Mar 20 – 23, 2023
Campus Garching
Europe/Berlin timezone

Recent Progress in the use of time-of-flight SESANS and other Larmor precession techniques on Larmor.

Mar 20, 2023, 11:50 AM
MW 0 001 - Lecture hall (Fakultät für Maschinenwesen)

MW 0 001 - Lecture hall

Fakultät für Maschinenwesen

Talk (17 + 3 min) Neutron Instrumentation, Optics, Sample Environment, Detectors, and Software Neutron Methods


Robert Dalgliesh (ISIS Neutron and Muon Source, STFC)


The neutron spin-echo system on the Larmor instrument at ISIS has now been operating for more than 5 years. The system was design by TU-Delft to be highly flexible for utilisation in a wide range of Larmor precession techniques including SESANS, SEMSANS, MIEZE-SANS, Larmor Diffraction and TOFLAR. The flexibility and complexity of the system has unfortunately led to some difficulties in routine operation that have taken time to resolve. It is now believed that the system can be operated in a reliable and reproducible manor and in recent cycles a significant number of SESANS experiments have been carried out with both expert and non-expert users. The wider collaborative effort between the groups at TU-Delft, ISIS, ORNL and Indiana University to develop simulations and standards for cross calibration of instruments has also made progress. Some recent results from Larmor and the development of standards will be discussed along with a brief review of some of the other projects that are ongoing on the beamline.

Primary author

Robert Dalgliesh (ISIS Neutron and Muon Source, STFC)


Dr Gregory Smith (ISIS Neutron and Muon Source, STFC) Jeroen Plomp (Delft University of Technology) Michel Thijs (Delft University of Technology)

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