;A. P. Vizcaya Hernández;M. Weber;C. Weinheimer;C. Weiss;S. Welte;J. Wendel;J. F. Wilkerson;J. Wolf;S. Wüstling;S. Zadoroghny;M. Arenz;W.-J. Baek;M. Beck;A. Beglarian;J. Behrens;T. Bergmann;A. Berlev;U. Besserer;K. Blaum;T. Bode;B. Bornschein;L. Bornschein;T. Brunst;N. Buzinsky;S. Chilingaryan;W. Q. Choi;M. Deffert;P. J. Doe;O. Dragoun;G. Drexlin;S. Dyba;F. Edzards;K. Eitel;E. Ellinger;R. Engel;S. Enomoto;M. Erhard;D. Eversheim;M. Fedkevych;S. Fischer;J. A. Formaggio;F. M. Fränkle;G. B. Franklin;F. Friedel;A. Fulst;W. Gil;F. Glück;A. Gonzalez Ureña;S. Grohmann;R. Grössle;R. Gumbsheimer;M. Hackenjos;V. Hannen;F. Harms;N. Haußmann;F. Heizmann;K. Helbing;W. Herz;S. Hickford;D. Hilk;D. Hillesheimer;M. A. Howe;A. Huber;A. Jansen;J. Kellerer;N. Kernert;L. Kippenbrock;M. Kleesiek;M. Klein;A. Kopmann;M. Korzeczek;A. Kovalík;B. Krasch;M. Kraus;L. Kuckert;T. Lasserre;O. Lebeda;J. Letnev;A. Lokhov;M. Machatschek;A. Marsteller;E. L. Martin;S. Mertens;S. Mirz;B. Monreal;H. Neumann;S. Niemes;A. Off;A. Osipowicz;E. Otten;D. S. Parno;A. Pollithy;A. W. P. Poon;F. Priester;P. C.-O. Ranitzsch;O. Rest;R. G. H. Robertson;F. Roccati;C. Rodenbeck;M. Röllig;C. Röttele;M. Ryšavý;R. Sack;A. Saenz;L. Schimpf;K. Schlösser;M. Schlösser;K. Schönung;M. Schrank;H. Seitz-Moskaliuk;J. Sentkerestiová;V. Sibille;M. Slezák;M. Steidl;N. Steinbrink;M. Sturm;M. Suchopar;M. Suesser;H. H. Telle;L. A. Thorne;T. Thümmler;N. Titov;I. Tkachev;N. Trost;K. Valerius;D. Vénos;R. Vianden;A. P. Vizcaya Hernández;M. Weber;C. Weinheimer;C. Weiss;S. Welte;J. Wendel;J. F. Wilkerson;J. Wolf;S. Wüstling;S. Zadoroghny;
Journal the european physical journal c
Year 2018
DOI
doi:10.1140/epjc/s10052-018-5832-y
URL
https://doi.org/10.1140/epjc/s10052-018-5832-y
Keywords
astronomy measurement science and instrumentation string theory quantum field theory elementary particles nuclear physics heavy ions hadrons quantum field theories astrophysics and cosmology nuclear energy

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