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PETRA stored its first beam on 15 July

SEP 01, 1978
Physics Today

, 6 months ahead of schedule. Gustav-Adolf Voss, project leader, is surrounded by team members celebrating in traditional fashion. Shortly after, a 3-mA beam of electrons was accumulated for two hours and 5-GeV electron-positron collisions were produced at low intensity. By mid-September, the PLUTO detector from DORIS is to be moved into the PETRA beam, and experiments with some luminosity are to begin at 5 GeV in each beam.

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Volume 31, Number 9

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