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Accurate calibration of the Raman system for the Karlsruhe Tritium Neutrino Experiment

Schlösser, Magnus Richard Hermann

Abstract:
The KATRIN experiment aims to measure the neutrino mass with a sensitivity of m=0.2 eV/c² (90% C.L.). One parameter, the isotopic composition of the tritium gas source, is measured inline by Raman spectroscopy. The required measurement trueness of the composition is <10%. Thus, accurate calibration of the Raman system is required. This is successfully obtained by two independent calibration methods: a gas sampling technique and an approach via theoretical intensities plus spectral sensitivity.

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DOI: 10.5445/IR/1000034967
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Zugehörige Institution(en) am KIT Institut für Experimentelle Kernphysik (IEKP)
Publikationstyp Hochschulschrift
Jahr 2013
Sprache Englisch
Identifikator urn:nbn:de:swb:90-349674
KITopen-ID: 1000034967
Verlag KIT, Karlsruhe
Abschlussart Dissertation
Fakultät Fakultät für Physik (PHYSIK)
Institut Institut für Experimentelle Kernphysik (IEKP)
Prüfungsdaten 26.04.2013
Referent/Betreuer Prof. G. Drexlin
Schlagworte quantitative Raman spectroscopy, tritium, absolute calibration, hydrogen isotopologues
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
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