Detection of sleptons at a linear collider in models with small slepton-neutralino mass differences

Details Detection of sleptons at a linear collider in models with small slepton-neutralino mass differences Detection of sleptons at a linear collider in models with small slepton-neutralino mass differences

2004-08-20

arxiv.org/abs/hep-ph/0408226v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 6 figures. Contribution to the ECFA LC Study and the International Conference on Linear Colliders, LCWS04

Scientific paper

A feasibility study is presented to precisely measure the masses of charged sleptons and the lightest neutralino in $e^+e^-\to\smur\smur$ and $e^+e^-\to\stau_1\stau_1$ production. Different mSUGRA scenarios with small slepton-neutralino mass differences of a few GeV are invesigated. The analysis is based on a detailed simulation of the final state lepton energy spectra including background reactions and assuming realistic experimental conditions at the TESLA $e^+e^-$ Linear Collider. Effects on the mass resolutions due to beams colliding head-on or under a crossing angle are discussed.

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