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Phys Rev Lett. 2015 Nov 20;115(21):211801. doi: 10.1103/PhysRevLett.115.211801. Epub 2015 Nov 16.

Probing the Charm Quark Yukawa Coupling in Higgs+Charm Production.

Physical review letters

Ilaria Brivio, Florian Goertz, Gino Isidori

Affiliations

  1. Departamento de Física Teórica and Instituto de Física Teórica, IFT-UAM/CSIC, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain.
  2. Theory Division, CERN, 1211 Geneva 23, Switzerland.
  3. Physik-Institut, Universität Zürich, CH-8057 Zürich, Switzerland.
  4. INFN, Laboratori Nazionali di Frascati, I-00044 Frascati, Italy.

PMID: 26636844 DOI: 10.1103/PhysRevLett.115.211801

Abstract

We propose a new method for determining the coupling of the Higgs boson to charm quarks, via Higgs production in association with a charm-tagged jet: pp→hc. As a first estimate, we find that at the LHC with 3000 fb^{-1}, it should be possible to derive a constraint of order one, relative to the standard model (SM) value of the charm Yukawa coupling. As a by-product of this analysis, we present an estimate of the exclusive pp→hD^{(*)} electroweak cross section. Within the SM, the latter turns out to be not accessible at the LHC even in the high-luminosity phase.

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