Theoretical analysis of the frascati data on the single-bremsstrahlung process e+ e- ---> e+ e- gamma
197311 pages
Published in:
- Phys.Rev.D 8 (1973) 3856-3866
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Abstract: (APS)
The angular distributions of the process e+e−→e+e− measured by the Bologna-CERN-Frascati group at the electron-positron colliding-beam facility Adone are analyzed in terms of standard quantum electrodynamics (QED) to order α3 including soft- and hard-photon emission. An analytical expression is given for the cross section of the process e+e−→e+e−γ for hard photons. Detailed numerical results for that specific experimental setup are obtained by a Monte Carlo program. It is found that this bremsstrahlung process is responsible for the noncollinear and noncoplanar events observed at Frascati. Therefore, these data, together with the present calculation, provide a test of QED for this particular physical situation involving high energies and large momentum transfers.- electron positron: colliding beams
- colliding beams: electron positron
- final state
- bremsstrahlung
- radiative correction
- numerical calculations: monte carlo
- quantum electrodynamics: validity test
- interpretation of experiments
- frascati stor
- electron positron --> electron positron photon
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