Experiments with Ps-: A new approach to determine its decay rate

Schwalm, D.; Fleischer, F.; Gwinner, G.; Lestinsky, M.; Lichtenstein, V.

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Experiments with Ps^-: A new approach to determine its decay rate

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Schwalm, D.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Fleischer, F.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Gwinner, G.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Lestinsky, M.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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引用

Schwalm, D., Fleischer, F., Gwinner, G., Lestinsky, M., & Lichtenstein, V. (2005). Experiments with Ps^-: A new approach to determine its decay rate. In W., Greiner, & J., Reinhardt: (Eds.), Topics in Heavy Ion Physics: Proceedings of the Memorial Symposium for Gerhard Soff (pp. 203-213). Budapest: EP Systema.

引用: https://hdl.handle.net/11858/00-001M-0000-0011-8A55-E

要旨

We have started an experimental program to study the properties of the ngeative positronium ion Ps^-, a leptonic three-body system consiting of a positron and two electrons. As a first step we are presently remeasuring the dacay rate of the ion using a new method. Our present value of Γ=2.093(16)ns^-1 is already a factor of five more precise than the only available previous result.