Göttingen 2012 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 10: Elektroschwache Physik (Theorie)
T 10.3: Vortrag
Montag, 27. Februar 2012, 17:15–17:30, VG 3.103
Gauge Boson Pair Production at the Large Hadron Collider — •Anastasia Bierweiler1, Tobias Kasprzik1, Johann Kühn1, and Sandro Uccirati2 — 1Karlsruhe Institute of Technology, Institut für Theoretische Teilchenphysik, Karlsruhe — 2Universität Würzburg, Institut für Theoretische Physik und Astrophysik, Würzburg
Gauge boson pair production is of great phenomenological importance at the Large Hadron Collider. These processes not only constitute an important irreducible background to Higgs and New Physics searches; since the leptonic decay products can be reconstructed well due to their clean signature, pair production of weak bosons moreover provides an excellent opportunity to probe the non-abelian structure of the Standard Model at high energy scales and may give hints to the existence of anomalous trilinear and quartic couplings, which are predicted to have sizable effects at high energies. We present the calculation of the full next-to-leading-order electroweak corrections to W pair production and find good agreement with former results obtained in the Sudakov approximation for sufficiently large transverse momenta.