Search for a Heavy Bottom-like Quark in pp Collisions at sqrt(s) = 7 TeV

Journal Article · Fri Jul 01 00:00:00 EDT 2011 · Physics Letters. Section B

DOI:https://doi.org/10.1016/j.physletb.2011.05.074· OSTI ID:1155738

Chatrchyan, Serguei ^[1]

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1. Yerevan Physics Inst. (Armenia)

A search for pair-produced bottom-like quarks in pp collisions at sqrt(s) = 7 TeV is conducted with the CMS experiment at the LHC. The decay b' to tW is considered in this search. The b' b'-bar to tW^- t-bar W^+ process can be identified by the distinctive signature of trileptons and same-sign dileptons. With a data sample corresponding to an integrated luminosity of 34 inverse picobarns, no excess above the standard model background predictions is observed and a b' quark with a mass between 255 and 361 GeV/c^2 is excluded at the 95% confidence level.

• Research Organization: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
• Sponsoring Organization: USDOE Office of Science (SC), High Energy Physics (HEP)
• Contributing Organization: CMS Collaboration
• DOE Contract Number: AC02-07CH11359
• OSTI ID: 1155738
• Report Number(s): FERMILAB-PUB-11-761-CMS; CERN-PH-EP-2011-009; arXiv eprint number arXiv:1102.4746
• Journal Information: Physics Letters. Section B, Vol. 701, Issue 2
• Publisher: Elsevier
• Country of Publication: United States
• Language: English

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