The electromagnetic calorimeter of the AMS-02 experiment

M. Vecchi , L. Basara (1) , G. Bigongiari , F. Cervelli , G. Chen , G. M. Chen , H. S. Chen , G. Coignet (1) , S. Di Falco , S. Elles (1) , A. Fiasson (1) , D. Fougeron (1) , G. Gallucci , C. Goy (1) , M. Incagli , R. Kossakowki (1) , V. Lepareur (1) , Z. H. Li , M. Maire (1) , M. Paniccia (1) , F. Pilo , S. Rosier-Lees (1) , X. W. Tang , C. Vannini , J. P. Vialle (1) , H. L. Zhuang

1 LAPP - Laboratoire d'Annecy de Physique des Particules

The electromagnetic calorimeter (ECAL) of the AMS-02 experiment is a 3-dimensional sampling calorimeter, made of lead and scintillating fibers. The detector allows for a high granularity, with 18 samplings in the longitudinal direction, and 72 sampling in the lateral direction. The ECAL primary goal is to measure the energy of cosmic rays up to few TeV, however, thanks to the fine grained structure, it can also provide the separation of positrons from protons, in the GeV to TeV region. A direct measurement of high energy photons with accurate energy and direction determination can also be provided.

Domaines: Phénomènes cosmiques de haute energie [astro-ph.HE]; Phénomènes cosmiques de haute energie [astro-ph.HE]; Instrumentation et méthodes pour l'astrophysique [astro-ph.IM]; Instrumentation et méthodes pour l'astrophysique [astro-ph.IM]; Physique des Hautes Energies - Expérience [hep-ex]; Instrumentations et Détecteurs [physics.ins-det]

M. Vecchi, L. Basara, G. Bigongiari, F. Cervelli, G. Chen, et al.. The electromagnetic calorimeter of the AMS-02 experiment. Semaine de l'Astrophysique Francaise (SF2A 2012), Jun 2012, Nice, France. ⟨in2p3-00745677⟩