Search for quark compositeness, axigluons, and heavy particles using the dijet invariant mass spectrum observed in pp¯ collisions
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The dijet invariant mass distribution has been measured in the region between 140 and 1000 GeV/c2, in 1.8 TeV p p̄ collisions. Data collected with the Collider Detector at Fermilab show agreement with QCD calculations. A limit on quark compositeness of Λc>1.3 TeV is obtained. Axigluons with masses between 240 and 640 GeV/c2 are excluded at 95% C.L. if we assume ten open decay channels. Model-independent limits on the production of heavy particles decaying into two jets are also presented. © 1993 The American Physical Society.
author list (cited authors)
Abe, F., Albrow, M., Akimoto, H., Amidei, D., Anway-Wiese, C., Apollinari, G., ... Zucchelli, S.