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the room-temperature bore which is easy. Material in the beam The cryostat will have a very low background, since the only material in the beam (apart from the sample) will be 2 x 5 mm thick sapphire windows ... neutron access The maximum field at the sample position is to be 17 T horizontal, parallel to the beam, with 0.1% homogeneity over a 10 mm ...

a combination of several design features that result in the strongest flux of UCN/VCN worldwide: A beam of very cold neutrons is extracted from ILL's vertical cold source by an optimized neutron guide system ... would be necessary in the case of direct UCN extraction are greatly reduced; furthermore, part of the beam can be used for experiments ...

or below the sample in a wide q-range. With an incoming beam of wavelengths comprised between 2 Å and 30 Å, and M=4 supermirrors to deflect the beam, it is possible to attain a q-range up to 0.42 Å -1 (

Flipping ratio at sample position > 100 at λ = 4-8 Å (max. 150 at λ = 6 Å) over a beam with 20 mm diameter Collimation Beam attenuators A set of 4 sintered 10 B 4 C + Gd sieves (with identical hole density ... ASTRIUM ,) Δλ/λ ≈ 10 % (FWHM) (at zero rotation angle) Incident wavelength Variable, 3.2 ≤ λ [Å] ≤ 25 Beam monitor ( LND, Inc. ) Thin 235 U ...

wavelength the monochromatic beam has its highest flux of about 9.8 x 107 n cm-2 s-1. Soller collimators allow reduction of the natural divergence (27') of the incident polychromatic beam down to α1 = 10' or 20' ... Reactor hall (ILL5), level C, thermal beam H11 Monochromators for lower take-off angles HOPG (002) Cu (200) take-off angle 2θ λ/Å Φ/n ...

you can calculate the normalization and attenuation factors from a direct beam measurement (called 'Direct beam') and reflected beam measurments (called 'D2O'), where the first angle should have some total ... clicking 'Transfer factors' button. You can do the same transfer with the direct beam numbers and the Sample theta values. Beam ...

Material in the beam Sample Dimensions Ø x height (mm) Type 68IL3H100 (unavailable) 350 mK - 300 K A5-AG3 Ø150 x 190 Bottom loading 137IL3H34 400 mK - 300 K A5 Ø34 x 115 (60 max from holder to beam) Insert for

is 0.5% in a Ø10mm sphere centered on the beam axis. The beam opening is Ø20mm. The standard sample stick can be inserted so that its extremity reaches the beam height. Type ILL VTI Tmin 1.5K Tmax 300K

to 26 % (depending on chopper pair & detector distance) Collimation 4 movable guide sections 2.5 m Beam nose 2.8 m Guide cross-section 30 x 30 mm Source-to-sample distances (m) 2.8, 5.3, 7.8, 10.3, 12.8 ... mode: a velocity selector and flexible system of inter-collimation apertures defines the neutron beam. TOF mode: a chopper system allows an ...

pySAred (.h5 files reduction software) Features: Automated .h5 files processing Automated Direct Beam (.h5) selection based on the data scan name Preview panels for Reflectivity Profile, Detector Images ... 2Theta", "Qx vs. Qz") Reductions / Corrections available: -- Devision by monitor / time -- Direct beam normalization (incl. DB attenuator ...