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  Highly nuclear-spin-polarized deuterium atoms from the UV photodissociation of deuterium iodide.

Sofikitis, D., Glodic, P., Koumarianou, G., Jiang, H., Bougas, L., Samartzis, P. C., et al. (2017). Highly nuclear-spin-polarized deuterium atoms from the UV photodissociation of deuterium iodide. Physical Review Letters, 118(23): 233401. doi:10.1103/PhysRevLett.118.233401.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-76D0-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-76D3-9
Genre: Journal Article

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Sofikitis, D., Author
Glodic, P., Author
Koumarianou, G., Author
Jiang, H.1, Author              
Bougas, L., Author
Samartzis, P. C., Author
Andreev, A., Author
Rakitzis, T. P., Author
Affiliations:
1Department of Dynamics at Surfaces, MPI for Biophysical Chemistry, Max Planck Society, ou_578600              

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 Abstract: We report a novel highly spin-polarized deuterium (SPD) source, via the photodissociation of deuterium iodide at 270 nm. I(P-2(3/2)) photofragments are ionized with m-state selectivity, and their velocity distribution measured via velocity-map slice imaging, from which the D polarization is determined. The process produces similar to 100% electronically polarized D at the time of dissociation, which is then converted to similar to 60% nuclear D polarization after similar to 1.6 ns. These production times for SPD allow collision-limited densities of similar to 10(18) cm(-3) and at production rates of similar to 10(21) s(-1) which are 10(6) and 10(4) times higher than conventional (Stern-Gerlach separation) methods, respectively. We discuss the production of SPD beams, and combining high-density SPD with laser fusion, to investigate polarized D-T, D-He-3, and D-D fusion.

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Language(s): eng - English
 Dates: 2017-06-082017-06-09
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.118.233401
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Title: Physical Review Letters
Source Genre: Journal
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Pages: 5 Volume / Issue: 118 (23) Sequence Number: 233401 Start / End Page: - Identifier: -