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The Neutron Spin Echo (NSE) variant MIEZE (Modulation of IntEnsity by Zero Effort), where all beam manipulations are performed before the sample position, offers the possibility to perform low background SANS measurements in strong magnetic…

Instrumentation and Detectors · Physics 2015-03-19 G. Brandl , R. Georgii , W. Häußler , S. Mühlbauer , P. Böni

Modulation of Intensity Emerging from Zero Effort (MIEZE) is a neutron resonant spin echo technique which allows one to measure time correlation scattering functions in materials by implementing radio-frequency (RF) intensity modulation at…

Instrumentation and Detectors · Physics 2021-05-04 Ryan Dadisman , Georg Ehlers , Fankang Li

Recent progress in neutron spin-echo spectroscopy by means of longitudinal Modulation of IntEnsity with Zero Effort (MIEZE) is reviewed. Key technical characteristics are summarized which highlight that the parameter range accessible in…

The RESEDA (Resonant Spin-Echo for Diverse Applications) instrument has been optimized for neutron scattering measurements of quasi-elastic and inelastic processes over a wide parameter range. One spectrometer arm of RESEDA is configured…

Instrumentation and Detectors · Physics 2022-11-22 J. C. Leiner , C. Franz , J. K. Jochum , C. Pfleiderer

Here, we discuss the comparability of data acquisitioned with the Modulation of IntEnsity with Zero Effort data, a neutron spin-echo (NSE) technique to neutron Time-of-Flight (ToF) spectroscopy data. As a NSE technique MIEZE records the…

Soft Condensed Matter · Physics 2024-11-20 L. Beddrich , J. K. Jochum , P. Bender , L. Spitz , A. Wendl , C. Franz , S. Busch , F. Juryani , C. Pfleiderer , O. Soltwedel

We report proof-of-principle measurements at the neutron resonance spin echo spectrometer RESEDA (MLZ) under large magnetic fields by means of Modulation of IntEnsity with Zero Effort (MIEZE). Our study demonstrates the feasibility of…

Instrumentation and Detectors · Physics 2015-06-19 J. Kindervater , N. Martin , W. Häußler , M. Krautloher , C. Fuchs , S. Mühlbauer , J. A. Lim , E. Blackburn , P. Böni , C. Pfleiderer

We report the development of a compact turn-key module that boosts the resolution in quasi-elastic neutron scattering by several orders of magnitude down to the low sub-micro-eV range. It is based on a pair of neutron resonance spin…

We propose a Modulation of intensity with zero effort (MIEZE) set-up for high-resolution neutron spectroscopy at momentum transfers up to 3\r{A}$^{-1}$,energy transfers up to ~ 20 meV, and an energy resolution in the $\mu$eV-range using…

Strongly Correlated Electrons · Physics 2022-11-21 Johanna K. Jochum , Christian Franz , Thomas Keller , Christian Pfleiderer

Studying the prototypical ferromagnetic superconductor UGe$_2$ we demonstrate the potential of the Modulated IntEnsity by Zero Effort (MIEZE) technique---a novel neutron spectroscopy method with ultra-high energy resolution of at least…

Strongly Correlated Electrons · Physics 2019-01-30 F. Haslbeck , S. Säubert , M. Seifert , C. Franz , M. Schulz , A. Heinemann , T. Keller , Pinaki Das , J. D. Thompson , E. D. Bauer , C. Pfleiderer , M. Janoschek

In view of the trend towards smaller samples and experiments under extreme conditions it is important to deliver small and homogeneous neutron beams to the sample area. For this purpose, elliptic and/or Montel mirrors are ideally suited as…

Instrumentation and Detectors · Physics 2015-12-09 Stefan Weichselbaumer , Georg Brandl , Robert Georgii , Jochen Stahn , Tobias Panzner , Peter Böni

A time of flight Modulation of IntEnsity by Zero Effort (MIEZE) spectrometer mode has been developed for the Larmor instrument at the ISIS pulsed neutron source. The instrument utilizes resonant neutron spin flippers which employ…

Neutron oscillation into mirror neutron, a sterile state exactly degenerate in mass with the neutron, could be a very rapid process, even faster than the neutron decay itself. It can be observed by comparing the neutron lose rates in an…

Computational Physics · Physics 2018-09-05 Riccardo Biondi

Neutron scattering is a well-established tool for the investigation of the static and dynamic properties of condensed matter systems over a wide range of spatial and temporal scales. Many studies of high interest, however, can only be…

Instrumentation and Detectors · Physics 2022-08-10 Christoph Herb , Oliver Zimmer , Robert Georgii , Peter Böni

The neutron resonance spin echo (NRSE) technique has the potential to increase the Fourier time and energy resolution in neutron scattering by using radio-frequency (rf) neutron spin-flippers. However, aberrations arising from variations in…

Instrumentation and Detectors · Physics 2023-03-15 Stephen J. Kuhn , Sam McKay , Fankang Li , Robert M. Dalgliesh , Eric Dees , Kaleb Burrage , Jiazhou Shen , Roger Pynn

MCViNE (Monte-Carlo VIrtual Neutron Experiment) is a versatile Monte Carlo (MC) neutron ray-tracing program that provides researchers with tools for performing computer modeling and simulations that mirror real neutron scattering…

The International Muon Ionization Cooling Experiment (MICE) is devoted to a study of a muon cooling channel capable of giving the desired performance for a Neutrino Factory. One of the goals is achieving an absolute accuracy of measurements…

Accelerator Physics · Physics 2007-05-23 D. Errede , I. Rakhno

Magnetic neutron scattering measures spin-spin correlations giving information about the long-range spin order as well as the shape of the spin density in magnetic materials. Similarly, detailed first principles calculations directly…

Monte-Carlo simulations of a focusing supermirror guide after the monochromator on the IN14 cold neutron three-axis spectrometer, I.L.L. were carried out using the instrument simulation programs RESTRAX and McSTAS. The simulations were…

Materials Science · Physics 2009-10-31 A. R. Wildes , J. Saroun , E. Farhi , I. Anderson , P. Hoghoj , A. Brochier

We investigate the sensitivity of the Karlsruhe Tritium Neutrino Experiment (KATRIN) to keV-scale sterile neutrinos, which are promising dark matter candidates. Since the active-sterile mixing would lead to a second component in the tritium…

Instrumentation and Detectors · Physics 2018-03-16 Nicholas M. N. Steinbrink , Jan D. Behrens , Susanne Mertens , Philipp C. -O. Ranitzsch , Christian Weinheimer

Stellar intensity interferometers will achieve stellar imaging with a tenth of a milli- arcsecond resolution in the optical band by taking advantage of the large light collect- ing area and broad range of inter-telescope distances offered…

Instrumentation and Methods for Astrophysics · Physics 2013-03-19 Janvida Rou , Paul D. Nuñez , David Kieda , Stephan LeBohec
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