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Micromegas for Imaging Calorimetry
Chefdeville M.
in CALOR 2012 - XVth International Conference on Calorimetry in High Energy Physics CALOR 2012, Santa Fe : United States (2012) - http://hal.in2p3.fr/in2p3-00748574
Physique/Physique/Instrumentations et Détecteurs
Micromegas for Imaging Calorimetry
M. Chefdeville1
1 :  LAPP - Laboratoire d'Annecy le Vieux de Physique des Particules
http://wwwlapp.in2p3.fr/
CNRS : UMR5814 – IN2P3 – Université de Savoie
9 Chemin de Bellevue - BP 110 - 74941 Annecy-le-Vieux CEDEX - France
France
Two Micromegas chambers of 1 m2 size and 1 cm2 cell segmentation have recently been built. Designed for Particle-Flow hadron calorimetry, each chamber features ten thousand channels with embedded front-end electronics and three readout thresholds (concept of semi-digital hadron calorimeter or SDHCAL). The chambers have been tested in a muon beam and also exposed to hadron showers inside a steel structure. Excellent performance such as low noise, high efficiency and very uniform spatial response have been measured and will be reported. The measurements will be confronted to the predictions of a Monte Carlo simulation for which a complete digitisation procedure has been established. Finally, prospects towards the use of a Micromegas SDHCAL at a future linear collider will be discussed based on the scalability of current prototypes to larger sizes and on the expected energy resolution and linearity of such a device.
ILC

Communications avec actes
2012
08/06/2012
CALOR 2012
internationale
à paraître

XVth International Conference on Calorimetry in High Energy Physics CALOR 2012
Santa Fe
États-Unis
04/06/2012
08/06/2012
M. Chefdeville

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