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

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http://hdl.handle.net/10138/184728

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Aaltonen , T , Brucken , E , Devoto , F , Mehtala , P , Orava , R & CDF Collaboration 2016 , ' Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states ' Physical Review D , vol. 93 , no. 11 , 112010 . DOI: 10.1103/PhysRevD.93.112010

Title: Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states
Author: 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.; Barria, P.; Bartos, P.; Bauce, M.; Bedeschi, F.; Behari, S.; Bellettini, G.; Bellinger, J.; Benjamin, D.; Beretvas, A.; Bhatti, A.; Bland, K. R.; Blumenfeld, B.; Bocci, A.; Bodek, A.; Bortoletto, D.; Boudreau, J.; Boveia, A.; Brigliadori, L.; Bromberg, C.; Brucken, E.; Budagov, J.; Budd, H. S.; Burkett, K.; Busetto, G.; Bussey, P.; Butti, P.; Buzatu, A.; Devoto, F.; Mehtala, P.; Orava, R.
Contributor: University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
Date: 2016-06-20
Language: eng
Number of pages: 8
Belongs to series: Physical Review D
ISSN: 2470-0010
URI: http://hdl.handle.net/10138/184728
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.
Subject: FERMIOPHOBIC HIGGS
ATLAS DETECTOR
COLLISIONS
SIGNATURES
LHC
TEV
114 Physical sciences
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