An Experimental Setup for Production of Polarized H 2 and D 2 Molecules

D. K. Toporkov, S. A. Zevakov, D. M. Nikolenko, I. A. Rachek, Yu V. Shestakov, A. V. Yurchenko

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


The setup is designed to produce spin-polarized hydrogen and deuterium molecules. Superconducting sextupole magnets with a magnetic induction of 3.4 T near the poles and a field gradient of 320 T/m were used for the spatial separation of molecules with different magnetic moments by spin filtration in an inhomogeneous magnetic field. The choice of the location of the polarized-molecule source elements is justified. Cryogenic pumps are used in the molecular-beam detection chamber in order to obtain an ultrahigh vacuum. At a nozzle temperature of 7 K, the measured flux of spin-polarized hydrogen molecules is 3 x 10(12) molecules/s. For deuterium, the measured flux is lower by more than seven times due to the small magnetic moments.

Original languageEnglish
Pages (from-to)56-61
Number of pages6
JournalInstruments and Experimental Techniques
Issue number1
Publication statusPublished - 1 Jan 2019


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