Thorsten Ohl

Testing the noncommutative standard model at a future photon collider

Extensions of the Standard Model of elementary particle physics to noncommutative geometries have been proposed as a low-energy limit of string models. Independent of this motivation, one may consider such a model as an effective field theory with higher-dimensional operators containing an antisymmetric rank-two background field. We study the signals of such a Noncommutative Standard Model (NCSM) and analyze the discovery potential of a future photon collider, considering angular distributions in fermion pair production.

Probing the noncommutative standard model at hadron colliders

We study collider signals for the noncommutative extension of the standard model using the Seiberg-Witten maps for

Radiative rare B decays into higher K-resonances

\mathrm{SU}(3{)}_{C}\ensuremath{\bigotimes}\mathrm{SU}(2{)}_{L}\ensuremath{\bigotimes}\mathrm{U}(1{)}_{Y}

The Noncommutative Standard Model at O(theta**2)

to first order in the noncommutativity parameters

UNIBAB, version 2.0: Monte Carlo event generation for large angle Bhabha scattering at LEP

{\ensuremath{\theta}}_{\ensuremath{\mu}\ensuremath{\nu}}

High-energy vector boson scattering after the Higgs boson discovery

. In particular, we investigate the sensitivity of

Drawing Feynman diagrams with Latex and Metafont

Z\ensuremath{\gamma}

Anomalous Top Couplings at Hadron Colliders Revisited

-production at the Tevatron and the LHC to the components of

Unitarity, Becchi-Rouet-Stora-Tyutin symmetry, and Ward identities in orbifold gauge theories

{\ensuremath{\theta}}_{\ensuremath{\mu}\ensuremath{\nu}}

Resonances at the LHC beyond the Higgs boson: The scalar/tensor case

. We discuss the range of validity of this approximation and estimate exclusion limits from a Monte Carlo simulation.