Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/22192
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Title

Search for anomalous production of events with a photon, jet, b-quark jet, and missing transverse energy

AuthorsCDF Collaboration; Cabrera, Susana CSIC ORCID; Cuenca Almenar, Cristóbal CSIC; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, G. CSIC ORCID ; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar, Rocío CSIC ORCID; Aaltonen, T.
Issue Date14-Sep-2009
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 80 (5): 052003 (2009)
AbstractWe present a signature-based search for the anomalous production of events containing a photon, two jets, of which at least one is identified as originating from a b quark, and missing transverse energy ((sic)(T)). The search uses data corresponding to 2.0 fb(-1) of integrated luminosity from p (p) over bar collisions at a center-of-mass energy of root s = 1.96 TeV, collected with the CDF II detector at the Fermilab Tevatron. From 6.697 47 x 10(6) events with a photon candidate with transverse energy E-T > 25 GeV, we find 617 events with (sic)(T) > 25 GeV and two or more jets with E-T > 15 GeV, at least one identified as originating from a b quark, versus an expectation of 607 +/- 113 events. Increasing the requirement on (sic)(T) to 50 GeV, we find 28 events versus an expectation of 30 +/- 11 events. We find no indications of non-standard-model phenomena.
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevD.80.052003
URIhttp://hdl.handle.net/10261/22192
DOI10.1103/PhysRevD.80.052003
ISSN1550-7998
Appears in Collections:(IFIC) Artículos

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