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Testbeam performance of a shashlik calorimeter with fine-grained longitudinal segmentation

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arxiv 1801.06167 v1 pith:QLXAOKGX submitted 2018-01-18 physics.ins-det hep-ex

Testbeam performance of a shashlik calorimeter with fine-grained longitudinal segmentation

classification physics.ins-det hep-ex
keywords longitudinalperformancesegmentationcalorimeterdetectorfine-grainedshashliksystem
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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An iron- plastic-scintillator shashlik calorimeter with a 4.3 $X_0$ longitudinal segmentation was tested in November 2016 at the CERN East Area facility with charged particles up to 5 GeV. The performance of this detector in terms of electron energy resolution, linearity, response to muons and hadron showers are presented in this paper and compared with simulation. Such a fine-grained longitudinal segmentation is achieved using a very compact light readout system developed by the SCENTT and ENUBET Collaborations, which is based on fiber-SiPM coupling boards embedded in the bulk of the detector. We demonstrate that this system fulfills the requirements for neutrino physics applications and discuss performance and additional improvements.

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