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Search for a heavy bottom-like quark in pp collisions at root s=7 TeV

Abstract:
A search for pair-produced bottom-like quarks in pp collisions at √s=7 TeV is conducted with the CMS experiment at the LHC. The decay b'→tW is considered in this search. The b'b'→t∥W-t̄W+ 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 pb-1, no excess above the standard model background predictions is observed and a b' quark with a mass between 255 and 361 GeV/c2 is excluded at the 95% confidence level. © 2011 CERN.
Publication status:
Published

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Journal:
Physics Letters B
Volume:
701
Issue:
2
Pages:
204-223
Publication date:
2011-07-04
DOI:
ISSN:
0370-2693
Source identifiers:
167749
Language:
English
Keywords:
Pubs id:
pubs:167749
UUID:
uuid:df81348a-915c-4a43-b888-94aade6317ae
Local pid:
pubs:167749
Deposit date:
2013-11-16

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