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Search for Λb0 and Λb0pK decays in pp collisions at s√=1.96  TeV

CollaborationWith : Campanelli, Mario / Clark, Allan Geoffrey / Donega, Mauro / D'Onofrio, Monica / Lister, Alison / Liu, Yanwen / Wu, Xin
Published in Physical Review. D. 2005, vol. 72, no. 05, p. 051104
Abstract We report on a search for Λ0b→pπ− and Λ0b→pK− (and charge conjugate) decays in pp collisions at s√=1.96  TeV using 193  pb−1 of data collected by the CDF II experiment at the Fermilab Tevatron Collider. Data were collected using a track trigger that has been optimized to select tracks belonging to a secondary vertex that is typical of two-body charmless decays of b-flavored hadrons, including Λ0b baryons. As no Λ0b signal was observed, we set the upper limits on the branching fraction B(Λ0b→ph−), where h is K or π, of 2.3×10−5 at 90% C.L. and 2.9×10−5 at 95% C.L.
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CDF COLLABORATION. Search for Λb0 and Λb0pK decays in pp collisions at s√=1.96  TeV. In: Physical Review. D, 2005, vol. 72, n° 05, p. 051104. https://archive-ouverte.unige.ch/unige:38315

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Deposited on : 2014-06-30

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