Krypton source for the Project 8 neutrino mass experiment Arman Ballado Advisor: Mike Miller.

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Presentation transcript:

Krypton source for the Project 8 neutrino mass experiment Arman Ballado Advisor: Mike Miller

Neutrino mass measurement Griffiths

Tritium Beta Decay  Endpoint energy of keV J.A. Formaggio

Project 8 Concept

Calibration using Krypton-83m

Concerns with krypton  How does it behave at temperatures near liquid nitrogen or lower?  Does it condense on the cold surface?

Krypton Vapor Pressure

Setup

Temperature Standoff

Residual Gas Analyzer  Ionizer -> Quadrupole Mass Filter -> Detector

Background Data

Krypton Abundances

Pressure vs. Time

Estimated Pressure from Radioactive Source

Conclusion  It appears that no significant condensation of krypton occurs, but more tests are needed to be sure.  It would be very difficult to detect the radioactive krypton using the RGA

Krypton Production

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