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Experimental verification of equilibrium para-hydrogen levels in hydrogen moderators irradiated by spallation neutrons at J-PARC.
- Source :
-
Nuclear Instruments & Methods in Physics Research Section B . Feb2016, Vol. 368, p66-70. 5p. - Publication Year :
- 2016
-
Abstract
- By sampling gaseous hydrogen from a circulating liquid hydrogen loop for Laser Raman spectroscopy, we measured the para-/ortho-hydrogen fractions in liquid hydrogen under neutron irradiation for the first time to identify whether irradiated hydrogen has an elevated ortho-hydrogen fraction. This measurement indicates that para-hydrogen equilibrium persists at 300 kW proton power in the presence of an iron(III) oxide hydroxide [Fe(OH) 3 ] catalyst. The measurements will be repeated as the power at the Japan Proton Accelerator Research Complex (J-PARC) increases to the MW level. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0168583X
- Volume :
- 368
- Database :
- Academic Search Index
- Journal :
- Nuclear Instruments & Methods in Physics Research Section B
- Publication Type :
- Academic Journal
- Accession number :
- 112197519
- Full Text :
- https://doi.org/10.1016/j.nimb.2015.12.023