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FPAP002 |
Experimental Determination of E-Cloud Simulation Input Parameters for DAFNE
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817 |
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- C. Vaccarezza, R. Cimino
INFN/LNF, Frascati (Roma)
- A. Giglia, N. Mahne
ELETTRA, Basovizza, Trieste
- S. Nannarone
UNIMORE, Modena
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After the first experimental observations compatible with the presence of the electron-cloud effect in the DAFNE positron ring, an experimental campaign has been started to measure realistic parameters to be used in the simulation codes. Here we present a synchrotron radiation experiment on the photon reflectivity from the actual Al vacuum chamber of DAFNE (same material, roughness and surface cleaning as the one used to manufacture the ring) in the same energy range of photons produced by the accelerator itself. The derived experimental parameter has than been included in the e-cloud simulation codes and the obtained results confirm the relevance of the detailed knowledge of the input parameter to obtain reliable e-cloud simulations.
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