CP3 Lunch - Delphes, a framework for fast simulation of a generic collider experiment - Séverine Ovyn

Wednesday 11 Feb 2009, 13:00 → 13:50 Europe/Brussels

Cycl.06

It is always delicate to know whether theoretical predictions are visible and measurable in a high energy experiment due to the complexity of the related detectors, data acquisition chain and software. I will introduce a new framework, DELPHES, for fast simulation of a general purpose experiment. The simulation includes a tracking system, embedded into a magnetic field, calorimetry and a muon system, and possible very forward detectors arranged along the beamline. The framework is interfaced to standard file formats (e.g. Les Houches Event File) and outputs observable analysis data objects, like missing transverse energy and collections of electrons or jets. The simulation of detector response takes into account the detector resolution, and usual reconstruction algorithms for complex objects, like FastJet. A simplified preselection can also be applied on processed data for trigger emulation. Detection of very forward scattered particles relies on the transport in beamlines with the HECTOR software. Finally, the FROG 2D/3D event display is used for visualisation of the collision final states. An overview of DELPHES is given as well as a few use-cases for illustration.