Abstract—
A cryogenic source of polarized deuterium atoms is described. This source is used in the experiment on measuring the analyzing powers in the deuteron photodisintegration reaction at the VEPP-3 electron storage ring at the Budker Institute of Nuclear Physics. The efficiency has been measured for atomic transitions to a specified energy state in the medium field transition (MFT) unit, in the strong field transition (SFT) unit, and for joint operation of these units. A Lamb shift polarimeter was used in the measurements. The measured efficiency of the units is over 90%. The procedure for determining the background in the polarimeter is presented. The use of pumping in the ionizer chamber is expected to significantly reduce the background signal.
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ACKNOWLEDGMENTS
We are grateful to Markus Büscher, Ralf Engels, and Lukas Huxold for their help in carrying out the work and the numerous discussions.
Funding
This work was supported by a grant of the Russian Science Foundation (no. 16-42-01009) jointly with a grant of the German Research Foundation (no. DFG BU 2227/1-1).
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Translated by N. Goryacheva
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Toporkov, D.K., Glukhovchenko, S.Y., Nikolenko, D.M. et al. Measurement of the Polarization of a Deuterium Atomic Beam Using a Lamb Shift Polarimeter. Instrum Exp Tech 66, 531–537 (2023). https://doi.org/10.1134/S0020441223030235
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DOI: https://doi.org/10.1134/S0020441223030235