2008•Unpublished venueRequires access

SILICON SENSORS FOR THE COMPACT MUON SOLENOID EXPERIMENT AT THE LARGE HADRON COLLIDER, CERN

Anita Topkar, Seepana Praveenkumar, Bharti Aggarwal

Abstract

A specific research and development programme was undertaken by BARC, to develop the technology for 32-strip silicon sensors, for the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC), CERN. These sensors will be used as Preshower sensors in the Electromagnetic Calorimeter of CMS for π/γ rejection and will cover an area of ~40,000 cm in the CMS. Developing silicon sensors with very stringent electrical specifications and uniformity over a large area of ~ 40 cm has been a challenging task, as such technology did not exist in our country. This R&D has been carried out in various phases such as prototype development, preproduction and production. Figs.1, 2 and 3 show wafers fabricated during various phases ofthis project.

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Key concepts: Compact Muon Solenoid, Large Hadron Collider, Physics, Calorimeter (particle physics), Nuclear physics, Muon collider, Muon, Collider