High-voltage monitoring with a solenoid retarding spectrometer at the KATRIN experiment

被引:16
|
作者
Erhard, M. [1 ]
Bauer, S. [2 ]
Beglarian, A. [1 ]
Bergmann, T. [1 ]
Bonn, J. [3 ]
Drexlin, G. [1 ]
Goullon, J. [1 ]
Groh, S. [1 ]
Glueck, F. [1 ,4 ]
Kleesiek, M. [1 ]
Haussmann, N. [1 ]
Hoehn, T. [1 ]
Johnston, K. [5 ]
Kraus, M. [1 ]
Reich, J. [1 ]
Rest, O. [2 ]
Schloesser, K. [1 ]
Schupp, M. [1 ]
Slezak, M. [6 ,7 ]
Thuemmler, T. [1 ]
Venos, D. [7 ]
Weinheimer, C. [2 ]
Wuestling, S. [1 ]
Zboril, M. [2 ]
机构
[1] Karlsruhe Inst Technol, KCETA, D-76131 Karlsruhe, Germany
[2] Univ Munster, Inst Nucl Phys, D-48149 Munster, Germany
[3] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany
[4] Wigner Res Inst Phys, H-1525 Budapest, Hungary
[5] CERN, Dept Phys, CH-1211 Geneva, Switzerland
[6] Charles Univ Prague, Fac Math & Phys, CZ-12116 Prague, Czech Republic
[7] Acad Sci Czech Republ, Inst Nucl Phys, CZ-25068 Rez, Czech Republic
来源
关键词
Real-time monitoring; Spectrometers; Control systems; NEUTRINO; RESOLUTION; SPECTRA;
D O I
10.1088/1748-0221/9/06/P06022
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The KATRIN experiment will measure the absolute mass scale of neutrinos with a sensitivity of m(v) = 200 meV/c(2) by means of an electrostatic spectrometer set close to the tritium beta-decay endpoint at 18.6 keV. Fluctuations of the energy scale must be under control within +/- 60 mV (+/- 3 ppm). Since a precise voltage measurement in the range of tens of kV is on the edge of current technology, a nuclear standard will be deployed additionally. Parallel to the main spectrometer the same retarding potential will be applied to the monitor spectrometer to measure 17.8-keV K-conversion electrons of Kr-83m. This article describes the setup of the monitor spectrometer and presents its first measurement results.
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页数:24
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