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1 October 2018 Prospects for improving top-quark mass measurement precision at future e+e- colliders
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Proceedings Volume 10808, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018; 1080840 (2018) https://doi.org/10.1117/12.2501488
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018, 2018, Wilga, Poland
Abstract
The Compact Linear Collider (CLIC) is a concept for a next-generation machine at CERN, colliding electrons and positrons at energies up to several TeV. Higgs boson studies, top-quark physics and searches for Beyond the Standard Model (BSM) phenomena are the three pillars of the CLIC research programme. One of the main goals at the initial CLIC running stage is the measurement of the top-quark mass and width in a scan of the beam energy through the pair production threshold. The baseline running scenario assumes the threshold scan with ten equidistant energy points. We present a study of optimizing the expected precision of the top-quark mass determination from the threshold scan. We used simulated data on top-quark pair production cross section and Monte Carlo methods to find the best set of collision energies to minimize uncertainties on the top-quark mass. Only by testing random configurations we found sets with statistical errors on mass and strong coupling constant over 20% smaller than those obtained for the baseline running scenario.
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Kacper Nowak and Aleksander F. Żarnecki "Prospects for improving top-quark mass measurement precision at future e+e- colliders", Proc. SPIE 10808, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018, 1080840 (1 October 2018); https://doi.org/10.1117/12.2501488
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