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End of the thermal neutron guide H24 Diffraction geometry Transmission or backscattering Neutron beam Flux at sample position about 10 8 n/cm 2 /s Wavelength range 0.8 - 3.2 Å 10 detectors of 16 2 CCD ... ors. A pair of cameras view each facet of the octagonal scintillator array which ensures that the beam pipes do not obscure any part of the ...

Reactor hall, thermal beam IH3 Monochromator Double focusing – horizontal variable focusing. Incident beam area at the monochromator: 6 x 6 cm2. Monochromator surface: 20.8 x 8.6 cm2 20 crystals in a 4 ... 2 , out: 67x67 mm 2 ) Choppers Background chopper Fermi chopper 5000 rpm max 15000 rpm max Sample Beam area at the sample depending on the ...

providing about 15 m water equivalent (m.w.e.) against cosmic radiations. It is not fed by a neutron beam and is well-shielded against irradiation from the reactor and neighboring instruments (IN20 and D19)

continuous change of wavelength. Beam conditioning A set of diaphragms and vacuum collimation tubes is available in order to adjust the shape and divergence of the beam incident on the sample. Depending ... ration is significantly improved placing a Radial Oscillating Collimator in the way of the diffracted beam, so that the contribution of bulky ...

clarity reasons. Beam size at sample Width 20 mm Height 40 mm Detector coverage Horizontal -16º to +136º Vertical -13º to +30º INSTRUMENT DESCRIPTION Panther is installed on the H12 thermal beam tube in the ... can be varied, in order to maximize the flux on the sample position or to produce a less divergent beam for single-crystal measurements. A ...

Guide hall n°2, cold guide H522 Incident wavelength 3 ... 12Å Beam profile Incident beam divergence 20 mrad Beam cross section 55 x 120 mm 2 Velocity selector Incident wavelength 3 ... 12Å Velocity selector ... this is achieved by constructing large coils which are placed with their central axis parallel to the beam axis. This has strongly limited ...

momentum resolution δ|Q| is about δ|Q| ≈ 0.02 Å-1. If needed, δ|Q| can be considerably enhanced by beam collimation with compromises in neutron flux. Sample environment ThALES is compatible with most of

from 2K to 400K Detectors 3 He single detector distance to sample (variable) 1.1 - 6 m background (beam closed) 5 cts per minute 2 dim. position sensitive 3 He detector distance to sample (variable) 1.3

at 1.84 Å with beam area 1x1 cm 2 flux in front of interferometer 16000 n cm -2 s -1 flux in O-bean and H-beam 7000 n cm -2 s -1 contrast in O-beam 90% wavelength spread Δλ/λ 2.4% beam divergency 0.75° ... [331] wavelenght range 1.6 Å < λ <2.9 Å Beam cross section 2 x 5 cm 2 Interferometry Large perfect Si crystal interferometers of different ...

Reactor hall, beam tube H9 Sources 229 Th, 233 U, 235 U, 237 Np, 239 Pu, 241 Pu, 241 Am, 245 Cm, 249 Cf, 251 Cf flux at target position 5.3 · 10 14 n cm -2 s -1 horizontal aperture 2β ≤ 2.3° vertical aperture ... distribution in the products of thermal-neutron-induced nuclear fission at very high resolution. The beam intensity at the separator also ...