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Abstracts Brochure - CERN

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THPCH — Poster Session 29-Jun-06 16:00 - 18:00<br />

for thin film deposition inside the RF Gun designed at DESY, is also described and the main results and characteristics<br />

of thin superconducting Pb-films are presented.<br />

Design and Construction of the PEFP Timing System for a 20MeV Proton Beam<br />

The timing system of the PEFP requires synchronization<br />

for the accelerator and for the<br />

multipurpose beam line. The system is based<br />

on an event distribution system that broad-<br />

Y.-G. Song, Y.-S. Cho, H.M. Choi, I.-S. Hong (KAERI) K.M. Ha, J.H.<br />

Kim (PAL)<br />

casts the timing information globally to all the equipment. Fast I/O hardware of the timing system is to distribute<br />

appropriate timing signals to accelerator systems, including the Injector, RFQ, DTL, and user’s facilities. Signals to be<br />

distributed include the synchronized pulse triggers and event information of RF system and switching magnet power<br />

supplies for the 20MeV proton beam extraction.<br />

High Power Cavity Combiner for RF Amplifiers<br />

A new approach of RF power combination<br />

has been developed for the ALBA Storage<br />

Ring RF system: a three-port high power<br />

Cavity Combiner (CaCo). A prototype has<br />

F. Pérez, B. B. Baricevic, D. Einfeld, P. Sanchez (ALBA) J.P. Buge,<br />

M.L. Langlois, G. Peillex-Delphe (TED)<br />

been successfully built and tested in Thales Electron Devices, Thonon, France. The final goal is to combine the power<br />

of two 80 kW IOTs at 500 MHz in order to provide a total output power of 160 kW. In this paper, a summary of<br />

the analytical and simulation analysis of the expected behaviour is given. In basis of that, the decided geometric<br />

constraints and the final design configuration chosen for the prototype production are explained. Low power test<br />

results and matching, and finally the high power test performances, are shown. As a conclusion, the RF system of the<br />

ALBA Storage Ring will incorporate the CaCo concept to obtain the needed power per cavity from the combination<br />

of two IOTs.<br />

Equipment for Tunnel Installation of Main and Insertion LHC Cryo-magnets<br />

The installation of about 1700 superconducting<br />

dipoles and quadrupoles in the Large<br />

Hadron Collider (LHC) is now well underway.<br />

The transport and installation of the<br />

K. Artoos, O. Capatina, T. Feniet, J.L. Grenard, M. Guinchard, K.<br />

Kershaw (<strong>CERN</strong>)<br />

LHC cryo-magnets in the LEP tunnels originally designed for smaller, lighter LEP magnets have required development<br />

of completely new handling solutions. The severe space constraints combined with the long, heavy loads have<br />

meant that solutions had to be very sophisticated. The paper describes the procedure of the installation of the main<br />

cryo-magnets in the arc as well as the more specific insertion cryo-magnets. The logistics for the handling and transport<br />

are monitored with tri-axial acceleration monitoring devices that are installed on each cryo-magnet to ensure<br />

their mechanical and geometric integrity. These dynamic results are commented. The paper includes conclusions<br />

and some lessons learned.<br />

439<br />

THPCH177<br />

THPCH179<br />

THPCH180

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