Search for a Low-Mass Neutral Higgs Boson with Suppressed Couplings to Fermions Using Events with Multiphoton Final States

Aaltonen, Timo Antero; Amerio, Silvia; Amidei, Dante E; Anastassov, Anton Iankov; Annovi, Alberto; Antos, Jaroslav; Apollinari, Giorgio; Appel, Jeffrey A; Arisawa, Tetsuo; Artikov, Akram Muzafarovich

doi:10.1103/PhysRevD.93.112010

Search for a Low-Mass Neutral Higgs Boson with Suppressed Couplings to Fermions Using Events with Multiphoton Final States

CDF

Collaboration

Jan 4, 2016

8 pages

Published in:

Phys.Rev.D 93 (2016) 11, 112010

Published: Jun 20, 2016

e-Print:

1601.00401 [hep-ex]

DOI:

10.1103/PhysRevD.93.112010

PDG: Other Mass Limits

Report number:

FERMILAB-PUB-15-578-E

Experiments:

FNAL-E-0830

View in:

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Abstract: (APS)

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.

Note:

Submitted to Phys. Rev. Lett

12.60.Fr,
13.85.Rm
14.80.Ec
14.80.Fd
anti-p p: scattering
anti-p p: colliding beams
Higgs particle: doublet
Higgs particle: radiative decay
Higgs particle: coupling
Higgs particle: mass

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