increases due to synchro-beta coupling. Therefore, the luminosity reduces in (c) ... A measured ratio of beta function for two locations is different from calculation. ...
'crabbed waist' idea does not provide the significant luminosity enchancement. ... of 1033 cm-2 s-1 can be obtained even without the 'crabbing' sextupoles. ...
Simulation of Beam-Beam Effects and Tevatron Experience. Alexander Valishev ... 'Scallops'. Simulation and Measurement. EPAC'08 6/26/08 A.Valishev. 15 ...
Extreme Pacman bunch: 60 LR encounter. The forces of the LR-interaction and the wire ... Pacman bunches. The tune spread of the extreme PACMAN bunch is half ...
variation of tune with longitudinal position (a,b 0 for PEP-II) ... C=2.4, B=0, A=0, |l|max=6.65,tgrowth=0.88 ms (2) 3-particle model, e-cloud wake&tune shift ...
Measurements, ideas, curiosities fundamental limitations to the ultimate performance of high-luminosity colliders Complement to the lecture on Electron Cloud and Beam ...
Movie... (Jean-Luc Vay) DOE review, June 1, 2005. AP & Commissioning - M. Syphers. 7 ... US candidates will be plugged in where vacancies and abilities lie. ...
Single-Pulse Beam-Beam Scan. Fast BPM and kicker needed for interaction point stabilization ... Speeds up beam-beam scans by an order of magnitude, maybe more. ...