ermilab experiment E-760 studies the resonant formation of charmonium states in proton-antiproton interactions using a hydrogen gas-jet target in the Antiproton Accumulator ring at Fermilab. Precision measurements of the mass and width of the charmonium states χc1,χc2, a direct measurement of the ψ’ width, and a new precision measurement of the J/ψ mass are presented.
Precision measurements of charmonium states formed in pp¯ annihilation
FERRONI, SERGIO;MARINELLI, MAURO;PATRIGNANI, CLAUDIA;SANTRONI, ALBERTO;
1992-01-01
Abstract
ermilab experiment E-760 studies the resonant formation of charmonium states in proton-antiproton interactions using a hydrogen gas-jet target in the Antiproton Accumulator ring at Fermilab. Precision measurements of the mass and width of the charmonium states χc1,χc2, a direct measurement of the ψ’ width, and a new precision measurement of the J/ψ mass are presented.
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