Neutron Guide System for Ultracold and Cold Neutrons at the WWR-M Reactor
Journal Article
·
· Technical Physics
- Konstantinov Petersburg Nuclear Physics Institute, National Research Centre Kurchatov Institute (Russian Federation)
The results of calculation of fluxes of ultracold (UCNs), very cold, and cold neutrons at the output of neutron guides of the UCN source with superfluid helium at the WWR-M reactor are presented. UCN density ρ{sub 35L} = 1.3 × 10{sup 4} n/cm{sup 3} in the trap of the electric dipole moment (EDM) spectrometer was obtained by optimizing source parameters. This UCN density in the EDM spectrometer is two orders of magnitude higher than the UCN density at the output of the available UCN sources. The flux density of cold neutrons with a wavelength of 2–20 Å at the output of a neutron guide with a cross section of 30 × 200 mm{sup 2} should be as high as 1.1 × 10{sup 8} n/(cm{sup 2} s), while the flux density of very cold neutrons (50–100 Å) at the output of the same neutron guide should be 2.3 × 10{sup 5} n/(cm{sup 2} s). An extensive program of fundamental and applied physical research was mapped out for this source.
- OSTI ID:
- 22927689
- Journal Information:
- Technical Physics, Journal Name: Technical Physics Journal Issue: 5 Vol. 64; ISSN 1063-7842
- Country of Publication:
- United States
- Language:
- English
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