20-24 May 2013
Bonn
Europe/Berlin timezone
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Parallel Session on Higgs Physics

Place

Location: Bonn
Address: Physikalisches Institut Nussallee 12 53115 Bonn
Room: Big Lecture Hall Mathematics
Date: 23 May 14:00 - 6:30 PM

Conveners

    • Mr. Haber, Howard
    • Mr. Haber, Howard

Timetable | Contribution List

Displaying 9 contributions out of 9
We discuss how to probe Beyond Standard Model theories with Higgs coupling data. I will discuss, first, how much Higgs couplings deviate from their Standard Model values in different theories if no other states are accessible at the LHC. We will argue that this is the experimental precision required in the measurement of Higgs couplings. Finally, I will discuss how present and future Higgs couplin ... More
Presented by Rick Sandeepan GUPTA on 23/5/2013 at 12:30
In this talk we revisit the simplest Higgs sector extension containing an additional scalar singlet. We perform a detailed analysis of double Higgs production at the LHC, exploring in particular the bbWW channel. We also comment the relevance of the results for Higgs portal DM models.
Presented by Jesus M. MORENO on 23/5/2013 at 12:00
The a 125 GeV Higgs boson can be most naturally realized within the MSSM if there is significant stop squark mixing. This talk deals with the difficulties in obtaining large stop mixing from high-scale SUSY breaking models. We detail the necessary conditions on the high-scale soft terms, and review several scenarios of SUSY breaking mediation with regards to their compatibility with maximal stop m ... More
Presented by Felix BRUEMMER on 23/5/2013 at 13:00
Extending the Higgs sector of the MSSM by triplets alleviates the little hierarchy problem and naturally allows for enhancements in the diphoton decay rate of the lightest CP-even Higgs. In this talk the Higgs phenomenology of this theory with a hyperchargeless triplet is analyzed. In particular, for any value m_A > m_h there is a parameter region where the CP-even Higgs sector appears at collider ... More
Presented by Germano NARDINI on 23/5/2013 at 16:10
After an introduction on the current experimental status of the Higgs boson, I will study the effect of new vector-like fermions on the h -> gamma gamma channels, in which the effect of new physics may be already showing up. In particular, I will analyze colored and uncolored fermions in their smallest SU(2) representations, and the modifications to the previously mentioned channels in regions all ... More
Presented by Enrico BERTUZZO on 23/5/2013 at 15:30
Nature seems to have chosen a light scalar to unitarize WW scattering. Yet, the Higgs discovery at the LHC does not fully resolve the electroweak symmetry breaking puzzle and one is left to find out what renders the light scalar naturally insensitive to (unknown) very short distance dynamics. New Physics models where the Higgs emerges as a Goldstone boson of some new strong dynamics at the TeV sca ... More
Presented by Cedric DELAUNAY on 23/5/2013 at 14:30
If the electroweak symmetry breaking is originated from a strongly coupled sector, as for instance in composite Higgs models, the Higgs boson couplings can deviate from their Standard Model values. In such cases, at suficiently high energies there could occur an onset of multiple Higgs boson and longitudinally polarised electroweak gauge boson (VL) production. We study the sensitivity to anomalou ... More
Presented by Alexandra OLIVEIRA on 23/5/2013 at 15:10
We propose a simultaneous collider search strategy for a pair of scalar bosons in the NMSSM through the decays of a very light pseudoscalar. The massive scalar has a mass around 126 GeV while the lighter one can have a mass in the vicinity of 98 GeV, thus explaining an apparent LEP excess, or be much lighter. The successive decay of this scalar pair into two light pseudoscalars, followed by lepton ... More
Presented by Chan Beom PARK on 23/5/2013 at 15:50
The basis of CP-even chiral effective operators describing a dynamical Higgs sector, is generalized to the case in which the Higgs-like particle is light. Gauge a nd gauge-Higgs operators are considered up to mass dimension five. This analysis completes the tool needed to explore at leading order the connection between linear realizations of the electroweak symmetry breaking mechanism - whose extr ... More
Presented by Juan Alberto YEPES on 23/5/2013 at 14:50
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