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Search for narrow resonances lighter than ϒ mesons

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Vallecorsa, Sofia / Wu, Xin
Published in European Physical Journal. C. 2009, vol. 62, no. 2, p. 319-326
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
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CDF COLLABORATION. Search for narrow resonances lighter than ϒ mesons. In: European Physical Journal. C, 2009, vol. 62, n° 2, p. 319-326. https://archive-ouverte.unige.ch/unige:39052

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Deposited on : 2014-07-30

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