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Experiment Report policy

The ILL is dedicated to helping its visiting researchers to make the most of its facilities. Neutron beams and instrument access are provided free of charge for proposers of accepted experiments.

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Experimental Data and Policies

User Club

The ILL User Club provides online access to all the information and administrative tools for our scientific visitors, presented in a user friendly environment.

Experimental report policy

Following the recommendation of the ILL Scientific Council, Experimental reports are now mandatory for ALL experiments, not just for continuation experiments.

All ILL experimental reports are software-archived and accessible via the web server as PDF files and fully integrated in the EPS system. The system offers the possibility not only of completing the experimental report directly on the web, but also to view it immediately on your screen as a pdf file.


Reports from 1995 are visible via the User Club.


You must log into the User Club to submit your experimental report.
Experimental reports uploaded via the web are now made available as soon as they are received.
Please carefully read the guidelines for uploading a report before submitting your file, as a number of points have changed with the new system.

If you have problems or further questions, please don’t hesitate to contact club(at)