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Measurement and analysis of the reactionγγ→3π +3π -

Pust, R. and Finch, Alexander (1991) Measurement and analysis of the reactionγγ→3π +3π -. Zeitschrift für Physik C Particles and Fields, 51 (4). pp. 531-540. ISSN 0170-9739

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The reactionγγ→3π +3π - has been studied usig the JADE detector at PETRA. The topological cross sectionσ(γγ→3π +3π -) was measured in the CM energy range 1.5–5.5 GeV. The production ofρ 0,s was observed and the average number ofρ 0,s per event measured. The contributions of the subprocessesγγ→ρ 02π +2π -,γγ→ρ 0 ρ 0 π +2π - andγγ→ 3π +3π - (phase space) were studied and 95% C.L. upper limits for the cross sectionσ(γγ→ρ 0 ρ 0 π + π - determined. Finally the Bose-Einstein correlation for pairs of like signed pions was observed. A fit to a standard parametrization gave results consistent with other studies of this effect in pion systems.

Item Type: Journal Article
Journal or Publication Title: Zeitschrift für Physik C Particles and Fields
Departments: Faculty of Science and Technology > Physics
ID Code: 63798
Deposited By: ep_importer_pure
Deposited On: 02 May 2013 16:44
Refereed?: Yes
Published?: Published
Last Modified: 11 Apr 2018 00:59
Identification Number:

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