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SUSY07

25 July 2007 to 1 August 2007
Karlsruhe University
Europe/Zurich timezone

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Session

Colliders - Susy Phenomenology 9 (Theory)

Susy9
31 Jul 2007, 14:00
Physics Building (Karlsruhe University)

Physics Building

Karlsruhe University

Wolfgang-Gaede-Str. 1 76131 Karlsruhe Germany

Description

Chairperson: Werner POROD

Presentation materials

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  1. 264. A Collider Signature of the Supersymmetric Golden Region
    Mr Christian Spethmann (Cornell University)
    31/07/2007, 14:00
    Colliders - Susy Phenomenology
    Parallel Talk
    Null results of experimental searches for the Higgs boson and the superpartners imply a certain amount of fine-tuning in the electroweak sector of the Minimal Supersymmetric Standard Model (MSSM). The "golden region'' in the MSSM parameter space is the region where the experimental constraints are satisfied and the amount of fine-tuning is minimized. In this region, the stop trilinear soft...
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  2. 378. LHC detection reach for lambdaSusy
    Roberto Franceschini (Scuola Normale Superiore Pisa)
    31/07/2007, 14:20
    Colliders - Susy Phenomenology
    Parallel Talk
    Recently a non conventional scenario for low energy SUSY has been proposed (lambdaSusy). The main features of this model are an additional scalar singlet and a nearly-strong coupling in the scalar potential. This leads to a heavy higgs boson consistently with EWPT. Collider phenomenology for this model is quite different from standard Susy. In this work we address the issue of detection...
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  3. 134. SUSY dark matter models with a well-tempered neutralino
    Prof. Howard Baer (Florida State University)
    31/07/2007, 14:40
    Colliders - Susy Phenomenology
    Parallel Talk
    While most of parameter space of the mSUGRA model is excluded by the constraint on dark matter relic density, a variety of well-motivated models with non-universal soft breaking terms can easily accommodate the relic abundance. I survey various models with non-universal scalar and gauginos masses by the names of NUHM1, NUHM2, NMH, MWDM, BWCA-DM and compressed SUSY, or LM3DM. Each of these...
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  4. 140. Flavour Violating Interactions of Supersymmetric Particles
    Mr Andrew Box (University of Hawaii)
    31/07/2007, 15:00
    Colliders - Susy Phenomenology
    Parallel Talk
    In a wide class of supersymmetric models, the soft SUSY breaking parameters are determined by high scale physics. Using an appropriate high scale ansatz, weak scale SUSY couplings relevant for phenomenology can then be theoretically calculated using renormalization group (RG) methods. This procedure also allows us to obtain predictions for the flavour structure of the theory. To...
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  5. 258. Nonlinear gauge fixing for FeynArts
    Thomas Gajdosik (Fizikos Institutas and Vilnius University)
    31/07/2007, 15:20
    Colliders - Susy Phenomenology
    Parallel Talk
    Nonlinear gauge fixing is used for checking the internal consistencies of automated calculations. We implement the nonlinear gauge fixing, as proposed by Boudjema and Chopin, into FeynArts. We have to modify not only the model files, but also the Lorentz.gen file, as the nonlinear gauge fixing introduces terms that are not contained in the standard form for the vertices. We check our...
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  6. 419. ffmssmsc -- a C++ library for superpartner mass calculation and renormalization group analysis of the MSSM
    Alexei Sheplyakov (JINR)
    31/07/2007, 15:40
    Colliders - Susy Phenomenology
    Parallel Talk
    the main objectives of the ffmssmsc library are 1. Given the set of SM and QCD "observables", the model of SUSY breaking, calculate the MSSM Lagrangian parameters. 2. Given the MSSM Lagrangian parameters, calculate the physical (pole) masses of the superpartners. I discuss relevant physical principles, some implementation details, and accuracy estimates. The draft is...
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