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P.45. D. Korotkov, A. Feschenko (Institute for Nuclear Research, Moscow, Russia)

Development of negative hydrogen ion beam diagnostics for INR Linac using laser photo detachment

The H-minus injector construction along with the injection line for the INR Linac is under completion now and the first acceleration of negative ion beam is scheduled for 2007. The noneperturbing beam diagnostics using the laser induced photo detachment effect is being developed. The emittance measurements in the injection line at 400 keV with detection of neutrals downstream of the bending magnet as well as several other detectors for higher energies with detection of the detached electrons are considered. The configuration of the detectors and their parameters are described.

Dmitry Mikhailovich Korotkov: korotkov@inr.ru

P.46. E.A.Gusev, V.V.Oreshonok, O.V.Pirogov, D.P.Sukhanov (Budker Institute of Nuclear Physics, Novosibirsk, Russia)

The RF phase and amplitude monitoring system of the VEPP-5 preinjec- tor

The VEPP-5 500 Mev preinjector has some 2856 MHz power klystrons and others RF devices to drive the accelerating modules. The amplitude and phase control of RF power for the energy doubler device (SLED) and for the preinjector accelerating section is nec- essary. The system of the RF parameters manipulation and of the precision monitoring is created. A description of this system parameters and architectures, of the available diag- nostic tools and of the experimental results is given.

Dmitry Petrovich Sukhanov: Dmitry_S@inp.nsk.su

P.47. S.Korepanov, S.Khodyachykh, M.Krasilnikov, A.Oppelt, V.Paramonov, F.Stephan (DESY, Germany)

Comparison of RF deflecting structures for future beam phase space studies at PITZ

A detailed characterization of the longitudinal and transverse phase space of the electron beam provided by the Photo Injector Test Facility at DESY in Zeuthen (PITZ) is required to optimize the photo injectors for Free-Electron Laser (FEL) applications. By means of the RF deflector the transverse slice emittance and the longitudinal phase space can be analyzed. In this paper we compare two standing wave and one traveling wave deflecting cavities. We present comparisons of beam dynamic simulations of the measurements with these cavities. This work has partly been supported by the European Community, con- tracts RII3-CT-2004-506008 and 011935, and by the 'Impuls- und Vernetzungsfonds' of the Helmholtz Assciation, contract VH-FZ-005.

Dr. Sergey Alexandrovich Korepanov: sergey.korepanov@desy.de


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