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Photo of Rikkert Frederix

Rikkert Frederix

Senior lecturer

Photo of Rikkert Frederix

Top quark induced backgrounds to higgs production in the W W (*) → l l ν ν decay channel at next-to-leading-order in QCD

Author

  • R. Frederix

Summary, in English

We present the complete next-to-leading-order (NLO) contributions to the pp→e+νeμ-ν̄μbb̄+X process in the four-flavor scheme, i.e., with massive b quarks, and its contribution to the H→WW(*) →llνν measurement in the 1-jet bin at the LHC. This background process includes top pair, single top, and non-top-quark resonant contributions. The uncertainty at NLO from the renormalization and factorization scale dependence is about +30%-20%. We show that the NLO corrections are relatively small, and that separating this background in top pair, Wt- and b-quark-associated llνν production is a fair approximation.

Publishing year

2014-02-25

Language

English

Publication/Series

Physical Review Letters

Volume

112

Issue

8

Document type

Journal article

Publisher

American Physical Society

Topic

  • Subatomic Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0031-9007