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Guide hall n1 (ILL7), cold neutron guide H113 Vertical liquid deuterium cold source super-mirror (m=2) ballistic neutron guide H113, 76 m length Un-polarized beam cross-section 6 cm by 20 cm Height of ... of the neutron beam above the floor level PF1B: 140 cm Mean neutron wavelength 4.0-4.5 A Un-polarized equivalent flux at guide exit 2·10 10 n/cm ...

Tm Detector 32 x 32 pixels, each 1 cm 2 at a distance of 4.6 m from the sample 1 bar 3 He and 0.3 bar CF 4 area 32 x 32 cm 2 pixel size 1 cm 2 angular range θ 2° ... 70° (Cryostat) 2° ... 30° (Oven, Sample ... cavity, 1 m long (provided by HZB Berlin) FeCo-Si supermirrors on Si substrate analyser FeCo supermirrors (provided by HZB Berlin) ...

x H (mm2) ki/Å-1 flux/108 n cm-2s-1 PG (002) varible double focusing, mosaic 30' 290x200 2,662 4,1 6,8 10 Cu (200) variable double-focusing, anisotropic mosaic (h:25', v:10') 290x200 4,1 7 5 3.2 Si (111) ... perfect crystals, variable double focussing 230x200 2,662 4,1 3,3 4,8 Si (311) bent perfect crystals, variable double focussing 230x200 4,1 7 ...

energies, and wavevectors: 1.26 < λ/Å < 6.3 2.1 < Ei/meV < 42 1.0 < ki/Å-1 < 5.0 Measurements with a calibrated monitor at the sample position show for a typical wavevector of ki=2Å-1 a flux of about: double ... double focusing set up: 1.04 x 108 n cm -2 s -1 velocity selector in: 8.4 x 107 n cm -2 s -1 velocity selector, 60' collimation: 5.02 x 10 ...

hall n°1, cold guide H15 λ 6 to 1.5 (Å) Incoming energy Ei 2.2 to 36.4 (meV) energy resolution ΔE 0.055 to 3.0 (meV) Energy resolution ΔE / Ei 2.5 to 15.0% Max energy transfer in % of Ei 45% Qmin (A-1) 0.4/λ ... 200 meV max momentum transfer 5.9 Å -1 vertical divergence -22 to 22° beam size at the sample 3 x 5 cm 2 flux at the sample at 5 Å 8.0 x ...

amagnetic no mechanism on the beam developed by TEKNIKER Variable collimator system blades Borated Al 1mm thickness size 120 mm height 200 mm long Definition of the outgoing beam Prevents cross-talk between ... between channels Controlled by software Position sensitive Detector He filled tubes 54 tubes of Φ = 9 mm 1 mm spacing size 539 x 200 mm 2 ...

(117) (119) (337) (335) 2θ λ/Å λ/Å λ/Å λ/Å λ/Å λ/Å λ/Å 65° 1.83 - 1.17 0.85 - - - 90° 2.41 - 1.54 1.12 0.88 0.98 1.22 120° - 2.40 1.88 1.37 1.07 1.20 1.49 ωM/° 0 -10 9 14 16 -6 -15 Monochromator Geometry Vertical ... (002) Cu (200) take-off angle 2θ λ/Å Φ/n s-1cm-2 λ/Å Φ/n s -1 cm -2 26° - - 0.82 2.4 x 10 7 28° - - 0.88 3.2 x 10 7 30° - - 0.94 4.3 ...

... 10 8 n cm -2 s -1 angular range -60° < γ <140° -45° < ω <210° +56° < χ <205° -180° < φ <180° Detector 120° x 30° position-sensitive detector detector gas: 3He (5 atm) + CF4 (1 atm) Nominal resolution ... innovative design and works at high gas pressure (5 atm 3 He + 1 atm CF 4 ) for high efficiency coupled with high resolution (2.50 mm ...

Guide hall n 1, thermal guide H24 Guide Divergence - supermirror (m=2) 6.9 mrad Å Monochromator Vertically focussing and continuously variable pyrolytic graphite 1.8 < λ < 6 Å Cu (200) 1.1 < λ < 3 Å incident ... -3 absolute energy resolution δE 0.02 THz at ki = 1.55 Å -1 λ/2 contamination < 2 x 10 -4 at 1.26 Å with Cu monochromator and no analyser ...

2017 ~ 1.5 - 8 energy transfer (μeV) ±31 ±31 ±59 t.b.d., ~ ± 250 / ±70 / -850...1000 for Si(111) / Si(111) high rep. rate / Si(311) Q-range (Å -1 ) 0.1 - 1.8 0.1 - 1.8 0.7 - 3.5 t.b.d. ~ 0.2 - 1.8 comments ... comments high flux (HF) standard position NEW: choose chopper ratio 1:1 for 'high flux' or 2:1 for 'high signal-to-noise' (HSNR-mode) low ...