The Orsay Collider - L' anneau des collisions d'Orsay (ACO):

an ancestor of LHC*, pioneer of colliders, in the "Valley of Accelerators" in the extended Paris Area


*Large Hadron Collider (CERN)


The Orsay Collider has been added in the inventory of supplemental historical monuments of France.
More than 20 accelerators, active or inactive at the area of Orsay-Bures-Gif-Saclay 


From the presentation of N. Delerue - slide 7 






Detail of the picture above



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Video :



Paper :



General Presentation : « Un accélérateur de particules, comment ça marche ? »  N. Delerue