Hamburg 2016 – scientific programme
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T: Fachverband Teilchenphysik
T 34: Starke Wechselwirkung (Experiment) II
T 34.6: Talk
Monday, February 29, 2016, 18:00–18:15, VMP8 SR 206
Hadron Production in Photon-Photon Processes at the ILC — •Kollassery Swathi Sasikumar1,2, Carl Mikael Berggren1, and Jenny List1 — 1Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg — 2Universität Hamburg, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg
The International linear Collider (ILC) is a proposed e+e− collider, designed to operate at energies from 91 GeV upto about 500 GeV (with the possibility to upgrade to 1 TeV). The highly clean conditions provided by the ILC enables us to make high precision measurements e.g. of the Higgs boson and to search for new particles.
In addition to the desired e+e− collisions, parasitic collisions of real and virtual photons radiated off the e± beams occur at rates of a few γγ collisions per bunch crossing. The γγ centre of mass energies reach from few 100 MeV up to the full e+e− centre of mass energy. For all these energies, in particular the production of hadrons,needs to be modelled correctly in order to estimate the impact of these backgrounds which pile-up on each e+e− event. This contribution discusses the current simulations of γγ→ hadron processes, evaluates their impact on the detector and introduces new methods to remove them from the interesting physics events.