The Mark III vertex chamber
Conference
·
OSTI ID:6246192
The design and construction of the new Mark III vertex chamber is described. Initial tests with cosmic rays prove the ability of track reconstruction and yield triplet resolutions below 50 ..mu..m at 3 atm using argon/ethane (50:50). Also performed are studies using a prototype of a pressurized wire vertex chamber with 8 mm diameter straw geometry. Spatial resolution of 35mm was obtained using dimethyl ether (DME) at 1 atm and 30 ..mu..m using argon/ethane (50/50 mixture) at 4 atm. Preliminary studies indicate the DME to adversely affect such materials as aluminized Mylar and Delrin.
- Research Organization:
- California Inst. of Tech., Pasadena (USA); California Univ., Santa Cruz (USA); Illinois Univ., Urbana (USA); Stanford Linear Accelerator Center, Menlo Park, CA (USA); Washington Univ., Seattle (USA)
- DOE Contract Number:
- AC03-76SF00515; AC03-81ER40050; AC02-76ER01195
- OSTI ID:
- 6246192
- Report Number(s):
- SLAC-PUB-4371; CONF-870632-2; ON: DE87014316
- Resource Relation:
- Conference: International Europhysics conference on high energy physics, Uppsala, Sweden, 25 Jun 1987; Other Information: Paper copy only, copy does not permit microfiche production. Original copy available until stock is exhausted
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
DRIFT CHAMBERS
DESIGN
PERFORMANCE TESTING
ARGON
COSMIC RAY DETECTION
DME
ETHANE
MYLAR
SPATIAL RESOLUTION
ALKANES
DETECTION
ELEMENTS
ESTERS
ETHERS
FLUIDS
GASES
HYDROCARBONS
MATERIALS
MEASURING INSTRUMENTS
MULTIWIRE PROPORTIONAL CHAMBERS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYESTERS
POLYMERS
PROPORTIONAL COUNTERS
RADIATION DETECTION
RADIATION DETECTORS
RARE GASES
RESOLUTION
SYNTHETIC MATERIALS
TESTING
440104* - Radiation Instrumentation- High Energy Physics Instrumentation
DRIFT CHAMBERS
DESIGN
PERFORMANCE TESTING
ARGON
COSMIC RAY DETECTION
DME
ETHANE
MYLAR
SPATIAL RESOLUTION
ALKANES
DETECTION
ELEMENTS
ESTERS
ETHERS
FLUIDS
GASES
HYDROCARBONS
MATERIALS
MEASURING INSTRUMENTS
MULTIWIRE PROPORTIONAL CHAMBERS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYESTERS
POLYMERS
PROPORTIONAL COUNTERS
RADIATION DETECTION
RADIATION DETECTORS
RARE GASES
RESOLUTION
SYNTHETIC MATERIALS
TESTING
440104* - Radiation Instrumentation- High Energy Physics Instrumentation