A search for a Higgs boson with suppressed couplings to fermions, h(f), 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 p (p) over bar -> H(+/-)h(f) -> W*h(f)h(f) -> 4 gamma + X where H (+/-) is a charged Higgs boson. This analysis uses all events withat 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/c(2) are excluded at 95% Bayesian credibility.

Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states / Aaltonen, T., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J., Apollinari, G., Appel, J.A., Arisawa, T., Artikov, A., Asaadi, J., Ashmanskas, W., Auerbach, B., Aurisano, A., Azfar, F., Badgett, W., Bae, T., Barbaro Galtieri, A., Barnes, V.E., Barnett, B.A., et al.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 93:11(2016). [10.1103/PhysRevD.93.112010]

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

GIAGU, Stefano;MESSINA, Andrea;
2016

Abstract

A search for a Higgs boson with suppressed couplings to fermions, h(f), 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 p (p) over bar -> H(+/-)h(f) -> W*h(f)h(f) -> 4 gamma + X where H (+/-) is a charged Higgs boson. This analysis uses all events withat 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/c(2) are excluded at 95% Bayesian credibility.
2016
Neutral Higgs boson; Large Hadron Collider; Fermilab
01 Pubblicazione su rivista::01a Articolo in rivista
Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states / Aaltonen, T., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J., Apollinari, G., Appel, J.A., Arisawa, T., Artikov, A., Asaadi, J., Ashmanskas, W., Auerbach, B., Aurisano, A., Azfar, F., Badgett, W., Bae, T., Barbaro Galtieri, A., Barnes, V.E., Barnett, B.A., et al.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 93:11(2016). [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/11573/968165
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