Monte-Carlo calculations for increasing of very cold neutron flux. Shabalin E., Verhoglyadov А. FLNP JINR. Main concept. CN: λ≈ 4÷20Å VCN: λ >20Å. Neutron spectrum. Cold (cryogenic) moderators Low rate of VCN in Maxwellian spectrum Neutron guides and radiation damage
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Monte-Carlo calculations for increasing of very cold neutron flux
Shabalin E., Verhoglyadov А.
VCN coherent elastic scattered by particles as a whole
Differential cross section
Calculating of the VCN transport was done by Monte Carlo statistical test
Differential albedo (azimuth angle dependence)
Differential albedo (polar angle dependence)
Total albedo depending on
incident polar angle
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