The excavation of the 27‐kilomerer‐circumference LEP tunnel was completed on 8 February with a final explosion detonated under the Jura mountains near Geneva. This picture, taken a few days earlier in front of the drilling head in a nearby section of the tunnel, shows LEP project leader Emilio Picasso (yellow coat), flanked by his assistant Günther Plass (right, black jacket) and Henri Laporre (left), heod of civil engineering for this gargantuan electron‐positron storage‐ring collider.

Topics
Electron positron interactions, Storage rings, Colliders, Civil engineers
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© 1988 American Institute of Physics.
1988
American Institute of Physics
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