Abstract
Electrons were trapped in an electrostatic quadrupole trap with superimposed homogeneous magnetic field. The electrons were polarized by spin exchange with a polarized atomic beam. The free trapped electron polarization was converted to a change in the electron translational energy via spin-dependent inelastic collisions with the atomic beam, and the electron translational temperature was monitored. Discussed are the development of this variation of the measurement technique, characteristics of electron storage, and the electron-polarized atom inelastic interaction as a function of electron temperature and time. The method has been applied to the detection of the (g-2) resonance of free, stored electrons.
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We are indebted to Prof. G. Gräff and to Dr. E. Klempt, Dr. G. Werth and Mr. K. Huber as well as other members of this group for the opportunity to use their beam apparatus, for substantial assistance with some measurements, and for helpful discussions. D.A.C. wishes to express his appreciation to the Deutsche Forschungsgemeinschaft for support, and to the Universities of Mainz and Bonn for the hospitality which permitted this investigation. We thank the D. F. G. for funding this research.
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Church, D.A., Mokri, B. Polarization detection of trapped electrons via interaction with polarized atoms. Z. Physik 244, 6–18 (1971). https://doi.org/10.1007/BF01394870
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DOI: https://doi.org/10.1007/BF01394870