A Scan of the Cross Section of the Reaction (Antiproton + Proton Going to Antilambda + Sigma-0 and Charge Conjugate) From Threshold to 2.5 MeV Excess Energy
Bunker, Brian Douglas
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https://hdl.handle.net/2142/80658
Description
Title
A Scan of the Cross Section of the Reaction (Antiproton + Proton Going to Antilambda + Sigma-0 and Charge Conjugate) From Threshold to 2.5 MeV Excess Energy
Author(s)
Bunker, Brian Douglas
Issue Date
1998
Doctoral Committee Chair(s)
Hertzog, David W.
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Nuclear
Language
eng
Abstract
The total cross section of the reaction pp→LS0+c. c. at ten momentum values within 2.5 MeV of threshold was measured using the Low Energy Antiproton Ring (LEAR) at CERN. The cross section was normalized against the similar reaction pp→LL and a novel background estimation using below-threshold data was performed. Because of these techniques, the results are insensitive to the detector acceptance, and are essentially free of systematic errors, provided they are kept as a ratio to the cross section of pp→LL at the same incident antiproton momentum. The differential cross section could not be measured reliably, due to the proximity to threshold.
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