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SUMMARY:Sciences ACO\, a Museum of Light and Matter
DTSTART;VALUE=DATE-TIME:20140703T110000Z
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DTSTAMP;VALUE=DATE-TIME:20260618T164859Z
UID:indico-contribution-944@indico.ific.uv.es
DESCRIPTION:Speakers: Nicolas Arnaud (LAL (CNRS/IN2P3 and Université Pari
 s Sud))\nSciences ACO is a non-profit association based in Orsay (France).
  It manages a “Museum of Light and Matter” visited by more than 1\,000
  people each year. In this unique place\, scientists and cultural mediator
 s preserve\, exhibit and explain pieces of the history of science & techno
 logy\, to pass on the knowledge of this heritage to the audience.\n\nThe m
 useum is located at the centre of the “LAL-LURE accelerator complex”\,
  which was awarded the “Historic Site” label by the European Physical 
 Society last September. The main piece of Sciences ACO is indeed the “An
 neau de Collisions d’Orsay” (ACO)\, a lepton storage ring whose operat
 ion started in 1965 and ended in 1988. ACO was first used as an electron-p
 ositron collider. It lead to important discoveries in accelerator physics 
 and to many pioneering measurements of vector meson properties. In 1973\, 
 ACO became the first storage ring in Europe available to synchrotron light
  users. Ten years later\, a free-electron laser was successfully operated 
 at ACO – the second in the world\, it was the first one in the visible b
 andwidth and the first at a storage ring. Rather than being decommissioned
  and disassembled like almost all accelerators in the world once they are 
 turned off\, ACO was carefully preserved by the very people who worked on 
 it. The machine was later recognized as a French “historic monument” a
 nd the association\, still very active\, is now bringing three generations
  of scientists together.\n\nSciences ACO visitors – among them there are
  many high school students and teachers – come to learn about the progre
 ss of science and the evolution of the technologies over more than four de
 cades. As an example\, a new room was recently opened in the museum to dis
 play the control room of the former LAL linear accelerator. This record of
  the seventies allows our guides not only to explain how this machine was 
 operated and what its performances were\, but also to shed light on the ex
 traordinary advances of electronics and computing. Therefore\, Sciences AC
 O is more than just a historical museum: it is a driving force for the dev
 elopment of outreach and pedagogical activities on the Paris Sud Universit
 y campus and in the neighboring towns Moreover\, real demonstration appara
 tuses – like the “Electrons’ ronde”\, probably the world’s small
 est interactive electron storage ring model – are being designed by engi
 neering experts from the association\, while virtual visits are being deve
 loped to enrich the visitors experience. \n\nAll of this has been obtained
  by a small group of dedicated individuals\, within the limited financial 
 resources of the association. The history\, the present activity and the p
 rospects of Sciences ACO will be presented in the talk proposed in the “
 Education and Outreach” ICHEP 2014 parallel session.\n\nhttps://indico.i
 fic.uv.es/event/2025/contributions/944/
LOCATION: Sala 2
URL:https://indico.ific.uv.es/event/2025/contributions/944/
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