Berlin 2005 – wissenschaftliches Programm
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T: Teilchenphysik
T 605: Neue Ph
änomene I
T 605.10: Vortrag
Dienstag, 8. März 2005, 18:45–19:00, TU H2033
Mass Determination of Scalar Top Quarks at a Future e+e− Linear Collider — •André Sopczak1, Hanna Nowak2, and Alex Finch1 — 1Lancaster University — 2DESY Zeuthen
Four methods for the determination of the scalar top mass at a future e+ e− collider are compared. The simulation is based on a fast and realistic simulation of a TESLA detector which includes a CCD vertex detector. The importance of the vertex detector performance for c-quark tagging in scalar top quark decays is discussed in the framework of the Linear Collider Flavour Identification (LCFI) collaboration which studies CCD detectors for quark flavour identification. The quality of the c-quark tagging in the scalar top benchmark reaction depends on the detector design. The effect of the variation of the material thickness of the detector layers, and the number of sensitive layers has been considered.