A Project to Operate the CERN Intersecting Storage Rings (ISR) with Antiprotons

1 June 1979

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science

Vol. 26 (3) , 3234-3236
https://doi.org/10.1109/TNS.1979.4329994

Abstract

The storage of antiprotons in the ISR for proton - antiproton physics is planned for 1981, using the 3.5 GeV/c, cooled, antiproton source, which is currently being built at CERN. Two schemes have been studied for achieving this aim. Firstly, the antiprotons could be injected at 3.5 GeV/c from the cooling ring and accelerated in the ISR or secondly, they could be injected into the ISR at 26 GeV/c after acceleration in the CERN Proton Synchrotron (PS). Although the latter scheme is more expensive, since it requires a new transfer line, it has been adopted as it is operationally more reliable and as it makes it possible to stack the antiprotons. With five full-intensity pulses, the circulating antiproton current would be 0.15 A, which, with a 30 A proton beam, would yield a luminosity of 1.3 × 1029 cm-2s-1 in a standard intersection and 9.2 × 1029 cm-2s-1 with the planned superconducting low-ß scheme.

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