Last year, after six years of precisely mapping out the physics of ‐boson production and decay, CERN's Large Electron‐Positron collider completed its role as the factory called LEP 1 and began to metamorphose into LEP 2—a or W‐pair factory. The transformation, scheduled for completion in June, involves replacing 32 of the conventional copper 1.4‐mega‐volt/meter accelerating elements in the 27‐km‐circumference collider with superconducting cavities having an accelerating gradient of 6.0 MV/m.
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© 1996 American Institute of Physics.
1996
American Institute of Physics
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