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CMS Note | |
Report number | CMS-NOTE-2006-127 |
Title | The CMS Outer Hadron Calorimeter |
Author(s) | Acharya, Bannaje Sripathi ; Aziz, Tariq ; Banerjee, Sunanda ; Banerjee, Sudeshna ; Bawa, Harinder Singh ; Beri, Suman Bala ; Bhandari, Virender ; Bhatnagar, Vipin ; Chendvankar, Sanjay ; Deshpande, Pandurang Vishnu ; Dugad, Shashikant ; Ganguli, Som N ; Guchait, Monoranjan ; Gurtu, Atul ; Kalmani, Suresh Devendrappa ; Kaur, Manjit ; Kohli, Jatinder Mohan ; Krishnaswamy, Marthi Ramaswamy ; Kumar, Arun ; Maity, Manas ; Majumder, Gobinda ; Mazumdar, Kajari ; Mondal, Naba Kumar ; Nagaraj, P ; Narasimham, Vemuri Syamala ; Patil, Mandakini Ravindra ; Reddy, L V ; Satyanarayana, B ; Sharma, Seema ; Singh, B ; Singh, Jas Bir ; Sudhakar, Katta ; Tonwar, Suresh C ; Verma, Piyush |
Submitted by | 15 Jun 2006 |
Subject category | Detectors and Experimental Techniques |
Accelerator/Facility, Experiment | CERN LHC ; CMS |
Free keywords | HCAL |
Abstract | The CMS hadron calorimeter is a sampling calorimeter with brass absorber and plastic scintillator tiles with wavelength shifting fibres for carrying the light to the readout device. The barrel hadron calorimeter is complemented with a outer calorimeter to ensure high energy shower containment in CMS and thus working as a tail catcher. Fabrication, testing and calibrations of the outer hadron calorimeter are carried out keeping in mind its importance in the energy measurement of jets in view of linearity and resolution. It will provide a net improvement in missing $\et$ measurements at LHC energies. The outer hadron calorimeter has a very good signal to background ratio even for a minimum ionising particle and can hence be used in coincidence with the Resistive Plate Chambers of the CMS detector for the muon trigger. |
Copyright/License | Preprint: (License: CC-BY-4.0) |