The SPARC project [1] consists in a 150MeV Linac aimed at driving an ondulator for the production of 530nm. SASE FEL radiation. A bunch transverse ...
This pattern is repeated in every MI revolution period. This barrier RF system works in burst mode. In other words, it generates a burst of pulses for a short period.
RF GUN: MANUFACTURING AND PROOF OF. PRECISION BY FIELD PROFILE MEASUREMENTS. Urs Ellenberger, Heinrich Blumer, Markus Bopp, ...
zero after a careful setting of the thyratron parameters. Main coupler blower glitches are still an issue under investigation. From the graph below we can see long ...
in a dedicated hutch outside). The valve-box, which lies on the ring inner wall, ensures the He distribution between the cold-box and the cryomodule. On one ...
RF system models for the CERN Large Hadron Collider with application to longitudinal dynamicsâ. T. Mastorides,â C. Rivetta,â¡ and J.D. Fox, D. Van Winkle.
30 Ω of output impedance over the frequency range of 2.7. – 6.2 MHz. Precise
control of the second harmonic voltage can then be realized without considering
...
III. FORMALISM FOR BUNCH LENGTH. ESTIMATION. During a long store, the bunch energy spread and lon- gitudinal emittance shrink due to the small ...
The booster synchrotron of the 2.5 GeV synchrotron light source ANKA, under construction at FZK,. Karlsruhe, will ramp the energy of a 10 mA beam from.
frequency of the cavity is varied. 6- by changing a capacitance between two inner conductors or by impressing the biasing magnetic field in the ferrite cores. The.
slice emittance measurements of the SPARC 150MeV â. 1nC electron beam, foresee the use of a RF deflector. The device is a five cells standing wave structure ...
injected beams from the Booster can be continuously deflected, folded and stacked in the Main Injector, which leads to doubling of the beam intensity.
Ng and D. Wildman, Fermilab, Batavia, Illinois, USA. Abstract. Two barrier RF systems were fabricated, tested and installed in the Fermilab Main Injector.
KEK, Tsukuba, Ibaraki, Japan. Abstract ... November 2006 then the 181-MeV acceleration was succeeded. ... stabilization of cavity field, a digital feedback (FB) &.
unwanted particles according to their velocities. The enhanced signal to ... Proceedings of 2005 Particle Accelerator Conference, Knoxville, Tennessee.
Abstract. The accelerator system for the 1 to 5 MW National Spal- lation Neutron Source (NSNS) consists of a linac followed by a 1 GeV proton accumulator ring.
Abstract. Fabricational techniques for very high frequency structures require planar geometries. Typical devices are ladder or muffin-tin structures which are both ...
Class 10 in the Class 100 room and around Class 100 in the Class 10,000 room .... phase-locked center frequency of the cavity was found to oscillate with a total ...
particle accelerators for high energy physics and nuclear physics. A key component .... frequency (see for example [4] and [5] for the KEK-B and PEP-II B-factory rings ). .... feedback loop, which consists of a digital comb-filter and one-turn delay
circular machine cannot be changed by a radio-frequency ®eld. The proof ... dynamics for the simple case of a cavity operating in a dipole (de- ... The effect of such cavities in linear accelerators and proton ... First we calculate the energy gain
WE1PBC04. Proceedings of PAC09, Vancouver, BC, Canada. 1812. Beam Dynamics and Electromagnetic Fields. D04 - Instabilities - Processes, Impedances, ...
Java-based Software Interlock System (SIS) was ... interlocks system the connections between client systems .... code related to subscription management.
quency to determine the optimum rf amplifier output power, gain ... of microwave amplifiers. The primary ..... ference on Microwave and Optical Generation and.
M. Desmons, A. France, Y. Le Noa, J. Novo, O. Piquet, CEA, Gif-sur-Yvette, France. Abstract ... In particular, an original solution was to adopt brazed vacuum ports ... Table 1: Key Dates of the Construction of RFQ Module T1. Status. Date.
impressing the biasing magnetic field in the ferrite cores. The two-turn bus bars are folded around the ferrite rings. The RF power is fed to the cavity by a 5 kW RF.