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Published October 21, 2013 | Published
Book Section - Chapter Open

Project 8: Precision electron specroscopy to measure the mass of the neutrino


The Project 8 Collaboration is exploring a new technique for the spectroscopy of medium-energy electrons (∼ 1 - 100 keV) with the ultimate goal of measuring the effective mass of the electron antineutrino by the tritium endpoint method. Our method is based on the detection of microwave-frequency cyclotron radiation emitted by magnetically trapped electrons. The immediate goal of Project 8 is to demonstrate the utility of this technique for a tritium endpoint experiment through a high-precision measurement of the conversion electron spectrum of ^(83)mKr . We present concepts for detecting this cyclotron radiation, focusing on a guided wave design currently being implemented in a prototype apparatus at the University of Washington.

Additional Information

© 2013 AIP Publishing LLC. Project 8 research is supported by the NSF, DOE Office of Nuclear Physics, an MIT Wade Award and the Laboratory Directed Research and Development Program at Pacific Northwest National Laboratory, a multiprogram national laboratory operated by Battelle for the U.S. Department of Energy under Contract DE-AC05-76RL01830.

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