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Communication Dans Un Congrès Année : 2016

Separation of two overlapping electromagnetic or electromagnetic — hadronic showers in CALICE highly granular physical calorimeter prototype

Résumé

CALICE collaboration is developing highly granular calorimeters for future high energy e+e- colliders. Using Particle Flow Algorithms for individual reconstruction of particles in the jets, they provide currently the best jet energy resolution. At high jet energies (typically above 70-100GeV in the proposed detectors), the jet particle showers start to overlap, and the resolution is determined by the ability to separate them. Here, we present results on the separation power of: 1) two overlapping electromagnetic showers with CALICE physics prototype of silicon-tungsten electromagnetic calorimeter (SiW ECAL); 2) electromagnetic-hadronic showers with physics prototypes of SiW ECAL and analog scintillator-iron hadronic calorimeter (AHCAL). We use three available reconstruction programs and compare the results with a Monte Carlo simulation.
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Dates et versions

hal-03450066 , version 1 (25-11-2021)

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Kostiantyn Shpak. Separation of two overlapping electromagnetic or electromagnetic — hadronic showers in CALICE highly granular physical calorimeter prototype. 2016 IEEE Nuclear Science Symposium and Medical Imaging Conference, Oct 2016, Strasbourg, France. pp.8069749, ⟨10.1109/NSSMIC.2016.8069749⟩. ⟨hal-03450066⟩
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