Cross sections for pi+, pi-, K+, and K- mesons on complex nuclei
Hassenzahl, William Verne
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https://hdl.handle.net/2142/25714
Description
Title
Cross sections for pi+, pi-, K+, and K- mesons on complex nuclei
Author(s)
Hassenzahl, William Verne
Issue Date
1967
Doctoral Committee Chair(s)
Wattenberg, A.
Department of Study
Physics
Discipline
Physics
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
mesons
complex nuclei
absorption
diffraction
zero gradient synchrotron
Language
en
Abstract
A measurement of the absorption and diffraction cross sections
of 3.5 Gev/c 7r and K mesons on beryllium, carbon, aluminum, copper
and lead was made at the Zero Gradient Synchrotron at Argonne
National Lab.
A set of circular scintillation counters measured transmission
as a function of angle for each element. Cross sections were then
calculated from the observed transmissions.
Absorption and diffraction cross sections are given for
3.5 GeVlc pi+ pi- K+ and K- on beryllium, carbon and aluminum, for
pi+, pi- and K+ for copper, and for pi+ and pi- on lead. The diffraction
cross sections are found to be larger than the values predicted
by optical model calculations. This is discussed in terms of the
relative magnitudes of the real and imaginary parts of the nuclear
potential.
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