Paper |
Title |
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TUPCH087 |
Beam Diagnostics with Schottky Noise in LEIR
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1214 |
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- J. Tan, G. Tranquille
CERN, Geneva
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The high density Lead ion beams, needed for LHC, are obtained in the Low Energy Ion Ring (LEIR) at CERN by multi-turn injection followed by electron cooling and stacking. During this injection and stacking phases where the circulating beam is unbunched, diagnostics with Schottky noise are used for probing essential beam parameters, such as tune, momentum spread, emittance and their evolution with time… The hardware facility and first results obtained during the recent commissioning of LEIR are described.
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TUPLS068 |
LEIR Electron Cooler Status
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1651 |
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- G. Tranquille, V. Prieto, R. Sautier
CERN, Geneva
- A.V. Bubley, V.V. Parkhomchuk
BINP SB RAS, Novosibirsk
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The electron cooler for LEIR is the first of a new generation of coolers being commissioned for fast phase space cooling of ion beams in storage rings. It is a state-of-the-art cooler incorporating all the recent developments in electron cooling technology (adiabatic expansion, electrostatic bend, variable density electron beam
) and is designed to deliver up to 600 mA of electron current for the cooling and stacking of Pb54+ ions in the frame of the ions for LHC project. In this paper we present our experience with the commissioning of the new device as well as the first results of ion beam cooling with a high-intensity variable-density electron beam.
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WEOBPA02 |
LEIR Commissioning
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1876 |
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- C. Carli, P. Beloshitsky, L. Bojtar, M. Chanel, K. Cornelis, B. Dupuy, J. Duran-Lopez, T. Eriksson, S.S. Gilardoni, D. Manglunki, E. Matli, S. Maury, C. Oliveira, S. Pasinelli, J. Pasternak, F. Roncarolo, G. Tranquille
CERN, Geneva
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The Low Energy Ion Ring (LEIR) is a central piece of the injector chain for LHC ion operation, transforming long Linac 3 pulses into high density bunches needed for LHC. LEIR commissioning is scheduled to be completed at the time of the conference. A review of LEIR commissioning highlighting expected and unexpected problems and actions to tackle them will be given.
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Transparencies
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