Commissioning and Characterization of the Tritium Gas Circulation System of the KATRIN Experiment
Main Authors: | KRASCH, Bennet, MARSTELLER, Alexander |
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Format: | Proceeding poster |
Terbitan: |
, 2018
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Online Access: |
https://zenodo.org/record/1302931 |
Daftar Isi:
- The KATRIN (Karlsruhe Tritium Neutrino) experiment aims to measure the mass of the electron anti-neutrino $\overline{\nu}\mathrm{e}withasensitivityof200meV/c2bymeasuringthespectrumofthebetaelectronsclosetothekinematicendpointregion.Thebeta−electronsaregeneratedinawindowlessgaseoustritiumsource(WGTS)consistingofT_2moleculesinsideanenclosingbeam−tubeof10mlength,adiameterof90mmandatatemperatureof30K.Acontinuousfeedofmoleculartritium(40 g/day)intotheWGTSisnecessarytokeepthetritiumpuritystableonthe0.1\epsilon\mathrm{T}>95^{11}decayspersecond.Wepresentresultsofthespring2018commissioningofthegascirculationsystemwithdeuteriumfocussingonsystemcharacterizationandperformance,gasinjectionstabilityandanalysisoftimedependentcompositionalchanges(e.g.exchangebetweenH_2,HD,D_2$) measured by Raman spectroscopy.