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Search for a fourth generation charge -1/3 quark via flavor changing neutral current decay

Abstract:

We report on a search for pair production of a fourth generation charge -1/3 quark (b′) in p p̄ collisions at √s = 1.8 TcV by the DØ experiment at the Fermilab Tevatron using an integrated luminosity of 93 pb-1. Both b′ quarks are assumed to decay via flavor changing neutral currents (FCNC). The search uses the signatures γ + 3 jets + μ-tag and 2y + 2 jets. We see no significant excess of events over the expected background. We place an upper limit on the production cross section times branch...

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Publisher copy:
10.1103/PhysRevLett.78.3818

Authors


Journal:
Physical Review Letters More from this journal
Volume:
78
Issue:
20
Pages:
3818-3823
Publication date:
1997-01-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Pubs id:
pubs:172333
UUID:
uuid:d4fda5ec-a2a7-4874-abb0-88c9b4959561
Local pid:
pubs:172333
Source identifiers:
172333
Deposit date:
2012-12-19

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