A search for a Higgs boson with suppressed couplings to fermions, hf, assumed to be the neutral, lower-mass partner of the Higgs boson discovered at the Large Hadron Collider, is reported. Such a Higgs boson could exist in extensions of the standard model with two Higgs doublets, and could be produced via pp→H±hf→W∗hfhf→4γ+X, where H± is a charged Higgs boson. This analysis uses all events with at least three photons in the final state from proton-antiproton collisions at a center-of-mass energy of 1.96 TeV collected by the Collider Detector at Fermilab, corresponding to an integrated luminosity of 9.2 fb-1. No evidence of a signal is observed in the data. Values of Higgs-boson masses between 10 and 100 GeV/c2 are excluded at 95% Bayesian credibility.

Aaltonen, T., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J., et al. (2016). Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states. PHYSICAL REVIEW D, 93(11) [10.1103/PhysRevD.93.112010].

Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states

BARRIA, PATRIZIA;CATASTINI, PIERLUIGI;CAVALIERE, VIVIANA;MAESTRO, PAOLO;RUFFINI, FABRIZIO;
2016-01-01

Abstract

A search for a Higgs boson with suppressed couplings to fermions, hf, assumed to be the neutral, lower-mass partner of the Higgs boson discovered at the Large Hadron Collider, is reported. Such a Higgs boson could exist in extensions of the standard model with two Higgs doublets, and could be produced via pp→H±hf→W∗hfhf→4γ+X, where H± is a charged Higgs boson. This analysis uses all events with at least three photons in the final state from proton-antiproton collisions at a center-of-mass energy of 1.96 TeV collected by the Collider Detector at Fermilab, corresponding to an integrated luminosity of 9.2 fb-1. No evidence of a signal is observed in the data. Values of Higgs-boson masses between 10 and 100 GeV/c2 are excluded at 95% Bayesian credibility.
2016
Aaltonen, T., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J., et al. (2016). Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states. PHYSICAL REVIEW D, 93(11) [10.1103/PhysRevD.93.112010].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/1005762