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Abstract
A very compact crystal based shashlik calorimeter is proposed for future HEP experiments in an extreme harsh radiation environment, such as the proposed HL-LHC. Thin crystal plates are used as the sensitive medium to reduce the light path length and thus the radiation damage effects and the calorimeter cost. A design of such a calorimeter uses tungsten as absorber, LYSO crystals as active medium, and liquid scintillator filled quartz capillaries as WLS to transport scintillating light to photodetectors. Initial calorimeter design and performance of prototype modules are presented. Possible optimizations are discussed.
Highlights
A very compact crystal based shashlik calorimeter is proposed for future high energy physics (HEP) experiments in an extreme harsh radiation environment, such as the proposed HL-LHC
In high energy physics (HEP) and nuclear physics (NP) experiments, total absorption electromagnetic calorimeters (ECAL) made of inorganic crystals are well known for their superb energy resolution and detection efficiency for photon and electron measurements [1]
About 10% loss is observed after 3 × 1014 cm-2 proton fluence, indicating that this detector concept provides a very stable calorimeter under severe radiation
Summary
In high energy physics (HEP) and nuclear physics (NP) experiments, total absorption electromagnetic calorimeters (ECAL) made of inorganic crystals are well known for their superb energy resolution and detection efficiency for photon and electron measurements [1]. A very compact crystal based shashlik calorimeter is proposed for future HEP experiments in an extreme harsh radiation environment, such as the proposed HL-LHC.
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