Published October 1980 | Version v1
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Two photon processes at PETRA

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Description

The analysis of two photon physics at the e+e- storage ring PETRA is reviewed. Higher order QED processes e+e- → e+e-e+e-(e+e-μ+μ-) have been measured in good agreement with the QED calculations. The production of the f0 resonance has been investigated and the radiative width has been determined. The total cross section sigma(Q2,W) of the inelastic electron photon scattering has been studied in some detail. Evidence for the production of large Psub(T) jets in the reaction γγ → qanti q is reported and a first measurement of the photon structure function in deep inelastic eγ scattering is discussed. (orig.)

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Additional details

Publishing Information

Imprint Pagination
10 p.
Report number
DESY--80-102

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
12606461
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Resource subtype / Literary indicator
Progress Report
Descriptors DEI
PHOTON-PHOTON INTERACTIONS; REVIEWS
Descriptors DEC
BASIC INTERACTIONS; DOCUMENT TYPES; ELECTROMAGNETIC INTERACTIONS; INTERACTIONS; PARTICLE INTERACTIONS