CALICE Si/W electromagnetic Calorimeter
نویسنده
چکیده
The particle flow approach requires calorimeters with ultra-high granularity. The design of the Si/W ECAL has thus been based on this principle. It is composed of 30 layers, each layer having an array of 3 × 3 silicon matrices. These matrices or wafers are divided into 6 × 6 cells with an area of 1 cm. The mechanical structure consists of tungsten plates wrapped in carbon fiber, creating 15 alveolas into which so-called slabs are inserted. These slabs consist of one layer of tungsten between two layers of silicon wafers and their corresponding PCBs. The prototype is divided into three stacks, each consisting of 10 layers but with different thicknesses of the passive layers. The overall thickness is about 20 cm, corresponding to 24 X0. A detailed description of all the technical and comissioning aspects can be found in a dedicated paper [3].
منابع مشابه
CALICE Si/W electromagnetic calorimeter prototype, first testbeam results
A highly granular electromagnetic calorimeter prototype based on tungsten absorber and sampling units equipped with silicon pads as sensitive devices for signal collection is under construction. The full prototype will have in total 30 layers and be read out by about 10000 Si cells of 1 × 1 cm. A first module consisting of 14 layers and depth of 7.2 X0 at normal incidence, having in total 3024 ...
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