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Photoproduction of pi° mesons from He3 with 340 MeV bremsstrahlung

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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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