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ICHEP 2016 Chicago

3โ€“10 Aug 2016
Chicago IL USA
US/Central timezone
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Session

Higgs Physics

D
4 Aug 2016, 09:00
Chicago IL USA

Chicago IL USA

Sheraton Grand Chicago 301 East Water Street Chicago IL 60611 USA

Conveners

Higgs Physics: 1

  • Kirill Prokofiev (The Hong Kong University of Science and Technology (HK))
  • Stefania Gori (Perimeter Institute/Cincinnati University)

Higgs Physics: 2

  • Stefania Gori (Perimeter Institute/Cincinnati University)
  • Kirill Prokofiev (The Hong Kong University of Science and Technology (HK))

Higgs Physics: 3

  • Kirill Prokofiev (The Hong Kong University of Science and Technology (HK))
  • Stefania Gori (Perimeter Institute/Cincinnati University)

Higgs Physics: 4

  • Kirill Prokofiev (The Hong Kong University of Science and Technology (HK))
  • Stefania Gori (Perimeter Institute/Cincinnati University)

Higgs Physics: 5

  • Kirill Prokofiev (The Hong Kong University of Science and Technology (HK))
  • Stefania Gori (Perimeter Institute/Cincinnati University)

Higgs Physics: 6

  • Kirill Prokofiev (The Hong Kong University of Science and Technology (HK))
  • Stefania Gori (Perimeter Institute/Cincinnati University)

Higgs Physics: 7

  • Stefania Gori (Perimeter Institute/Cincinnati University)
  • Kirill Prokofiev (The Hong Kong University of Science and Technology (HK))

Higgs Physics: 8

  • Kirill Prokofiev (The Hong Kong University of Science and Technology (HK))
  • Stefania Gori (Perimeter Institute/Cincinnati University)

Presentation materials

There are no materials yet.

  1. 621. Determination of the total LHC Higgs boson Cross Section (15' + 5')
    Dr Franz Herzog (Nikhef)
    04/08/2016, 09:00
    Higgs Physics
    Oral Presentation
    In this talk I will present the most precise theoretical determination of the total Higgs boson Cross Section at the LHC known to this date. This new determination was made possible only through the first complete calculation of an LHC observable at N3LO in perturbative QCD. I will discuss the impact of the N3LO correction on the total cross section and examine remaining sources of theoretical...
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  2. 758. Measurement of cross sections and couplings of the SM Higgs boson in the diphoton decay channel using the ATLAS detector (12' + 3')
    Andrew Pilkington (University Of Manchester)
    04/08/2016, 09:20
    Higgs Physics
    Oral Presentation
    The latest results on the measurement of the cross sections and couplings of the Higgs boson in the diphoton decay channel with the ATLAS detector are presented, using approximately 10 fb-1 of pp collision data collected at 13 TeV.
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  3. 484. Measurements of Higgs boson production and properties in the di-photon decay channel using the CMS detector (12' + 3')
    Vittorio Raoul Tavolaro (Eidgenoessische Tech. Hochschule Zuerich (CH))
    04/08/2016, 09:35
    Higgs Physics
    Oral Presentation
    A summary of the CMS results in the study of the Higgs boson in decays to diphotons will be presented in this talk.
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  4. 760. Measurement of cross sections and couplings of the SM Higgs boson in the ZZ decay channel using the ATLAS detector (12' + 3')
    Ludovica Aperio Bella (University of Birmingham (GB))
    04/08/2016, 09:50
    Higgs Physics
    Oral Presentation
    The latest results on the measurement of the cross sections and couplings of the Higgs boson in the ZZ decay channel with the ATLAS detector are presented, using approximately 10 fb-1 of pp collision data collected at 13 TeV.
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  5. 485. Measurements of Higgs boson production and properties in the ZZ decay channel using the CMS detector (12' + 3')
    Simon Regnard (Centre National de la Recherche Scientifique (FR))
    04/08/2016, 10:05
    Higgs Physics
    Oral Presentation
    A summary of the CMS results in the study of the Higgs boson in decays to four leptons will be presented in this talk.
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  6. 761. Measurement of cross sections and couplings of the SM Higgs boson in the WW decay channel using the ATLAS detector (12' + 3')
    Claudia Bertella (Johannes-Gutenberg-Universitaet Mainz (DE))
    04/08/2016, 10:20
    Higgs Physics
    Oral Presentation
    The measurement of the cross sections and couplings of the Higgs boson in the WW decay channel with the ATLAS detector is presented, using the run-1 dataset.
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  7. 486. Measurements of Higgs boson production and properties in the WW decay channel using the CMS detector (12' + 3')
    Andrea Massironi (Northeastern University (US))
    04/08/2016, 10:35
    Higgs Physics
    Oral Presentation
    A summary of the CMS results in the study of the Higgs boson in decays to W pair bosons will be presented in this talk.
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  8. 762. Measurement of fermionic couplings of the SM Higgs boson using the leptonic decay channels with the ATLAS detector (12' + 3')
    Dr Christian Grefe (Universitaet Bonn (DE))
    04/08/2016, 11:20
    Higgs Physics
    Oral Presentation
    The latest results on the measurement of the cross sections and couplings of the Higgs boson in the leptonic decay channels with the ATLAS detector are presented, using approximately 10 fb-1 of pp collision data collected at 13 TeV
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  9. 487. Measurements of Higgs boson production and properties in the di-lepton decay channel using the CMS detector (12' + 3')
    Pooja Saxena (Deutsches Elektronen-Synchrotron (DE))
    04/08/2016, 11:35
    Higgs Physics
    Oral Presentation
    The most recent results from CMS on the search for a neutral Higgs bosons decaying into a tau or a muon pair will be presented.
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  10. 763. Search for the SM Higgs boson in VH(bb) channel using the ATLAS detector (12' + 3')
    Patricia Conde Muino (LIP Laboratorio de Instrumentacao e Fisica Experimental de Part)
    04/08/2016, 11:50
    Higgs Physics
    Oral Presentation
    ATLAS results in the search for the Higgs boson in the VH production mode with the Higgs decaying to a b-quark pair will be given, using approximately 10 fb-1 of pp collision data collected at 13 TeV.
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  11. 488. Measurements of Higgs boson production and properties in the bbbar decay channel using the CMS detector (12' + 3')
    Chris Palmer (Princeton University (US))
    04/08/2016, 12:05
    Higgs Physics
    Oral Presentation
    The most recent results from CMS on the search for a neutral Higgs bosons decaying to bottom quarks will be presented.
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  12. 764. Search for the SM Higgs boson in the ttH production channel using the ATLAS detector. (12' + 3')
    John Stakely Keller (DESY (DE))
    04/08/2016, 12:20
    Higgs Physics
    Oral Presentation
    The associated production of the Higgs boson with top quarks should allow the direct observation of the coupling of the Higgs boson to top quarks. The channel also benefits for a large cross-section increase between 8 and 13 TeV. ATLAS results in the search for the Higgs boson in the ttH production mode will be presented.
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  13. 483. Search for Higgs bosons produced in association with top quarks in the CMS detector (12' + 3')
    Marco Peruzzi (CERN)
    04/08/2016, 12:35
    Higgs Physics
    Oral Presentation
    We present new results of CMS searches for a Higgs boson produced in association with top quarks, and decaying to gamma gamma, ZZ, WW, tautau, and bbbar final states. The analyses use pp collision data collected at center-of-mass energies of 13 TeV in 2015 and part of 2016. Where possible, results will be combined to give a total ttH sensitivity.
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  14. 765. Determination of the Higgs boson properties with the ATLAS detector. (15' + 5')
    Bertrand Laforge (Lab.de Phys.Nucleaire et de Hautes Energie/LPNHE (LPNHE))
    04/08/2016, 12:50
    Higgs Physics
    Oral Presentation
    The results obtained from the different search channels are combined to determine global properties of the SM Higgs boson production and decay, measured at 13 TeV using about 10 fb-1 of p-p collisions.
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  15. 1622. Combined results of the 125 GeV Higgs boson on the mass, tensor structure, and couplings measured by the CMS detector (15' + 5')
    Ulascan Sarica (Johns Hopkins University (US))
    04/08/2016, 13:10
    Higgs Physics
    Oral Presentation
    The status of mass, tensor structure, and couplings measurements of the 125 GeV Higgs boson using the combination of all decay channels from the CMS experiment will be discussed in this talk.
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  16. 1521. Tools for Higgs Boson Properties with the JHUGen / MELA Framework (15' + 5')
    Dr Meng Xiao (Johns Hopkins University (US))
    04/08/2016, 17:00
    Higgs Physics
    Oral Presentation
    Study of the CP parity of a Higgs boson and its anomalous couplings to gauge bosons or fermions is one of the priorities of the LHC. We present a coherent framework for the measurement of Higgs boson couplings to two weak vector bosons using its decay, vector boson fusion production, and associated production with a vector boson. Both on-shell and off-shell Higgs boson productions are...
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  17. 824. Constraints on the Standard Model dimension 6 effective Lagrangian with HEPfit (15' + 5')
    Dr Jorge de Blas (INFN Rome)
    04/08/2016, 17:20
    Higgs Physics
    Oral Presentation
    Using the HEPfit code, we derive constraints on dimension 6 gauge-invariant operators involving Standard Model fields using Electroweak Precision Observables and Higgs signal strengths. We present bounds on Wilson coefficients and translate them into bounds on the New Physics scale. We obtain bounds on individual coefficients and discuss the most general set of operators that can be...
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  18. 456. SMEFT, a theory for SM deviations (15' + 5')
    Prof. Giampiero Passarino (Torino University)
    04/08/2016, 17:40
    Higgs Physics
    Oral Presentation
    After the LHC Run 1, the standard model (SM) of particle physics has been completed. Yet, despite its successes, the SM has shortcomings vis-ร -vis cosmological and other observations. At the same time, while the LHC restarts for Run 2 at 13 TeV, there is presently a lack of direct evidence for new physics phenomena at the accelerator energy frontier. From this state of affairs arises the...
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  19. 1461. Higgs productions in the gluon fusion channel: a complete EFT analysis (15' + 5')
    Ayan Paul (INFN, Sezione di Roma)
    04/08/2016, 18:00
    Higgs Physics
    Oral Presentation
    Much can be gleaned about new degrees of freedom from loop induced gluon fusion processes in the LHC runs in the near future. We look at multiple channels like the gg $\to$ 4l, double Higgs production and Higgs + jet production for the HL-LHC and the 100 TeV FCC and make a combination of these processes to address the $c_t - c_g$ degeneracy in the EFT language. We look at some simplified...
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  20. 546. Higgs off-shell effects at NLO (15' + 5')
    Raoul Rontsch (Karlsruhe Institute of Technology)
    04/08/2016, 18:20
    Higgs Physics
    Oral Presentation
    There has been a lot of interest recently in the high-mass behavior of the Higgs boson in its decay to a pair of massive electroweak bosons. In this kinematic regime, the interference between Higgs-mediated amplitudes and continuum $gg \to VV$ amplitudes becomes significant and destructive. I will present the NLO QCD corrections to the interference, including corrections to the continuum...
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  21. 1492. Role of low-energy observables in precision Higgs boson analyses (15' + 5')
    Alexey Petrov (Wayne State University)
    04/08/2016, 18:40
    Higgs Physics
    Oral Presentation
    A conventional approach to precision calculations of Higgs boson observables uses quark masses $m_c$ and $m_b$ as inputs. However, quark masses are single numbers that hide a variety of low-energy data from which they are extracted, and also hide the various sources of theoretical uncertainties and correlations with additional input parameters such as $\alpha_s$. Higher-precision calculations,...
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  22. 498. Searches for double Higgs production or decay using the CMS detector (15' + 5')
    Giacomo Ortona (Centre National de la Recherche Scientifique (FR))
    05/08/2016, 11:30
    Higgs Physics
    Oral Presentation
    The production of the pairs of Higgs bosons provides a direct handle on the structure of the Higgs field potential.While the HH production within the SM is very small and essentially out of the experimental reach within the Run I or II, several beyond SM theories foresee an enhancement that can be already probed with the available data. Searches for resonant and non-resonant productions of...
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  23. 774. Search for di-Higgs production with the ATLAS detector (15' + 5')
    Tulin Varol (Southern Methodist University (US))
    05/08/2016, 11:50
    Higgs Physics
    Oral Presentation
    An enhanced production of two Higgs bosons would be a clear sign of beoynd Standard Model physics. A search is performed for resonant and non-resonant excess production, including several decay channels of the two Higgs bosons. The analysis uses about 10 fb-1 of p-p collisions at 13 TeV.
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  24. 1423. Single Higgs production at LHC as a probe for an anomalous Higgs self coupling (15' + 5')
    Dr Pier Paolo Giardino (Brookhaven National Laboratory)
    05/08/2016, 12:10
    Higgs Physics
    Oral Presentation
    The Higgs trilinear coupling $\lambda_3$ is still a missing piece in the Standard Model puzzle. Although its theoretical value can be extracted from its relation to the mass of the Higgs and the Fermi constant, its measurement through the double Higgs production is particularly challenging. We explore the possibility of probing an anomalous trilinear coupling indirectly, through the production...
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  25. 777. Search for invisible decay modes of the Higgs boson with the ATLAS detector. (15' + 5')
    Monica Trovatelli (University of Victoria (CA))
    05/08/2016, 12:30
    Higgs Physics
    Oral Presentation

    The total decay width of the Higgs boson has not yet been constrained precisely with the LHC data. Some of the width could be associated to decays to invisible particles, for example Dark Matter particles. A search for invisible decays of the Higgs boson is performed using about 10 fb-1 of p-p collisions at 13 TeV.

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  26. 490. Search for invisible decays of the 125 GeV Higgs boson using the CMS detector (15' + 5')
    Nicholas Wardle (CERN)
    05/08/2016, 12:50
    Higgs Physics
    Oral Presentation
    Recent results on searches for invisible Higgs boson decays will be presented in this talk.
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  27. 769. Search for high mass Higgs bosons using the ATLAS detector (15' + 5')
    Karsten Koeneke (Albert-Ludwigs-Universitaet Freiburg (DE))
    05/08/2016, 13:10
    Higgs Physics
    Oral Presentation
    Several theories beyond the Standard Model, like the EWS or 2HDM models, predict the existence of high mass Higgs particles, which could decay into final states with Weak bosons. In this presentation the latest ATLAS results on these searches will be discussed, using about 10 fb-1 of p-p collisions at 13 TeV.
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  28. 496. Searches for high-mass neutral Higgs bosons using the CMS detector (15' + 5')
    Dr Benedikt Vormwald (Hamburg University (DE))
    05/08/2016, 13:30
    Higgs Physics
    Oral Presentation
    The status of the search for neutral Higgs bosons at masses greater than 200GeV will be summarized in this talk.
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  29. 401. Phenomenology of sequestered mass generation (15' + 5')
    Wolfgang Altmannshofer (University of Cincinnati)
    05/08/2016, 14:25
    Higgs Physics
    Oral Presentation
    Measurements of Higgs production and decays have revealed that most of the electroweak symmetry breaking is due to the 125 GeV Higgs boson. Similarly, we know that the Higgs is at least partially responsible for giving mass to the top and bottom quarks and the tau lepton. Much less is known about the origin of mass for the first two generations. In this talk, I discuss a framework in which the...
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  30. 70. New Signatures of Flavor Violating Higgs Couplings (15' + 5')
    Xiaoping Wang (Johannes Gutenberg University Mainz)
    05/08/2016, 14:45
    Higgs Physics
    Oral Presentation
    We explore several novel LHC signatures arising from quark or lepton flavor violating couplings in the Higgs sector, and we constrain such couplings using LHC data. Since the largest signals are possible in channels involving top quarks or tau leptons, we consider in particular the following flavor violating processes: (1) ppโ†’thh (top plus di-Higgs final state) arising from a dimension six...
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  31. 775. Search for non-standard and rare decays of the Higgs boson with the ATLAS detector. (15' + 5')
    Davide Gerbaudo (Universitat Autรฒnoma de Barcelona (ES))
    05/08/2016, 15:05
    Higgs Physics
    Oral Presentation
    Some theories predict Lepton Flavour Violating decays of the Higgs boson, while other predict enhanced decay rates in rare modes like Z-photon, J/Psi-photon and Phi-photon. Such decays are searched for using about 10 fb-1 of p-p collisions at 13 TeV.
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  32. 491. Search for exotic decays of the 125 GeV Higgs boson using the CMS detector (15' + 5')
    Maria Cepeda Hermida (CERN)
    05/08/2016, 15:25
    Higgs Physics
    Oral Presentation
    Recent results on searches for exotic Higgs boson decays will be presented in this talk.
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  33. 776. Search for the decay of the Higgs boson into two nMSSM pseudo-scalar particles. (12' + 3')
    Lidija Zivkovic (Institute of physics Belgrade (RS))
    05/08/2016, 15:45
    Higgs Physics
    Oral Presentation
    The next to MSSM theory predicts the existence of a light pseudoscalar boson "a", and the decay of the Higgs boson into a pair of such particles. This scheme is searched for in several final states relative to different decay modes of the "a" particle, using about 10 fb-1 of p-p collisions at 13 TeV.
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  34. 497. Searches for low-mass neutral Higgs bosons using the CMS detector (12' + 3')
    Camilo Andres Carrillo Montoya (CERN)
    05/08/2016, 16:00
    Higgs Physics
    Oral Presentation
    Searches for additional scalars and pseudoscalar with masses below the newly discovered higgs boson h(125). These searches are motivated within several BSM theories, most significantly extensions of the non mininal extensions of the MSSM like the NMSSM, where additional scalar and pseudoscalar states are expected. The mass range from 350 MeV to 110 GeV is explored with different final states....
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  35. 188. Simplified Models for Higgs Physics: Singlet Scalar and Vector-like Quark Phenomenology (12' + 3')
    Dr Thomas Rizzo (SLAC)
    05/08/2016, 16:15
    Higgs Physics
    Oral Presentation
    Simplified models provide a useful tool to conduct the search and exploration of physics beyond the Standard Model in a model-independent fashion. In this work we consider the complementarity of indirect searches for new physics in Higgs couplings and distributions with direct searches for new particles, using a simplified model which includes a new singlet scalar resonance and vector-like...
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  36. 1367. Production of heavy Higgs bosons and decay into top quarks at the LHC (15' + 5')
    Peter Galler (Humboldt-Universitรคt zu Berlin)
    05/08/2016, 17:00
    Higgs Physics
    Oral Presentation
    As heaviest elementary particle, the top quark represents an ideal laboratory to search for physics beyond the SM. In this talk we study an extended Higgs sector as a viable SM extension. In particular, we investigate the impact of the type-II two-Higgs-doublet model with two neutral Higgs bosons with masses larger than twice the top quark mass on top-quark pair production. More...
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  37. 768. Challenges and opportunities of ttbar resonance search at the LHC (12' + 3')
    Zhen Liu (Fermilab)
    05/08/2016, 17:20
    Higgs Physics
    Oral Presentation
    The heavy scalar resonance search channel of ggโ†’Sโ†’tt is known to be very challenging, caused by a large destructive interference with the SM background. We analyze the line shapes of heavy scalars in several well-motivated beyond the standard model physics models. Commonly existing additional contributions to the glu-glu-scalar coupling change the relative phases of the signal and background...
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  38. 1434. Interference effects in BSM Higgs searches (12' + 3')
    Elina Fuchs (Weizmann Institute of Science)
    05/08/2016, 17:35
    Higgs Physics
    Oral Presentation
    Interference effects between quasi mass-degenerate new particles can significantly modify predictions of their cross sections and decay widths. In particular in the MSSM, two neutral Higgs bosons can have very similar masses. However, the experimental searches for additional neutral Higgs bosons have so far been restricted to scenarios without interference of nearby resonances. We discuss how...
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  39. 771. Search for a high mass Z-photon resonance using the ATLAS detector (15' + 5')
    Giovanni Marchiori (LPNHE Paris)
    05/08/2016, 17:50
    Higgs Physics
    Oral Presentation
    Many theorie beyond the Standard Model predict a resonance with a significant decay rate into a Z boson and a photon in a large mass range. The search for such a resonance is presented, using about 10 fb-1 of p-p collisions at 13 TeV.
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  40. 772. Search of a high mass neutral Higgs boson in fermion final states with the ATLAS detector. (15' + 5')
    Trevor Vickey (University of Sheffield (GB))
    05/08/2016, 18:10
    Higgs Physics
    Oral Presentation
    Several theories, like the Minimal Supersymmetric Standard Model, predict a high mass neutral Higgs boson with a significant decay rate into the tau-tau final state. The search for a scalar resonance in the tau-tau and other fermion decay channels is presented, using about 10 fb-1 of p-p collisions at 13 TeV
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  41. 501. Search for a Higgs boson decaying to ZH or ZA at CMS (15' + 5')
    Alexandre Jean N Mertens (Universite Catholique de Louvain (UCL) (BE))
    05/08/2016, 18:30
    Higgs Physics
    Oral Presentation
    Searches for Higgs bosons decaying to a pair of Higgs bosons (hh or hA) or for a Higgs boson decaying to Zh/ZA are presented.
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  42. 495. Searches for charged Higgs bosons using the CMS detector (12' + 3')
    Andrea Carlo Marini (Massachusetts Inst. of Technology (US))
    06/08/2016, 09:00
    Higgs Physics
    Oral Presentation
    Recent results on searches for charged Higgs bosons at the LHC by the CMS collaboration are presented. Charged Higgs bosons have bean searched for in top quark decays for lower mass and directly produced for higher masses. Charged Higgs boson decays into tau nu, cs and tb have been exploited.
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  43. 773. Charged Higgs boson searches with the ATLAS detector (12' + 3')
    Carl Bryan Gwilliam (University of Liverpool (GB))
    06/08/2016, 09:15
    Higgs Physics
    Oral Presentation

    Several theories beyond the Standard Model, like the 2HDM, predict the existence of high mass charged Higgs particles. Such charged Higgses, produced in association with a top quark, are searched for in the tau + jets decay channel and in the top-bottom decay channel, using about 10 fb-1 of p-p collisions at 13 TeV.

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  44. 779. ATLAS Higgs physics prospects at the high luminosity LHC (12' + 3')
    Thomas Koffas (Carleton University (CA))
    06/08/2016, 09:30
    Higgs Physics
    Oral Presentation
    The Higgs physics prospects at the high-luminosity LHC are presented, assuming an energy of sqrt(s) = 14 TeV and a data sample of 3000 fb-1. In particular, the ultimate precision attainable on the couplings measurements of the 125 GeV particle with elementary fermions and bosons is discussed, as well as perspectives on the search for the Standard Model di-Higgs production, which could lead...
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  45. 1157. Higgs physics in pp collisions at 100 TeV (20' + 5')
    Michelangelo Mangano (CERN)
    06/08/2016, 09:45
    Higgs Physics
    Oral Presentation
    A 100 TeV pp collider, with a statistics of over 10 billion produced Higgs bosons, offers many opportunities for precision measurements, searches of rare or forbidden decays, and studies of production in extreme kinematical configurations, potentially sensitive to new short-distance phenomena. This presentation reviews recent progress in these explorations, done in the framework of the Future...
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  46. 1197. Higgs Physics at CEPC (15' + 5')
    Manqi Ruan (Chinese Academy of Sciences (CN))
    06/08/2016, 10:10
    Higgs Physics
    Oral Presentation
    Focusing on the Post-Higgs-Discovery era of High Energy Frontier, the CEPC is envisioned to be a future circular collider with multiple operation phases. The CEPC has a total circumference of at least 54 km and at least two interaction points. In its 10 years operation at ~240 GeV with the focus on collecting a sample of ~1M e+e- -> ZH events, the CEPC will determine the Higgs couplings to...
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  47. 1235. Higgs physics at the LHeC and FCC-he (15' + 5')
    Bruce Mellado Garcia (University of the Witwatersrand)
    06/08/2016, 10:30
    Higgs Physics
    Oral Presentation
    Energy-frontier deep inelastic scattering at 1000 times higher luminosity than HERA is considered with the LHeC and further the FCC-he. These collider configurations provide unique possibilities for high precision studies of the SM and BSM Higgs sector, such as a 1 % accurate measurement of the $H\to b\bar b$ coupling and significant constraints of the H-to-invisible decay at the LHeC, or...
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  48. 620. Higgs physics at CLIC (15' + 5')
    Strahinja Lukic (University of Belgrade (RS))
    06/08/2016, 11:05
    Higgs Physics
    Oral Presentation
    The Compact Linear Collider (CLIC) is an option for a future multi-TeV electron-positron collider, offering the potential for a rich precision physics programme, combined with sensitivity to a wide range of new phenomena. The CLIC physics potential for measurements of the 125 GeV Higgs boson has been studied using full detector simulations for several centre-of-mass energies. The presented...
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  49. 1479. probe the electroweak phase transition from the precision hZZ coupling measurement at future colliders (12' + 3')
    Peisi Huang (University of Chicago/Argonne National Laboratory)
    06/08/2016, 11:25
    Higgs Physics
    Oral Presentation
    We study the correlation between the value of the hZZ coupling and the nature of the electroweak phase transition. We also consider a singlet extension of the SM to study the correlation of the hZZ coupling and the first order phase transition. Furthermore, we study how the further colliders, for example CEPC and ILC, can probe the precision hZZ coupling.
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  50. 1595. CEPC benchmark analyses: Higgs recoil analysis and Higgs width measurement (15' + 5')
    Zhenxing Chen (Peking University & IHEP)
    06/08/2016, 11:40
    Higgs Physics
    Oral Presentation
    The CEPC collider is designed to be operated as a Higgs factory at the ~240 GeV center-of-mass energy. Comparing to the proton-proton collider, one of the most distinguishable advantage of such an electron-positron collider is the model-independent tagging of Higgs boson via the recoil mass method. This method allows absolute measurement of the couplings between Higgs boson and other most...
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  51. 1539. Singlet-Catalyzed Electroweak Phase Transitions in the 100 TeV Frontier (12' + 3')
    Dr Peter Winslow (University of Massachusetts, Amherst)
    06/08/2016, 12:00
    Higgs Physics
    Oral Presentation
    We study the prospects for probing a gauge singlet scalar-driven strong first order electroweak phase transition with a future proton-proton collider in the 100 TeV range. Singlet-Higgs mixing enables resonantly-enhanced di-Higgs production, potentially aiding discovery prospects. We perform Monte Carlo scans of the parameter space to identify regions associated with a strong first-order...
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  52. 1156. Higgs measurements at the Future Circular Colliders (12' + 3')
    David d'Enterria (CERN)
    06/08/2016, 12:15
    Higgs Physics
    Oral Presentation
    After the Higgs boson discovery, the precision measurements and searches for new phenomena in the Higgs sector are among the most important goals in particle physics. Experiments at the Future Circular Colliders (FCC) are ideal to study these questions. Electron-positron collisions up to an energy of 350 GeV (FCC-ee) provide the ultimate precision with studies of Higgs boson couplings, mass,...
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  53. 1604. Measurement of the Higgs self-coupling at the ILC (20' + 5')
    Jan Fridolf Strube
    06/08/2016, 12:30
    Higgs Physics
    Oral Presentation
    The self-coupling of the Higgs boson is a fundamental ingredient in the physics of electroweak symmetry breaking. Measurement of this parameter will give evidence on the form of the Higgs field potential and that nature of the phase transition to electroweak symmetry breaking in the early universe. In this talk, we will present estimates of the measurement accuracy for this parameter in e+e-...
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