Journal article

### Search for production of single top quarks via tcg and tug flavor-changing-neutral-current couplings

Abstract:

We search for the production of single top quarks via flavor-changing- neutral-current couplings of a gluon to the top quark and a charm (c) or up (u) quark. We analyze 230pb-1 of lepton+jets data from pp̄ collisions at a center of mass energy of 1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider. We observe no significant deviation from standard model predictions, and hence set upper limits on the anomalous coupling parameters κgc/Λ and κgu/Λ, where κg define the strengt...

Publication status:
Published

### Authors

Journal:
PHYSICAL REVIEW LETTERS
Volume:
99
Issue:
19
Chapter number:
ARTN 191802
Publication date:
2007-11-09
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:0f0355af-8898-43f0-bf69-99fe11597cfc
Source identifiers:
5498
Local pid:
pubs:5498