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：

JOURNAL OF INSTRUMENTATION | 2014年 / 9卷

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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