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Development of an influence drift chamber for the measurement of associated strangeness production; Entwicklung einer Influenzdriftkammer zur Messung assoziierter Strangenessproduktion

Thesis/Dissertation:

Abstract

The PS185 experiment at the LEAR in the CERN, Geneve deals with the production of the lightest hyperons and mesons at their production threshold. Especially the anti {Lambda}{Lambda} channel and its observables were measured. Contrarily the present thesis picks up the reaction (anti pp{yields}anti {Lambda}{Lambda}{pi}{sup 0}) and shows for this three-particle final-state the total cross section at six different anti p momenta in the region of 1.9 GeV/c, which were obtained via missing-mass analyses and a kinetmatical fit. For the extension of the experiment to the measurement of the charged {Sigma}`s an influence drift chamber (IDC) was constructed, fabricated, and taken into operation, which satisfies the requirements concerning high position resolution, high counting-rate capability, and low mass-deposition. Test measurements have shown that the IDC fulfils with a counting rate of 10{sup -}7anti p/mm{sup 2}s at a position resolution of {sigma}=35 {mu}m+3 {mu}m/1deg with a mass deposition of 0.067% per chamber plane the experimental requirements. For the data acquisition a fast acquisition system (0.9 ms/event+0.6 ms/kByte) for the IDC was developed, installed, programmed, and tested. (orig.). [Deutsch] Das PS185 Experiment am LEAR im CERN, Genf beschaeftigt sich mit der Erzeugung der leichtesten Hyperonen und Mesonen an ihrer Produktionsschwelle. Insbesondere wurde der  More>>
Authors:
Publication Date:
Jul 01, 1992
Product Type:
Thesis/Dissertation
Report Number:
Juel-2645
Reference Number:
SCA: 440104; PA: DEN-93:000908; SN: 93000924964
Resource Relation:
Other Information: TH: Diss.; PBD: Jul 1992
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; DRIFT CHAMBERS; CHARGED PARTICLE DETECTION; CERN LEAR; ANNIHILATION; GEV RANGE 01-10; PAIR PRODUCTION; PROTON-ANTIPROTON INTERACTIONS; ANTILAMBDA PARTICLES; ANTISIGMA PARTICLES; PIONS NEUTRAL; COUNTING RATES; SPATIAL RESOLUTION; DATA ACQUISITION SYSTEMS; INTEGRAL CROSS SECTIONS; WEAK HADRONIC DECAY; PARTICLE TRACKS; 440104; HIGH ENERGY PHYSICS INSTRUMENTATION
OSTI ID:
10116589
Research Organizations:
Forschungszentrum Juelich GmbH (Germany). Inst. fuer Kernphysik; Bonn Univ. (Germany)
Country of Origin:
Germany
Language:
German
Other Identifying Numbers:
Other: ON: DE93758627; TRN: DE9300908
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
DEN
Size:
129 p.
Announcement Date:
Jun 30, 2005

Thesis/Dissertation:

Citation Formats

Decker, G. Development of an influence drift chamber for the measurement of associated strangeness production; Entwicklung einer Influenzdriftkammer zur Messung assoziierter Strangenessproduktion. Germany: N. p., 1992. Web.
Decker, G. Development of an influence drift chamber for the measurement of associated strangeness production; Entwicklung einer Influenzdriftkammer zur Messung assoziierter Strangenessproduktion. Germany.
Decker, G. 1992. "Development of an influence drift chamber for the measurement of associated strangeness production; Entwicklung einer Influenzdriftkammer zur Messung assoziierter Strangenessproduktion." Germany.
@misc{etde_10116589,
title = {Development of an influence drift chamber for the measurement of associated strangeness production; Entwicklung einer Influenzdriftkammer zur Messung assoziierter Strangenessproduktion}
author = {Decker, G}
abstractNote = {The PS185 experiment at the LEAR in the CERN, Geneve deals with the production of the lightest hyperons and mesons at their production threshold. Especially the anti {Lambda}{Lambda} channel and its observables were measured. Contrarily the present thesis picks up the reaction (anti pp{yields}anti {Lambda}{Lambda}{pi}{sup 0}) and shows for this three-particle final-state the total cross section at six different anti p momenta in the region of 1.9 GeV/c, which were obtained via missing-mass analyses and a kinetmatical fit. For the extension of the experiment to the measurement of the charged {Sigma}`s an influence drift chamber (IDC) was constructed, fabricated, and taken into operation, which satisfies the requirements concerning high position resolution, high counting-rate capability, and low mass-deposition. Test measurements have shown that the IDC fulfils with a counting rate of 10{sup -}7anti p/mm{sup 2}s at a position resolution of {sigma}=35 {mu}m+3 {mu}m/1deg with a mass deposition of 0.067% per chamber plane the experimental requirements. For the data acquisition a fast acquisition system (0.9 ms/event+0.6 ms/kByte) for the IDC was developed, installed, programmed, and tested. (orig.). [Deutsch] Das PS185 Experiment am LEAR im CERN, Genf beschaeftigt sich mit der Erzeugung der leichtesten Hyperonen und Mesonen an ihrer Produktionsschwelle. Insbesondere wurde der anti {Lambda}{Lambda} Kanal und seine Observablen ausgemessen. Dagegen greift die vorliegende Arbeit die Reaktion (anti pp{yields}anti {Lambda}{Lambda}{pi}{sup 0}) auf und zeigt fuer diesen Dreiteilchen Endzustand den totalen Wirkungsquerschnitt bei sechs verschiedenen anti p-Impulsen im Bereich von 1,9 GeV/c, die ueber Missing Mass Analysen und einen kinematischen Fit gewonnen wurden. Fuer die Erweiterung des Experimentes zur Messung der geladenen {Sigma}`s wurde eine Influenzdriftkammer (IDC) konstruiert, gefertigt und in Betrieb genommen, die den Anspruechen bzgl. hoher Ortsaufloesung, hoher Ratenvertraeglichkeit und geringer Massenbelegung gerecht wird. Testmessungen haben gezeigt, dass die IDC mit einer Zaehlrate von 10{sup 7} anti p/mm{sup 2}s bei einer Ortsaufloesung von {sigma}=35 {mu}m+3 {mu}m/1deg mit einer Massenbelgung von 0,067% pro Kammerebene die experimentellen Anforderungen erfuellt. Zur Datenerfassung wurde ein schnelles Aufnahmesystem (0,9 m{sub s}/Ereignis+0,6 ms/kByte) fuer die IDC entwickelt, installiert, programmiert und getestet. (orig.).}
place = {Germany}
year = {1992}
month = {Jul}
}