The Mark III Vertex Chamber
Description
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.
Physical Description
7 pages
Creation Information
Adler, J.; Bolton, T.; Bunnell, K.; Cassell, R.; Cheu, E.; Freese, T. et al. July 1, 1987.
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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.
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-
California Institute of Technology
Publisher Info: California Inst. of Tech., Pasadena (USA)Place of Publication: Pasadena, California
-
University of California, Santa Cruz
Publisher Info: California Univ., Santa Cruz (USA)Place of Publication: Santa Cruz, California
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Illinois Univ., Urbana (USA)
Place of Publication: United States
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Stanford Linear Accelerator Center
Publisher Info: Stanford Linear Accelerator Center, Menlo Park, CA (USA)Place of Publication: Stanford, California
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Washington Univ., Seattle (USA)
Place of Publication: United States
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Description
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.
Physical Description
7 pages
Notes
NTIS, PC A02; 3.
Subjects
Keywords
- Alkanes
- Argon
- Cosmic Ray Detection
- Design
- Detection
- Dme
- Drift Chambers
- Elements
- Esters
- Ethane
- Ethers
- Fluids
- Gases
- Hydrocarbons
- Materials
- Measuring Instruments
- Multiwire Proportional Chambers
- Mylar
- Nonmetals
- Organic Compounds
- Organic Oxygen Compounds
- Organic Polymers
- Performance Testing
- Petrochemicals
- Petroleum Products
- Plastics
- Polyesters
- Polymers
- Proportional Counters
- Radiation Detection
- Radiation Detectors
- Rare Gases
- Resolution
- Spatial Resolution
- Synthetic Materials
- Testing 440104* -- Radiation Instrumentation-- High Energy Physics Instrumentation
STI Subject Categories
Source
- International Europhysics conference on high energy physics, Uppsala, Sweden, 25 Jun 1987
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- Other: DE87014316
- Report No.: SLAC-PUB-4371
- Report No.: CONF-870632-2
- Grant Number: AC03-76SF00515
- Grant Number: AC03-81ER40050
- Grant Number: AC02-76ER01195
- Office of Scientific & Technical Information Report Number: 6246192
- Archival Resource Key: ark:/67531/metadc1108701
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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.
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Creation Date
- July 1, 1987
Added to The UNT Digital Library
- Feb. 22, 2018, 7:45 p.m.
Description Last Updated
- June 9, 2021, 9:52 a.m.
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Adler, J.; Bolton, T.; Bunnell, K.; Cassell, R.; Cheu, E.; Freese, T. et al. The Mark III Vertex Chamber, article, July 1, 1987; Pasadena, California. (https://digital.library.unt.edu/ark:/67531/metadc1108701/: accessed March 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.