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Laboratory for Muon Spin Spectroscopy

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Software developments

µSR Data acquisition software

The µSR data acquisition software is based on the MIDAS data acquisition system developed at PSI and TRIUMF. All driver functions and auxiliary programs and autorun capability for operation of the µSR instruments have been developed within LMU. User operation of the µSR instruments is significantly facilitated by the possibility of using autorun sequences to automatically change parameters of the µSR experiments.


µSR data analysis software

musrfit is a software tool for analyzing time-differential μSR data, developed in LMU. The program suite is free software and licensed under the GNU GPL version 2 or any later version (at your option). It is implemented in C++/ROOT and uses the MINUIT2 libraries developed at CERN for fitting data. Installation instructions for GNU/Linux, MS Windows, and macOS can be found under musrfit setup. Recent changes of the program can be followed on the git, either bitbucket or gitlab.

For large data sets, a GPU high speed version of musrfit is available utilizing DKS. It significantly reduces the computer time needed for complex instrument/beamline simulations and for online analysis of large µSR data sets (e.g. data of the HAL-9500 instrument with more than 3 million bins in the µSR histograms, planned vertex reconstruction).

New collaborations with groups of the new Scientific Computing Division (SCD) are envisaged in DFT modelling of materials, data analysis, and implementation of data science catalogues to meet the requirements of PSI’s Open Data Policy.

 


 

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    Call for Proposals

    Next Deadline: June 01, 2023.

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    Provides all information about user research at PSI Large Research Facilities


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    Current News from PSI photon, neutron and muon user facilities

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    MuonSources.org provides information about muon facilities and muon research worldwide.

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    The International Society for µSR Spectroscopy (ISMS).

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