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Title
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Search for narrow resonances lighter than mesons
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Author
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Institution/Organisation
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CDF Collaboration
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Abstract
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| We report a search for narrow resonances, produced in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ 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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Language
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English
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Source (journal)
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European physical journal : C : particles and fields. - Berlin
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Publication
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Berlin
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2009
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ISSN
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1434-6044
1434-6052
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DOI
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10.1140/EPJC/S10052-009-1057-4
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Volume/pages
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62
:2
(2009)
, p. 319-326
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ISI
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000267687700003
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Full text (Publisher's DOI)
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