Apply for Beamtime
16 Oct 2008



How to apply for beam time on neutron and muon instruments at ISIS




The next ISIS call for proposals will be for beamtime after the long shutdown. We will notify the community when the date has been fixed - it is likely to be towards the end of 2021 (for TS2 instruments) and early 2022 (for TS1 instruments).

ISIS neutron and muon instruments are free at the point of access for academic and industry researchers, provided the results from experiments are published in the public domain.  Fully confidential fast-tracked use of the instruments is also available for industrial and commercial customers. 

New users are always welcome at ISIS Neutron and Muon Source and we are constantly encouraging new areas of research that can flourish. There are a number of routes for academics and industry to access beamtime, please ​browse the links below for further important information and guidance including links to our instrument pages​​​.

If you are ready to put forward a proposal visit the ISIS Online Proposal System or to submit an industrial proposal contact Dr Christopher Frost.​

​ISIS long shutdown


The above diagrame shows the plans for upcoming run cycles and calls for proposals. ​

ISIS will have a long shutdown to enable refurbishment of the first target station​ and replacement of a tank in the linear accelerator. ​Delays to these projects as a result of the Covid-19 situation mean that we have moved the long shutdown dates so that it will start towards the end of June 2021. 

The next ISIS run cycle was due to be in Feb/Mar 2021, but this has been moved to April - June 2021. Beam time within this run cycle has been allocated in the Dec 2019 Facility Access Panel meetings.  

There are likely to be run cycles for TS2 only in Spring 2022 and a call for proposals for these run cycles is likely to be in late 2021.​  The next call for proposals for TS1 instruments will be early 2022​.

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