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Similar

A. Djouadi, J. Kalinowski and M. Spira, Comput. Phys. Commun. 108
2008
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K. Nakamura et al.,
2010
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F. Mahmoudi and O. Stal, Phys. Rev. D 81
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O. Deschamps, S. Descotes-Genon, S. Monteil, V. Niess, S. T’Jampens and V. Tisserand, Phys. Rev. D 82
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2010
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2011
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For study of precision constraints on extra family with two-Higgs-doublets, H. J. He, N. Polonsky, and S. Su, Phys. Rev. D 64

Then

U. Heintz, “Searches for High Mass Resonances and Exotics at the Tevatron”, arXiv:1202.1009 [hep-ex], presentation at 2011 Hadron Collider Physics Symposium
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2011
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G. Tonelli [CMS Collaboration], “Update on the standard model Higgs searches in CMS”, joint CMS/ATLAS seminar at CERN, December 13, 2011; S. Chatrchyan, et al.,
Original
2012
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2012

LHC Signatures of Two-Higgs-Doublets with Fourth Family

Chen, Ning, He, Hong-Jian

Understand

On-going Higgs searches in the light mass window are of vital importance for testing the Higgs mechanism and probing new physics beyond the standard model (SM).

The latest ATLAS and CMS searches for the SM Higgs boson at the LHC (7TeV) found some intriguing excesses of events in the \gamma\gamma/VV^* channels (V=Z,W) around the mass-range of 124-126 GeV.
We explore a possible explanation of the \gamma\gamma and VV^* signals from the light CP-odd Higgs A^0 or CP-even Higgs h^0 from the general two-Higgs-doublet model with fourth-family fermions.
We demonstrate that by including invisible decays of the Higgs boson A^0 or h^0 to fourth-family neutrinos, the predicted \gamma\gamma and VV^* signals can explain the observed new signatures at the LHC, and will be further probed by the forthcoming LHC runs in 2012.

Built on

P. W. Higgs, Phys. Rev. Lett. 13
1967
Earlier work this paper cites.
P. Abreu et al
1992
Earlier work this paper cites.
M. Spira, A. Djouadi, D. Graudenz, and P. M. Zerwas, Nucl. Phys. B 453
1995
Earlier work this paper cites.
J. A. Casas, J. R. Espinosa, M. Quiros, Phys. Lett. B 382
1996
Earlier work this paper cites.
P. Achard et al.,
2001
Earlier work this paper cites.
H. J. He, C. T. Hill, and T. M. P. Tait, Phys. Rev. D 65
2002
Earlier work this paper cites.
For a review, C. T. Hill and E. H. Simmons, Phys. Rept. 381
2003
Earlier work this paper cites.
K. Belotsky, D. Fargion, M. Khlopov, R. Konoplich and K. Shibaev, Phys. Rev. D 68
2003
Earlier work this paper cites.

Similar

A. Djouadi, J. Kalinowski and M. Spira, Comput. Phys. Commun. 108
2008
Cited alongside, same era.
K. Nakamura et al.,
2010
Cited alongside, same era.
F. Mahmoudi and O. Stal, Phys. Rev. D 81
Original
2010
Cited alongside, same era.
O. Deschamps, S. Descotes-Genon, S. Monteil, V. Niess, S. T’Jampens and V. Tisserand, Phys. Rev. D 82
Original
2010
Cited alongside, same era.
F. Gianotti [ATLAS Collaboration], “Update on the Standard Model Higgs searches in ATLAS”, joint CMS/ATLAS seminar at CERN, December 13, 2011; G. Aad, et. al
2011
Cited alongside, same era.
For study of precision constraints on extra family with two-Higgs-doublets, H. J. He, N. Polonsky, and S. Su, Phys. Rev. D 64

Then

U. Heintz, “Searches for High Mass Resonances and Exotics at the Tevatron”, arXiv:1202.1009 [hep-ex], presentation at 2011 Hadron Collider Physics Symposium
Original
2011
Later among the works it cites.
E.g., G. Burdman and C. E. F. Haluch, JHEP 1112
Original
2011
Later among the works it cites.
W. Y. Keung and P. Schwaller, JHEP 1106
Original
2011
Later among the works it cites.
G. Tonelli [CMS Collaboration], “Update on the standard model Higgs searches in CMS”, joint CMS/ATLAS seminar at CERN, December 13, 2011; S. Chatrchyan, et al.,
Original
2012
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Original

2011

Cited alongside, same era.

S. Bar-Shalom, S. Nandi, and A. Soni, Phys. Rev. D 84

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2011

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A. De Roeck, “Top Production at Hadron Colliders”, presentation at XXV International Symposium on Lepton-Photon Interactions at High Energies

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J. F. Gunion, arXiv:1105.3965 [hep-ph]

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G. Burdman, C. Haluch, and R. Matheus, arXiv:1112.3961 [hep-ph]

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For a review, G. C. Branco, P. M. Ferreira, L. Lavoura, M. N. Rebelo, M. Sher, J. P. Silva, arXiv:1106.0034 [hep-ph], and references therein

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L. M. Carpenter, arXiv:1010.5502 [hep-ph]; arXiv:1110.4895 [hep-ph]

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2012

Closest in time.

CERN newly announced that the LHC will run at a center-of-mass energy of 8 TeV for 2012, see: Press Relaese “LHC to Run at 4 TeV Per Beam in 2012”, http://press.web.cern.ch/press/PressReleases/Releases2012/PR01.12E.html and Summary Session of “LHC Performance Workshop — Chamonix 2012”, February 15, 2012 at CERN, http://indico.cern.ch/conferenceDisplay.py?confId=170230

2012

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E. Halkiadakis, “Update on Searches for New Physics in CMS”, CERN PH-LHC Seminar, January 31, 2012

2012

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C. Englert, T. Plehn, M. Rauch, D. Zerwas, and P. M. Zerwas, Phys. Lett. B 707

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2012

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