学術雑誌論文 Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states

CDF Collaboration  ,  Hara, K.  ,  Kim, S. H.  ,  Sato, K.  ,  Takeuch, Y.  ,  Ukegawa, F.

93 ( 11 )  , p.112010 , 2016-06 , American Physical Society
ISSN:2470-0010
NII書誌ID(NCID):AA00773624
内容記述
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.
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