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Title:Measurement of Chi(3510) and Chi(3555) Production in 190 Gev/c Negative Pion-Beryllium Interactions
Author(s):Lukens, Patrick Thomas
Department / Program:Physics
Discipline:Physics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Physics, Elementary Particles and High Energy
Abstract:Charmonium production in 190 GeV/c (pi)('-)-Be interactions has been observed. The states (chi)(3510) and (chi)(3555)are seen through their radiative decay into J/(psi), and are found to correspond to 0.29 (+OR-) 0.09 of total J/(psi) production for J/(psi)'s with x(,f) > 0.2. The rate of production for the two (chi) states appears as B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.60 (+OR-) 0.35. The fraction of J/(psi)'s produced through (chi) decay appears to rise with higher x(,f). For J/(psi)'s with x(,f) > 0.42, (chi) decay is responsible for 0.345 (+OR-) 0.09 of the total J/(psi) sample, with the two states produced at the rate B(sigma)((chi)(3555)/B(sigma)((chi)(3510) = 0.82 (+OR-) 0.45.
Issue Date:1984
Type:Text
Language:English
Description:168 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984.
URI:http://hdl.handle.net/2142/77373
Other Identifier(s):(UMI)AAI8502227
Date Available in IDEALS:2015-05-13
Date Deposited:1984


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