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SμS: Swiss Muon Source

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GPS Developments

New detector scheme with vertex reconstruction

Within the High Intensity Muon Beam (HIMB) Project, PSI is aiming to strongly enhance the available muon intensity in the two secondary beamlines attached to target M.  One necessity to fully exploit the high muon rates for µSR is the ability to identify the lateral stopping coordinates of a muon in the sample region and the corresponding decay positron from that muon. A detector system that is able to perform this vertex reconstruction (see here) will be first developed for GPS.

Such a detection scheme would allow a few advanced µSR measurements schemes, including:

  •  Measuring much smaller samples by considering only muons stopping within the small sample area and suppressing background from muons landing outside.
  • Performing µSR measurements at a much higher rate, breaking the limit on incoming muons rate dictated by the length of the data gate and pileup.
  • Measuring with long (20 µs) data gate as the positron background is much reduced and therefore combining high time resolution with low background, overcoming any advantages of pulsed muon beams without sacrificing rate.
  • Performing µSR measurements on multiple (small) samples in parallel. This can be done by associating the position of an incoming muons with a sample that is placed in the corresponding area.

 


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LMU and Groups

  • Laboratory for Muon Spin Spectroscopy (LMU)
  • Low-Energy Muons Group
  • Bulk-µSR Group

Instrument Contact:

Hubertus Luetkens
E-mail: hubertus.luetkens@psi.ch

User Office

Provides all information about user research at PSI Large Research Facilities

Call for Proposals

Next Deadline: June 01, 2023.

PSI User Facilities Newsletter

Current News from PSI photon, neutron and muon user facilities


NUM Homepage

PSI Division Research with Neutrons and Muons.


MuonSources.org

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

ISMS

The International Society for µSR Spectroscopy (ISMS).

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