Production of neutral kaon and lambdas from charged kaon interactions with complex nuclei
Banner, David Lee
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https://hdl.handle.net/2142/16621
Description
Title
Production of neutral kaon and lambdas from charged kaon interactions with complex nuclei
Author(s)
Banner, David Lee
Issue Date
1972
Department of Study
Physics
Discipline
Physics
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
neutral kaons
Language
en
Abstract
"Measurements of the cross sections for the production of neutral kaons with momenta> 400 MeV/c and lambdas with momenta> 700 MeV/c from charged kaon interactions incident at 850 MeV/c on carbon, aluminum, copper, tin, and lead were made at the Argonne National Laboratory Zero-Gradient Synchrotron.
The measurements were made in order to determine which complex nuclear targets produced the best ""beams 19 of neutral kaons, for use in an experiment to observe the decay of neutral K mesons into π+π-
The cross sections are presented, and models for fitting the data, involving Al / 3 - an d A2/ 3 parameterizations, are discussed . The KO and K-O cross sections are fit about equally well with an Al / 3 - and A2/3 -parameterization.
Monte Carlo computer codes were written to see whether the experimental cross sections could be understood on the basis of a simple impulse approximation model. Relative cross sections computed with the Monte Carlo codes agree reasonably well, after experimental cuts were included, with the experimental cross sections for Ko and K-o production. The agreement is not very good for ʌ production, but a possible explanation for the disagreement is discussed.
For a fixed-length target, 7 cm long, copper is found to be best for producing the most intense ""beams"" of neutral kaons and lambdas."
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