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| 001 | 189121 | ||
| 005 | 20250129094240.0 | ||
| 024 | 7 | _ | |a 10.1016/j.nima.2015.01.045 |2 doi |
| 024 | 7 | _ | |a 0168-9002 |2 ISSN |
| 024 | 7 | _ | |a 1872-9576 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2015-02334 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Holm, Sonja L. |0 P:(DE-HGF)0 |b 0 |e Corresponding Author |
| 245 | _ | _ | |a Neutron guide-split: A high performance guide bundle concept for elliptical guides |
| 260 | _ | _ | |a Amsterdam |c 2015 |b North-Holland Publ. Co. |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1429002868_26847 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 520 | _ | _ | |a We present a new guide-split concept for transporting cold and thermal neutrons to multiple instruments from a single beam port at a neutron facility without compromising the useful neutron brilliance notably for any of the instruments.Elliptical guides are capable of transporting an almost completely filled phase space within a large divergence (±2° for cold neutrons). It is therefore possible to place several secondary guides side by side pointing in slightly different directions using the end of a primary guide as a virtual source. The instruments placed at the secondary guides hence exploit different parts of the phase space transported by the primary guide. In addition, the resulting kink between the primary and secondary guide eliminates line of sight.Using ray-tracing simulations of three different set-ups (with two, four, and eight secondary guides) we show that it is possible to illuminate at least eight sample positions from one beam port with a brilliance transfer above 90% on each sample on a 150 m long instrument. This has been done for a phase space volume comprised of an area of 1×1 cm2 and a maximum divergence of±0.5° within a wavelength band of 4.25–5.75 Å. We show, by a full virtual experiment, an example of applying the guide-split concept to an instrument proposed for the European Spallation Source, namely a magnetism diffractometer. |
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| 700 | 1 | _ | |a Rasmussen, Nina |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Høpfner, Louise |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Bertelsen, Mads |0 P:(DE-HGF)0 |b 3 |
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| 700 | 1 | _ | |a Andersen, Ken H. |0 0000-0002-5005-0124 |b 5 |
| 700 | 1 | _ | |a Lefmann, Kim |0 P:(DE-HGF)0 |b 6 |
| 773 | _ | _ | |a 10.1016/j.nima.2015.01.045 |g Vol. 782, p. 1 - 8 |0 PERI:(DE-600)1466532-3 |p 1 - 8 |t Nuclear instruments & methods in physics research / A |v 782 |y 2015 |x 0168-9002 |
| 856 | 4 | _ | |u http://www.sciencedirect.com/science/article/pii/S0168900215000765 |
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