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Scientific article
English

Search for narrow resonances lighter than ϒ mesons

ContributorsCDF Collaboration
Published inEuropean physical journal. C, Particles and fields, vol. 62, no. 2, p. 319-326
Publication date2009
Abstract

We report a search for narrow resonances, produced in pp collisions at √s=1.96 TeV, that decay into muon pairs with invariant mass between 6.3 and 9.0 GeV/c 2. The data, collected with the CDF II detector at the Fermilab Tevatron collider, correspond to an integrated luminosity of 630 pb−1. We use the dimuon invariant mass distribution to set 90% upper credible limits of about 1% to the ratio of the production cross section times muonic branching fraction of possible narrow resonances to that of the ϒ(1S) meson

Citation (ISO format)
CDF Collaboration. Search for narrow resonances lighter than <em>ϒ</em> mesons. In: European physical journal. C, Particles and fields, 2009, vol. 62, n° 2, p. 319–326. doi: 10.1140/epjc/s10052-009-1057-4
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ISSN of the journal1434-6044
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