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Title:Photoproduction of pi° mesons from He3 with 340 MeV bremsstrahlung
Author(s):Blecher, Marvin
Doctoral Committee Chair(s):Hanson, A. O.
Department / Program:Physics
Discipline:Physics
Degree:Ph.D.
Genre:Dissertation
Subject(s):photoproduction
pi mesons
bremsstrahlung
coherent photoproduction
recoil angles
Abstract:Cross sections for the coherent photoproduction of 71"0 mesons from He3(gammaHe3 -> pi°He 3) were measured for recoil angles of 200, 300, 400, and 500 from the direction of the incident photon. A gaseous He3 target was irradiated by 340 MeV bremsstrahlung; provided by the 'University of Illinois betatron. The He3 gas was maintained at liquid hydrogen temperature and at a pressure of slightly above one atmosphere. The recoil nuclei were observed with silicon semiconductor detectors. At least one gamma ray from the pion decay was detected with a lead glass Cherenkov counter. A coincidence between a semiconductor detector and the Cherenkov counter triggered an oscilloscope on which all pulses were then displayed and photographed. These photographs constitute the experimental data.
Issue Date:1968
Genre:Dissertation / Thesis
Type:Text
Language:English
URI:http://hdl.handle.net/2142/25723
Rights Information:1968 Marvin Blecher
Date Available in IDEALS:2011-07-08
Identifier in Online Catalog:6082649


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