Commissioning and Characterization of the Tritium Gas Circulation System of the KATRIN Experiment

Main Authors: KRASCH, Bennet, MARSTELLER, Alexander
Format: Proceeding poster
Terbitan: , 2018
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.