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Hyperfine Interactions

, Volume 196, Issue 1–3, pp 3–23 | Cite as

Searching the absolute neutrino mass in tritium β-decay—interplay between nuclear, atomic and molecular physics

  • Ernst OttenEmail author
Article

Abstract

The paper treats recent experiments measuring the endpoint region of tritium β-decay with high resolution, sensitivity and background rejection, using an electrostatic filter with adiabatic magnetic collimation. The spectra are analysed with respect to the neutrino mass. These results form the primary source for the present upper limit of the neutrino mass m ν  < 2 eV quoted by the particle data group. Particular attention is paid to the decisive influence which atomic and molecular physics effects take on the results. A brief outlook on future experiments is given.

Keywords

Absolute neutrino mass Tritium β-decay Tritium β-spectrometer Experimental techniques in Troitsk, Mainz KATRIN experiment 

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Institute of PhysicsUniversity of MainzMainzGermany

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