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TUYAA01 |
High Currents Effects in DAΦNE |
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- C. Milardi, D. Alesini, A. Drago, A. Gallo, A. Ghigo, S. Guiducci, M. Serio, A. Stella, M. Zobov
INFN/LNF, Frascati, Italy
- P. Raimondi
ESRF, Grenoble, France
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DAΦNE, the Italian lepton collider, operates routinely with high intensity electron and positron colliding beams. The high current multi-bunch beams are stored in two independent rings, each of them 97 m long, and are distributed in 100 ’ 110 contiguous buckets out of the 120 available, spaced by only 2.7 ns. Since its construction, DAΦNE has been operated in different configurations which, overall, allowed to store current up to 1.4 A and 2.45 A in the positron and in the electron beam respectively. Still today DAΦNE holds the record for the highest electron beam current ever stored in particle factories and modern synchrotron radiation sources. The DAΦNE experience in terms of beam dynamics optimization aimed at achieving the high intensity beams is presented, with special emphasis on the e-cloud related issues, which represent the dominant effect limiting the positron beam current.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-eeFACT2018-TUYAA01
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About • |
paper received ※ 24 October 2018 paper accepted ※ 19 February 2019 issue date ※ 21 April 2019 |
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