Intersecting Storage Rings(redirected from CERN ISR)
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Intersecting Storage Rings[¦in·tər¦sek·tiŋ ′stȯr·ij ‚riŋz]
Proton storage rings, located at Geneva, Switzerland, in which counterrotating protons with energies of up to 31 gigaelectronvolts injected from a proton synchrotron are made to undergo nearly head-on collisions. Abbreviated ISR.