The muon cooling cavity for the Muon Collider operates under strong external magnetic fields. ... It has been observed that the external magnetic field can ...
Stripping Foil, Residual Gas Ionisation, Loss Induced, Multipacting, (SR) ... Foil support and exchange, material. Apertures, realistic layout of injection region ...
Photoelectron cloud in various magnetic fields. Remedies to clear the e-cloud. Summary ... Furman, Mauro Pivi, K. Ohmi, F. Zimmermann and G. Rumolo, L. Wang ...
Accelerator Prototyping Through Multi-physics Analysis Volkan Akcelik, Lie-Quan Lee, Ernesto Prudencio, Cho Ng, Zenghai Li, Kwok Ko Advanced Computations Department
Operating conditions determine the final SEY. No advantage to go to higher Nb than the operational one ... above nominal is for the time being out of range and ...
High voltage DC Beam steering Beam focusing Reaction product guiding (e-) High voltage barriers AC Acceleration Bunching Electric rigidity High voltage devices Power ...
What did we learn from TTF1 FEL? CSR effects (measured behind spectr. dipole) Long. bunch profile measured . average and simulated energy TraFiC4 simulation
INVESTIGATION OF NON-EVAPORABLE GETTER FILMS O. B. Malyshev, K.J. Middleman, A. Hannah and S. Patel ASTeC Vacuum Science Group, STFC Daresbury Laboratory, UK
pros and cons of 75-ns period of operation. Gianluigi Arduini, Frank Zimmermann ... pros of 75 ns vs. 25 ns operation. reduced long-range beam-beam effect, scaling as ...
... charge effects at the cathode. transmission difficult due to new ... Indication of contribution of secondary emission to the dark current of Cs2Te Cathode. ...
... FOR PHOTONIC CRYSTAL FIBER* Cho-Kuen Ng, Lie-Quan Lee, Greg Schussman, SLAC. Parallel FE EM Code Suite ... Work supported by .US Department of Energy under ...
Develop large scale cavity fabrication methods. Need 600 cells ... This will test variability in film properties. Could re-coat with Krypton. Niobium sputtering ...
Humberto Maury Cuna. European Organization for Nuclear Research. CINVESTAV Campus M rida. Electron Cloud Effects in the LHC. Dr. Frank Zimmermann. Supervisor: ...
1. A TITANIUM NITRIDE COATING. TESTED IN PASSIVE ... Titanium Nitride (TiN) is the ... were deposited by evaporation of Titanium with a 'Varian e-gun' in ...
in the New Inner Triplet. V. Baglin. CERN AT-VAC, ... Critical current : ... Gas condensates onto a LHC type cryogenic vacuum system subjected to electron cloud. ...
Orbit Stabilization at the Large Hadron Collider (LHC) J. Wenninger CERN Accelerators and Beams Department Beam Operation Group Introduction to the LHC
Evolution of PSR instability, beam current, stripline difference signal, ... Azimuth is the evolution variable. True lattice should yield very similar results. ...
RF heating observed at HOM coupler. 3D simulations showed MP ... imperfections; Cavity imperfection is studied to. identify critical dimensions affecting Qe. ...
... 2: LOM mode may shift to one side due to asymmetry, may result in ... achieved using coaxial-beampipe to coax LOM/SOM couplers, Qext of high R/Q modes below 100 ...
Muon-based neutrino source. Acceleration starts after cooling. Fast ... Commission Auger surface analysis system to further characterize Nb sputtered surfaces ...
vrije Universiteit amsterdam CERN, November 27, ... Anneal CuBe, deform, harden at 400o C ... Labour intensive: press, anneal, etc. welding 250 m Al is possible ...
study predicted solenoid resonance at PEP-II. analyze pieces of PEP-II/KEKB chamber to ... solenoid, after 7 years of PEP-II operation!? w/o solenoid. with ...
Ultrasonic Cleaning Test at ... unit area is nearly independent of the ultrasonic power level when varied ... a VZM-200 Digital Video Measurement System and rendered ...
Title: Pergine-Presentation Subject: Relativity Author: Francesco Ruggiero Last modified by: Francesco Ruggiero Created Date: 4/20/2003 3:16:16 PM Document ...
for the HOM Damped Cavity Collaboration. BESSY, Daresbury Lab, DELTA, MaxLab, NTHU ... A HOM damped prototype cavity has been built and tested under low and high power ...
Made with solid, pure niobium it has the highest Critical Temperature (Tc ... a 120 kV, 130 A version with a bouncer to be delivered to SLAC at the end of 2006 ...
... steel conflat flanges with copper gaskets are used due to its ... The rectangular conflat flanges with copper gasket have been connected in situ. TSP ...
Measure CW incident, reflected, and transmitted power of the cavity (including ... manufacturing tolerances. He bath temperature. Lorentz force detuning ...
PEP-II RF System Status and Upgrades By: Vojtech Pacak Klystron Department PEP-II Machine Advisory Committee Review January 18-20 2006 Summary RF system performance ...
Theory and simulations (see summary report of session F in proceedings and ... Spectrogram of dipole motion (R. Macek) Time evolution of instability at PSR ...
The Secondary Electron Yield of TiZr and TiZrV. Non-Evaporable Getter (NEG) thin film ... 1 L (Langmuir) = 10-6 torr.s. small NEG sample and big stainless steel area ...
H Stripping for the PS2. Benefits from the ongoing SNS developments. Encouraging results in R&D tests ... J. Byrd, R. Wilcox, ??? Space-charge studies: ...
magnetic fields and how to create them. engineering current density ... Above a certain field, the Qo falls steeply because of emission of electrons from high points ...
Alexander Kalinin - ASTeC. Carl Beard - ASTeC. Amos Dexter - Lancaster ... Work carried out by Sasha Drozhdhin (SLAC) evaluated the effect of photons from ...