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| Title: | Search for the Production of Scalar Bottom Quarks in pp̅ Collisions at √s=1.96 TeV |
Authors: | Aaltonen, T.; Cabrera, Susana CSIC ORCID; Cuenca Almenar, Cristóbal CSIC; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, Gervasio CSIC ORCID ; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID | Issue Date: | 19-Aug-2010 | Publisher: | American Physical Society | Citation: | Physical Review Letters 105(8): 081802 (2010) | Abstract: | We report on a search for direct scalar bottom quark (sbottom) pair production in p (p) over bar collisions at root s = 1.96 TeV, in events with large missing transverse energy and two jets of hadrons in the final state, where at least one of the jets is required to be identified as originating from a b quark. The study uses a collider detector at Fermilab Run II data sample corresponding to 2.65 fb(-1) of integrated luminosity. The data are in agreement with the standard model. In an R-parity conserving minimal supersymmetric scenario, and assuming that the sbottom decays exclusively into a bottom quark and a neutralino, 95% confidence-level upper limits on the sbottom pair production cross section of 0.1 pb are obtained. For neutralino masses below 70 GeV/c(2), sbottom masses up to 230 GeV/c(2) are excluded at 95% confidence level. | Description: | 7 páginas, 2 figuras, 2 tablas.-- PACS numbers: 14.80.Ly, 12.60.Jv.-- CDF Collaboration: et al. | Publisher version (URL): | http://dx.doi.org/10.1103/PhysRevLett.105.081802 | URI: | http://hdl.handle.net/10261/27892 | DOI: | 10.1103/PhysRevLett.105.081802 | ISSN: | 0031-9007 |
| Appears in Collections: | (IFIC) Artículos (IFCA) Artículos |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| e081802.pdf | 230,66 kB | Adobe PDF |  View/Open |
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