5 research outputs found

    Central pseudorapidity gaps in events with a leading antiproton at the Fermilab tevatron pp collider

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    The results from a similar measurement performed in a subsample of pp events containing a leading (high longitudinal momentum) antiproton. As such, large pseudorapidity gaps are presumed to be due to Pomeron exchanges and are the signature for diffraction. The process with a leading beam particle in the final state, which is kinematically associated with an adjacent pseudorapidity gap, is known as single diffraction dissociation (SD), while that with a central gap as double diffraction dissociation (DD)

    Search for associated production of Y and vector boson in pp\u304 Collisions at 1as = 1.8 TeV

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    Associated production of \u3c5 and vector boson in pp\u304 collisions at 1as = 1.8 TeV were investigated. The CDF detector was used in the analysis. The analysis showed that \u3c5(1S) mesons in association with W\ub1 or Z0 bosons were not observed by the CDF detector

    Search for long-lived charged massive particles in p p\u304 collisions at 1as = 1.8 TeV

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    A study was performed to search for long-lived charged massive particles in 90 pb-1 of data at CDF. No excess over background was observed. Cross section limits were observed using reference models for the two cases of strongly and weakly produced particles. In the strongly interacting case, these limits extend the excluded mass region to about 200 GeV/c2
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