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- Benjamin C. Allanach, C. Balázs, +17 authors J. Lykken
- Computer Physics Communications
- 2009

The Supersymmetry Les Houches Accord (SLHA) [1] provides a universal set of conventions for conveying spectral and decay information for supersymmetry analysis problems in high energy physics. Here, we propose extensions of the conventions of the first SLHA to include various generalisations: the minimal supersymmetric standard model with violation of CP,… (More)

- J. A. Aguilar-Saavedra, Anwar Ali, +93 authors S.-H. Zhu
- 2005

High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is needed when higher-order corrections are included. We propose such a scheme, Supersymmetry Parameter Analysis SPA, based on a consistent set of conventions and input parameters. A… (More)

We investigate scenarios in which a charged, long-lived scalar particle decouples from the primordial plasma in the Early Universe. We compute the number density at time of freeze-out considering both the cases of abelian and non-abelian interactions and including the effect of Sommerfeld enhancement at low initial velocity. We also discuss as extreme case… (More)

We estimate the current theoretical uncertainty in sparticle mass predictions by comparing several state-of-the-art computations within the minimal supersymmetric standard model (MSSM). We find that the theoretical uncertainty is comparable to the expected statistical errors from the Large Hadron Collider (LHC), and significantly larger than those expected… (More)

- Alfred Bartl, Helmut Eberl, S. Kraml, W. Majerotto, Werner Porod
- 2000

We discuss production and decays of stops, sbottoms, τ-sneutrinos, and staus in e + e − annihilation in the energy range √ s = 0.5 − 1 TeV. We present numerical predictions within the Minimal Supersymmetric Standard Model for cross sections and decay rates, including one–loop radiative corrections as well as initial state radiation. We also study the… (More)

- John F. Gunion, Yun Jiang, S. Kraml
- Physical review letters
- 2013

We develop diagnostic tools that would provide incontrovertible evidence for the presence of more than one Higgs boson near 125 GeV in the LHC data.

- S. Kraml, Howard Baer, F. E. Paige, Serban Protopopescu, SuSpect
- 2003

We provide a comparison of the results of four SUSY mass spectrum calculations in mSUGRA: Isajet, SuSpect, SoftSusy, and SPheno. In particular, we focus on the high tanβ and focus point regions, where the differences in the results are known to be large.

We compare results of four public supersymmetric (SUSY) spectrum codes, ISAJET7.71, SOFTSUSY1.9, SPHENO2.2.2 and SUSPECT2.3 to estimate the presentday uncertainty in the calculation of the relic density of dark matter in mSUGRA models. We find that even for mass differences of about 1% the spread in the obtained relic densities can be 10%. In difficult… (More)

- Salavat Abdullin, Darin Acosta, +57 authors Dirk Zerwas
- 2006

This is the “TeV4LHC” report of the “Physics Landscapes” Working Group, focused on facilitating the start-up of physics explorations at the LHC by using the experience gained at the Tevatron. We present experimental and theoretical results that can be employed to probe various scenarios for physics beyond the Standard Model. ¶ Convenors of the Physics… (More)

We discuss NMSSM scenarios in which the lightest Higgs boson h1 is consistent with the small LEP excess at ∼ 98 GeV in e+e− → Zh with h→ bb and the heavier Higgs boson h2 has the primary features of the LHC Higgs-like signals at 125 GeV, including an enhanced γγ rate. Verification or falsification of the 98 GeV h1 may be possible at the LHC during the 14… (More)