Measurement of the Polarization of a Deuterium Atomic Beam Using a Lamb Shift Polarimeter

— 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 at...

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Bibliographic Details
Published in:Instruments and experimental techniques (New York) 2023-08, Vol.66 (4), p.531-537
Main Authors: Toporkov, D. K., Glukhovchenko, S. Yu, Nikolenko, D. M., Rachek, I. A., Semeonov, A. M., Shestakov, Yu. V.
Format: Article
Language:English
Subjects:
Atomic beams
Deuterium
Deuterons
Electrical Engineering
Measurement Science and Instrumentation
Nuclear Experimental Technique
Nuclear physics
Photodisintegration
Physical Chemistry
Physics
Physics and Astronomy
Polarimeters
Storage rings (particle accelerators)
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Summary:— 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.
ISSN:0020-4412
1608-3180
DOI:10.1134/S0020441223030235