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000047986 0247_ $$2DOI$$a10.1016/j.nima.2005.08.104
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000047986 084__ $$2WoS$$aInstruments & Instrumentation
000047986 084__ $$2WoS$$aNuclear Science & Technology
000047986 084__ $$2WoS$$aPhysics, Particles & Fields
000047986 084__ $$2WoS$$aSpectroscopy
000047986 1001_ $$0P:(DE-Juel1)VDB4177$$aPrager, M.$$b0$$uFZJ
000047986 245__ $$aUsing phase-space transformation for an improved hybrid cold time-of-flight spectrometer
000047986 260__ $$aAmsterdam$$bNorth-Holland Publ. Co.$$c2005
000047986 300__ $$a415 - 426
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000047986 440_0 $$04642$$aNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment$$v554$$x0168-9002
000047986 500__ $$aRecord converted from VDB: 12.11.2012
000047986 520__ $$aThe concept and layout of a time-of-flight spectrometer for cold neutrons is presented which makes use of the principle of phase-space transformation. Close to the focal plane determined by a first-curved monochromator a second moving crystal is placed. If moving with the right velocity this crystal monochromatizes the neutron beam and reduces at the same time its horizontal divergence. With pyrolithic graphite as monochromator focusing can be realized for 5 angstrom <= lambda <= 6.5 angstrom. At lambda = 6 angstrom an energy resolution delta E similar to 60 mu eV is calculated. Compared to time-focusing instruments improved momentum transfer resolution and good energy resolution at all energy transfers is obtained. A reduction of intensity by the second monochromator will be most likely balanced by improved background. The wavelength dependence of the energy focusing velocity restricts in practice the instrument to one or two fixed wavelengths. The instrument does not need an end position on a neutron guide. (c) 2005 Elsevier B.V. All rights reserved.
000047986 536__ $$0G:(DE-Juel1)FUEK341$$2G:(DE-HGF)$$aInstrumentierung für fortschrittliche Neutronenquellen$$cM06$$x0
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000047986 65320 $$2Author$$aneutron spectrometers
000047986 65320 $$2Author$$aphase-space transformation
000047986 65320 $$2Author$$atime-of-flight
000047986 7001_ $$0P:(DE-Juel1)VDB3582$$aGrimm, H.$$b1$$uFZJ
000047986 7001_ $$0P:(DE-HGF)0$$aKirstein, O.$$b2
000047986 773__ $$0PERI:(DE-600)1466532-3$$a10.1016/j.nima.2005.08.104$$gVol. 554, p. 415 - 426$$p415 - 426$$q554<415 - 426$$tNuclear instruments & methods in physics research / A$$v554$$x0168-9002$$y2005
000047986 8567_ $$uhttp://dx.doi.org/10.1016/j.nima.2005.08.104
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000047986 9131_ $$0G:(DE-Juel1)FUEK341$$bMaterie$$kM06$$lInstrumentierung für fortschrittliche Neutronenquellen$$vInstrumentierung für fortschrittliche Neutronenquellen$$x0
000047986 9141_ $$y2005
000047986 915__ $$0StatID:(DE-HGF)0010$$aJCR/ISI refereed
000047986 9201_ $$0I:(DE-Juel1)VDB341$$d31.12.2006$$gIFF$$kIFF-INS$$lNeutronenstreuung$$x0
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