... Furman, M. Venturini, J.-L. Vay, G. Penn, J. Byrd, S. de Santis (LBNL); M. Pivi, ... Same e-density assigned to each station; refreshed after each beam passage ...
Theory and simulations (see summary report of session F in proceedings and ... Spectrogram of dipole motion (R. Macek) Time evolution of instability at PSR ...
At the end of the year 2005, a Damping Ring (DR) will be selected amongst the ... A. Wolski suggested to use new specifications for vacuum camber sizes. ...
Benchmarking of ECLOUD and POSINST in ILC DR wiggler ... Rectangular chamber with semi-axis axb=16x9mm and two antechambers 10mm full size on both sides. ...
Dependence of the E-Cloud Instability threshold on energy at the SPS ... the initialization of particles very close to the separatrix (E. Shaposhnikova) ...
New and up to 80-200 times faster algorithms to solve the electron eqs of motion ... versus time: ECLOUD results. High density... E-cloud in PETRA II too ? ...
Beam Induced Pressure Rise in Rings, BNL, Dec. 9-12. 2003. ECLOUD'04, Napa, California, ... Pumping down to 10-4 torr of the cold parts prior to the cooling ...
Experimental background at the presence of pressure rise in RHIC ... For most of the run the abort gap was aligned such that it crossed in PHENIX and BRAHMS ...
Humberto Maury Cuna. European Organization for Nuclear Research. CINVESTAV Campus M rida. Electron Cloud Effects in the LHC. Dr. Frank Zimmermann. Supervisor: ...
Title: Template Author: Jim Strait Last modified by: Thomas W. Markiewicz Created Date: 1/16/1998 1:29:58 AM Document presentation format: Letter Paper (8.5x11 in)
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 ...
Measurements, ideas, curiosities fundamental limitations to the ultimate performance of high-luminosity colliders Complement to the lecture on Electron Cloud and Beam ...
H Stripping for the PS2. Benefits from the ongoing SNS developments. Encouraging results in R&D tests ... J. Byrd, R. Wilcox, ??? Space-charge studies: ...
From the EC simulation codes (CSEC), the multi-bunch EC build up for RHIC has ... some few parameters to describe EC (sic). Can we map EC from experimental data? ...
H.Schmickler in LARP LTV Advisory Committee. Joint LHC beam-beam&IR workshop at SLAC, Mar'07 ... tasks winding down and some budget increase in FY08 ...
... is a challenge: PSR (LANL), PEP-II, KEKB, Daphne, SPS (CERN), LHC etc. ... when the electron cloud is NOT present high level concern for LHC, ILC, Daphne ...
Will try to build on this synergy and exploit ongoing efforts and ... CCA. PETSc. Matplotlib. Numpy. PyTables. Scientific Computing Infrastructure. ATLAS. GSL ...
Low energy electrons can be accelerated by positron ... Splitter/Combiner Schematic. Used for Both Drive and Receiver. Lengths of legs are chosen to give ...
Narrow forward scattering only important on silhouettes (low orders) ... Radiosity between two facing parallel planes known form factors (analytic) ...
Rectangular chamber with semi-axis axb=16x9mm and two antechambers 10mm full size on both sides. ... is not necessary to study every lattice in detail, but ...
Contributions from M. Pivi (SLAC), M. Palmer (Cornell), C. Celata (LBNL), A. ... Bottom: BPM ADC level vs Bunch (note missing bunches at high bunch currents) ...
Electron Cloud Studies and R&D for the International Linear Collider. Mauro Pivi ... The various curves refer to 6 different values of dmax (R. Wanzenberg DESY, D. ...
Use, develop and preserve unique US resources and capabilities in accelerator ... John Fox , Claudio Rivetta, Themis Mastorides, Dan van Winkle. LHC LLRF ...
Supports a persistent plasma of nonrelativistic electrons within the ... commis- sioning. safe? safe? Different Models of Cloud Formation. Resonant Production ...
OPERATION OF THE LHC BEAMS IN THE SPS E. M tral Introduction, requirements of the LHC and LHC injectors challenges The LHC zoo Many (proton) beams required & LHC ...
Interaction region 10 [long Beryllium pipe] Counter measures. Summary ... At end of the beryllium pipe: normal intensity, spacing of 40ns then 176ns. 12m ~ 40ns ...
Good agreement for instability mode structure and frequency. Poor ... Analytical models in relatively good shape. IF linearity and superposition are good enough ...
The group should also review the status of electron cloud measurement and mitigation techniques. ... Fit RFA energy-differential current and/or tune shift as a ...
To my teacher I owe my love of life.' --Alexander the Great ... 1 to 1 modeling of meter-scale experiment in 3-D! (128 processors at NERSC, 5000 cpu hours) ...
All accelerator systems will need to be commissioned, first during hardware ... We will need a pool of accelerator physicists ready to push through particular ...