Identity area
Reference code
Heritage collection CERN-OBJ-CERN-OBJ-DE-009
Title
micro strip gas chamber
Date(s)
- 1998 (Creation)
Level of description
Item
Extent and medium
Object
Context area
Repository
Archival history
Immediate source of acquisition or transfer
Content and structure area
Scope and content
About 16 000 Micro Strip Gas Chambers like this one will be used in the CMS tracking detector. They will measure the tracks of charged particles to a hundredth of a millimetre precision in the region near the collision point where the density of particles is very high. Each chamber is filled with a gas mixture of argon and dimethyl ether. Charged particles passing through ionise the gas, knocking out electrons which are collected on the aluminium strips visible under the microscope. Such detectors are being used in radiography. They give higher resolution imaging and reduce the required dose of radiation.
Appraisal, destruction and scheduling
Accruals
System of arrangement
Conditions of access and use area
Conditions governing access
Public
Conditions governing reproduction
Language of material
Script of material
Language and script notes
Physical characteristics and technical requirements
10cm 10cm flat
Finding aids
Allied materials area
Existence and location of originals
On loan, 143.
Existence and location of copies
Related units of description
Notes area
Note
broken
Alternative identifier(s)
CDS number
43841
Object Number
OBJOBJ 0000115