LHC signatures of two-Higgs-doublets with fourth family (original) (raw)

• P.W. Higgs, Broken symmetries and the masses of gauge bosons, Phys. Rev. Lett. 13 (1964) 508 [INSPIRE].
  Article MathSciNet ADS Google Scholar
• F. Englert and R. Brout, Broken symmetry and the mass of gauge vector mesons, Phys. Rev. Lett. 13 (1964) 321 [INSPIRE].
  Article MathSciNet ADS Google Scholar
• P.W. Higgs, Broken symmetries, massless particles and gauge fields, Phys. Lett. 12 (1964) 132 [INSPIRE].
  ADS Google Scholar
• G. Guralnik, C. Hagen and T. Kibble, Global conservation laws and massless particles, Phys. Rev. Lett. 13 (1964) 585 [INSPIRE].
  Article ADS Google Scholar
• T. Kibble, Symmetry breaking in non-abelian gauge theories, Phys. Rev. 155 (1967) 1554 [INSPIRE].
  Article ADS Google Scholar
• ATLAS collaboration, F. Gianotti, Update on the standard model Higgs searches in ATLAS, joint CMS/ATLAS seminar at CERN, December 13 (2011).
• ATLAS collaboration, G. Aad et al., Combined search for the standard model Higgs boson using up to 4_._9 fb −1 of pp collision data at \( \sqrt {s} = 7TeV \) with the ATLAS detector at the LHC, arXiv:1202.1408 [PH-EP-2012-019] [INSPIRE].
• ATLAS collaboration, Search for the standard model Higgs boson in the diphoton decay channel with 4_._9 fb−1 of pp collisions at \( \sqrt {s} = 7TeV \) with ATLAS, Phys. Rev. Lett. 108 (2012) 111803 [arXiv:1202.1414] [CERN-PH-EP-2012-013] [INSPIRE].
  Article ADS Google Scholar
• ATLAS collaboration, Search for the standard model Higgs boson in the decay channel H → ZZ (*) → 4_ℓ with_ 4_._8fb−1 of pp collisions at \( \sqrt {s} = 7TeV \) with ATLAS, Phys. Lett. B 710 (2012) 383 [arXiv:1202.1415] [CERN-PH-EP-2012-014] [INSPIRE].
  ADS Google Scholar
• CMS collaboration, G. Tonelli, Update on the standard model Higgs searches in CMS, joint CMS/ATLAS seminar at CERN, December 13 (2011).
• CMS collaboration, S. Chatrchyan et al., Search for a Higgs boson in the decay channel H → ZZ (*) → \( q\overline q {\ell^{ - }}{\ell^{ + }} \) in pp collisions at \( \sqrt {s} = 7TeV \),arXiv:1202.1416 [CERN-PH-EP-2012-028] [INSPIRE].
• CMS collaboration, Search for the standard model Higgs boson decaying into two photons in pp collisions at \( \sqrt {s} = 7TeV \), Phys. Lett. B 710 (2012) 403 [arXiv:1202.1487] [CERN-PH-EP-2012-024] [INSPIRE].
  ADS Google Scholar
• CMS collaboration, S. Chatrchyan et al., Combined results of searches for the standard model Higgs boson in pp collisions at \( \sqrt {s} = 7TeV \), Phys. Lett. B 710 (2012) 26 [arXiv:1202.1488] [CERN-PH-EP-2012-024] [INSPIRE].
  ADS Google Scholar
• CMS collaboration, Search for the standard model Higgs boson decaying to W + W − in the fully leptonic final state in pp collisions at \( \sqrt {s} = 7TeV \), Phys. Lett. B 710 (2012) 91 [arXiv:1202.1489] [PH-EP-2012-018] [INSPIRE].
  ADS Google Scholar
• CMS collaboration, Search for the standard model Higgs boson in the H → ZZ → 2ℓ2_ν channel in pp collisions at_ \( \sqrt {s} = 7TeV \), arXiv:1202.3478 [INSPIRE] [CERN-PH-EP-2012-033] [INSPIRE].
• CMS collaboration, Search for the standard model Higgs boson in the H → ZZ → ℓ + ℓ − τ + τ − decay channel in pp collisions at \( \sqrt {s} = 7TeV \), arXiv:1202.3617 [CERN-PH-EP-2012-038] [INSPIRE].
• J. Casas, J. Espinosa and M. Quirós, Standard model stability bounds for new physics within LHC reach, Phys. Lett. B 382 (1996) 374 [hep-ph/9603227] [INSPIRE].
  ADS Google Scholar
• C.T. Hill and E.H. Simmons, Strong dynamics and electroweak symmetry breaking, Phys. Rept. 381 (2003) 235 [Erratum ibid. 390 (2004) 553-554] [hep-ph/0203079] [INSPIRE].
• H.-J. He, C.T. Hill and T.M. Tait, Top quark seesaw, vacuum structure and electroweak precision constraints, Phys. Rev. D 65 (2002) 055006 [hep-ph/0108041] [INSPIRE].
  ADS Google Scholar
• J.F. Gunion, Ruling out a 4th generation using limits on hadron collider Higgs signals, arXiv:1105.3965 [INSPIRE].
• G. Burdman, C. Haluch and R. Matheus, Is the LHC observing the pseudo-scalar state of a two-Higgs doublet model?, arXiv:1112.3961 [INSPIRE].
• H.-J. He, N. Polonsky and S.-f. Su, Extra families, Higgs spectrum and oblique corrections, Phys. Rev. D 64 (2001) 053004 [hep-ph/0102144] [INSPIRE].
  ADS Google Scholar
• M. Hashimoto, Constraints on mass spectrum of fourth generation fermions and Higgs bosons, Phys. Rev. D 81 (2010) 075023 [arXiv:1001.4335] [INSPIRE].
  ADS Google Scholar
• S. Bar-Shalom, S. Nandi and A. Soni, Two Higgs doublets with 4th generation fermions-models for TeV-scale compositeness, Phys. Rev. D 84 (2011) 053009 [arXiv:1105.6095] [INSPIRE].
  ADS Google Scholar
• M. Baak et al., Updated status of the global electroweak fit and constraints on new physics, arXiv:1107.0975 [INSPIRE].
• G. Branco et al., Theory and phenomenology of two-Higgs-doublet models, arXiv:1106.0034 [INSPIRE].
• M. Spira, A. Djouadi, D. Graudenz and P. Zerwas, Higgs boson production at the LHC, Nucl. Phys. B 453 (1995) 17 [hep-ph/9504378] [INSPIRE].
  Article ADS Google Scholar
• LHC to run at 4 TeV per beam in 2012, http://press.web.cern.ch/press/PressReleases/Releases2012/PR01.12E.html.
• Summary Session of LHC Performance Workshop “_Chamonix 2012_”, February 15, CERN, Switzerland (2012), http://indico.cern.ch/conferenceDisplay.py?confId=170230.
• L.M. Carpenter, Fourth generation lepton sectors with stable Majorana neutrinos: from LEP to LHC, arXiv:1010.5502 [INSPIRE].
• L.M. Carpenter, Higgs search constraints on fourth generation scenarios with general lepton sectors, arXiv:1110.4895 [INSPIRE].
• Particle Data Group, K. Nakamura et al., Searches for heavy neutral leptons, J. Phys. G 37 (2010) 075021.
  ADS Google Scholar
• DELPHI collaboration, P. Abreu et al., Searches for heavy neutrinos from Z decays, Phys. Lett. B 274 (1992) 230 [INSPIRE].
  ADS Google Scholar
• L3 collaboration, P. Achard et al., Search for heavy neutral and charged leptons in e + e − annihilation at LEP, Phys. Lett. B 517 (2001) 75 [hep-ex/0107015] [INSPIRE].
  ADS Google Scholar
• E. Halkiadakis, Update on searches for new physics in CMS, CERN PH-LHC seminar, January 31 (2012).
• ATLAS collaboration, G. Aad et al., Search for pair production of a heavy quark decaying to a W boson and a b quark in the lepton+jets channel with the ATLAS detector, arXiv:1202.3076 [INSPIRE].
• A. De Roeck, Top production at hadron colliders, presentation given at XXV international symposium on lepton-photon interactions at high energies, August 21-27, Mumbai, India (2011).
• U. Heintz, Searches for high mass resonances and exotics at the Tevatron, presentation given at 2011 hadron collider physics symposium, November 14-18, Paris, France (2011), arXiv:1202.1009 [INSPIRE].
• A. Djouadi, J. Kalinowski and M. Spira, HDECAY: a program for Higgs boson decays in the standard model and its supersymmetric extension, Comput. Phys. Commun. 108 (1998) 56 [hep-ph/9704448] [INSPIRE].
  Article ADS MATH Google Scholar
• A. Djouadi, The anatomy of electro-weak symmetry breaking. I: the Higgs boson in the standard model, Phys. Rept. 457 (2008) 1 [hep-ph/0503172] [INSPIRE].
  Article ADS Google Scholar
• R.E. Shrock and M. Suzuki, Invisible decays of Higgs bosons, Phys. Lett. B 110 (1982) 250 [INSPIRE].
  ADS Google Scholar
• G. Burdman and C.E. Haluch, Two Higgs doublets from fermion condensation, JHEP 12 (2011) 038 [arXiv:1109.3914] [INSPIRE].
  Article ADS Google Scholar
• F. Mahmoudi and O. Stal, Flavor constraints on the two-Higgs-doublet model with general Yukawa couplings, Phys. Rev. D 81 (2010) 035016 [arXiv:0907.1791] [INSPIRE].
  ADS Google Scholar
• O. Deschamps et al., The two Higgs doublet of Type II facing flavour physics data, Phys. Rev. D 82 (2010) 073012 [arXiv:0907.5135] [INSPIRE].
  ADS Google Scholar
• G. Guo, B. Ren and X.-G. He, LHC evidence of a 126 GeV Higgs boson from H → γγ with three and four generations, arXiv:1112.3188 [INSPIRE].
• K. Belotsky, D. Fargion, M. Khlopov, R. Konoplich and K. Shibaev, Invisible Higgs boson decay into massive neutrinos of fourth generation, Phys. Rev. D 68 (2003) 054027 [hep-ph/0210153] [INSPIRE].
  ADS Google Scholar
• W.-Y. Keung and P. Schwaller, Long lived fourth generation and the Higgs, JHEP 06 (2011) 054 [arXiv:1103.3765] [INSPIRE].
  Article ADS Google Scholar
• S. Cetin, T. Cuhadar-Donszelmann, M. Sahin, S. Sultansoy and G. Unel, Impact of the relatively light fourth family neutrino on the Higgs boson search, Phys. Lett. B 710 (2012) 328 [arXiv:1108.4071] [INSPIRE].
  ADS Google Scholar
• C. Englert, T. Plehn, M. Rauch, D. Zerwas and P.M. Zerwas, LHC: standard Higgs and hidden Higgs, Phys. Lett. B 707 (2012) 512 [arXiv:1112.3007] [INSPIRE].
  ADS Google Scholar