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Brightness and Uniformity Measurements of Plastic Scintillator Tiles At The Cern H2 Test Beam

Sirunyan, A. M.; Tumasyan, A.; Chatrchyan, S.; Litomin, A.; Mossolov, V.; Shumeiko, N. (Iop Publishing Ltd, 2018)

We study the light output, light collection efficiency and signal timing of a variety of organic scintillators that are being considered for the upgrade of the hadronic calorimeter of the CMS detector. The experimental ...

Radioactive Source Calibration Test of the Cms Hadron Endcap Calorimeter Test Wedge with Phase I Upgrade Electronics

Chatrchyan, S.; Sirunyan, A. M.; Tumasyan, A.; Litomin, A.; Mossolov, V.; Shumeiko, N.; at al. (Iop Publishing Ltd, 2017)

The Phase I upgrade of the CMS Hadron Endcap Calorimeters consists of new photodetectors (Silicon Photomultipliers in place of Hybrid Photo-Diodes) and front-end electronics. The upgrade will eliminate the noise and the ...