000129125 001__ 129125
000129125 005__ 20240619092041.0
000129125 037__ $$aFZJ-2013-00645
000129125 1001_ $$0P:(DE-Juel1)144823$$aViolini, Nicolo$$b0$$eCorresponding author
000129125 1112_ $$aDeutsche Neutronenstreutagung$$cGSI Bonn$$d2012-09-24 - 2012-09-26$$wGermany
000129125 245__ $$aDevelopment of a multi-band direct geometry chopper spectrometer for the future European Spallation Source
000129125 260__ $$c2012
000129125 3367_ $$0PUB:(DE-HGF)24$$2PUB:(DE-HGF)$$aPoster$$bposter$$mposter$$s1358869325_1725$$xOther
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000129125 3367_ $$2BibTeX$$aINPROCEEDINGS
000129125 520__ $$aWithin the ESS Design Update Phase Programme funded by the German Federal ministry of education and research, we investigate the performance of a set of spectrometer concepts at the long pulse source of the ESS, which promises the applicability to a wide manifold of scientific activities of research: strongly correlated electron materials, disordered systems, functional materials, magnetism, soft-matter and biophysics. Here we present the current state-of-the-art in the study of the multi-band instrument concept and describe the main aspects of the conceptual design. The useful beam at the sample position is an important figure of merit in the evaluation of the instrument performance and can represent a limit to possible scientific applications in several circumstances, when high flux is requested. Thus the problem of the beam transport to the sample is under careful consideration, in order to transport as much as possible of the phase space density provided by the source, while maintaining as low as possible the back-ground contamination coming from the direct view of the moderator surface. The chopper system is a crucial aspect in order to achieve useful resolution for a manifold of scientific purposes. The aim is to make an efficient use of the flux provided by the source, by means of the Repetition Rate Multiplication (RRM), while reducing contamination due to very fast and very slow neutrons. We present the chopper layout under investigation and the method for the RRM implementation, based on the commensurate choppers technique. The necessary requirements for the detector development in terms of spatial and time resolution are already evaluated and the implications deriving from technical limitations on this task are discussed. Preliminary results of virtual experiments performed by means of beam neutron ray-tracing simulation packages are presented, in order to show the estimated performances, especially focusing on the resolution function evaluation. Finally we discuss the implications in the use of the polarization analysis for a large band-width instrument.
000129125 536__ $$0G:(DE-HGF)POF2-451$$a451 - Soft Matter Composites (POF2-451)$$cPOF2-451$$fPOF II$$x0
000129125 536__ $$0G:(DE-HGF)POF2-422$$a422 - Spin-based and quantum information (POF2-422)$$cPOF2-422$$fPOF II$$x1
000129125 536__ $$0G:(DE-HGF)POF2-424$$a424 - Exploratory materials and phenomena (POF2-424)$$cPOF2-424$$fPOF II$$x2
000129125 536__ $$0G:(DE-HGF)POF2-542$$a542 - Neutrons (POF2-542)$$cPOF2-542$$fPOF II$$x3
000129125 536__ $$0G:(DE-HGF)POF2-544$$a544 - In-house Research with PNI (POF2-544)$$cPOF2-544$$fPOF II$$x4
000129125 536__ $$0G:(DE-HGF)POF2-54G24$$a54G - JCNS (POF2-54G24)$$cPOF2-54G24$$fPOF II$$x5
000129125 7001_ $$0P:(DE-Juel1)131018$$aVoigt, Jörg$$b1
000129125 7001_ $$0P:(DE-Juel1)130572$$aBrückel, Thomas$$b2
000129125 7001_ $$0P:(DE-Juel1)130516$$aBabcock, Earl$$b3
000129125 7001_ $$0P:(DE-Juel1)144963$$aSalhi, Zahir$$b4
000129125 7001_ $$0P:(DE-HGF)0$$aDeen, P.$$b5
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000129125 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)144823$$aForschungszentrum Jülich GmbH$$b0$$kFZJ
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000129125 9131_ $$0G:(DE-HGF)POF2-451$$1G:(DE-HGF)POF2-450$$2G:(DE-HGF)POF2-400$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bSchlüsseltechnologien$$lBioSoft$$vSoft Matter Composites$$x0
000129125 9131_ $$0G:(DE-HGF)POF2-422$$1G:(DE-HGF)POF2-420$$2G:(DE-HGF)POF2-400$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bSchlüsseltechnologien$$lGrundlagen zukünftiger Informationstechnologien$$vSpin-based and quantum information$$x1
000129125 9131_ $$0G:(DE-HGF)POF2-424$$1G:(DE-HGF)POF2-420$$2G:(DE-HGF)POF2-400$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bSchlüsseltechnologien$$lGrundlagen zukünftiger Informationstechnologien$$vExploratory materials and phenomena$$x2
000129125 9131_ $$0G:(DE-HGF)POF2-542$$1G:(DE-HGF)POF2-540$$2G:(DE-HGF)POF2-500$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bStruktur der Materie$$lForschung mit Photonen, Neutronen, Ionen$$vNeutrons$$x3
000129125 9131_ $$0G:(DE-HGF)POF2-544$$1G:(DE-HGF)POF2-540$$2G:(DE-HGF)POF2-500$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bStruktur der Materie$$lForschung mit Photonen, Neutronen, Ionen$$vIn-house Research with PNI$$x4
000129125 9131_ $$0G:(DE-HGF)POF2-54G24$$1G:(DE-HGF)POF2-540$$2G:(DE-HGF)POF2-500$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bStruktur der Materie$$lForschung mit Photonen, Neutronen, Ionen$$vJCNS$$x5
000129125 9141_ $$y2012
000129125 9201_ $$0I:(DE-Juel1)VDB361$$kESS$$lProjekt Europäische Spallationsquelle (international)$$x0
000129125 9201_ $$0I:(DE-Juel1)JCNS-2-20110106$$kJCNS-2$$lStreumethoden$$x1
000129125 9201_ $$0I:(DE-Juel1)PGI-4-20110106$$kPGI-4$$lStreumethoden$$x2
000129125 9201_ $$0I:(DE-Juel1)JCNS-FRM-II-20110218$$kJCNS (München) ; Jülich Centre for Neutron Science JCNS (München) ; JCNS-FRM-II$$lJCNS-FRM-II$$x3
000129125 9201_ $$0I:(DE-Juel1)JCNS-1-20110106$$kJCNS-1$$lNeutronenstreuung$$x4
000129125 9201_ $$0I:(DE-Juel1)ICS-1-20110106$$kICS-1$$lNeutronenstreuung$$x5
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000129125 980__ $$aI:(DE-Juel1)JCNS-FRM-II-20110218
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000129125 981__ $$aI:(DE-Juel1)IBI-8-20200312
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