Higgs boson production in association with two forward jets and a central photon at the CERN Large Hadron Collider is analyzed, for the Higgs boson decaying into a b over(b, ̄) pair in the mH ≲ 140 GeV mass region. We study both irreducible and main reducible backgrounds at parton level. Compared to the Higgs production via vector-boson fusion, the request of a further photon at moderate rapidities dramatically enhances the signal/background ratio. Inclusive cross sections for pTγ ≳ 20 GeV can reach a few tens of fb's. After a suitable choice of kinematical cuts, the cross section ratio for signal and irreducible-background can be enhanced up to ≳ 1 / 10, with a signal cross section of the order of a few fb's, for mH ∼ 120 GeV. The request of a central photon radiation also enhances the relative signal sensitivity to the WWH coupling with respect to the ZZH coupling. Hence, a determination of the cross section for the associated production of a Higgs boson decaying into a b over(b, ...
Higgs boson production in association with a photon in vector boson fusion at the LHC
MORETTI, Mauro;
2007
Abstract
Higgs boson production in association with two forward jets and a central photon at the CERN Large Hadron Collider is analyzed, for the Higgs boson decaying into a b over(b, ̄) pair in the mH ≲ 140 GeV mass region. We study both irreducible and main reducible backgrounds at parton level. Compared to the Higgs production via vector-boson fusion, the request of a further photon at moderate rapidities dramatically enhances the signal/background ratio. Inclusive cross sections for pTγ ≳ 20 GeV can reach a few tens of fb's. After a suitable choice of kinematical cuts, the cross section ratio for signal and irreducible-background can be enhanced up to ≳ 1 / 10, with a signal cross section of the order of a few fb's, for mH ∼ 120 GeV. The request of a central photon radiation also enhances the relative signal sensitivity to the WWH coupling with respect to the ZZH coupling. Hence, a determination of the cross section for the associated production of a Higgs boson decaying into a b over(b, ...I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
