'Rf group' diaporamas de présentation

The LEP Machine

The LEP Machine. Steve Myers SL, CERN. LEP Lay-Out. Topics. Why is LEP so big? & Why is SC RF needed? Principal Performance Limitations History of LEP with Beam Some unexpected problems Some really unexpected events or Bed-time stories for your children and grand-children

529 views • 35 slides

Operational experience of high-power RF at Diamond Light Source

Operational experience of high-power RF at Diamond Light Source. Chris Christou, Pengda Gu, Alun Watkins Diamond Light Source. Diamond Light Source. UK national synchrotron light source 3 GeV storage ring, 300 mA beam current Full energy booster and 100 MeV linac

417 views • 22 slides

SPS impedance

SPS impedance. transverse impedance described by broadband resonator (many geometric transitions, shielded pumping ports) with frequency 1.3 GHz, Q~1, R sh ~10 M W /m, plus contribution from MKE kickers Z~1.25 M W /m per unit longitudinal impedance dominated by 200-MHz rf , some

407 views • 19 slides

Event timing system for BEPCII storage ring commissioning

Event timing system for BEPCII storage ring commissioning. Presented by G. Lei May 2007 . Brief review: by IMAC 2006. Event timing system had been installed in Linac of BEPCII, Provide trigs to e-gun, solid state amplifier, PSK, gun power supply, positron source, 16 modulators

330 views • 18 slides

The Operation Group at BEPCII

The Operation Group at BEPCII. Workshop on Accelerator Operations August 6 ? 2012 Jun Xing For the Operation Group IHEP ? Beijing ? P.R. China. Overview. Brief introduction on the BEPC-II Group mission The operation group Brief history Shift arrangement encouragement

284 views • 17 slides

RF Power System: power source, distribution

312 views • 16 slides

AGS Run-9 Preparations, Status and Plans

AGS Run-9 Preparations, Status and Plans. Haixin Huang. Dec. 16, 2008. Strategy to Overcome Polarization Loss. There are significant emittance growth in the injector chain: Emittance growth in the LEBT/MEBT of linac. Multiple scattering at stripping foil at LtB. BtA optics mismatch.

203 views • 9 slides

The Story So Far

The Story So Far. Cold in both rings. 4K Wave. PP12 lattice test evening. PS work during Day. Overnight Stores 109x109. PS gave us e-lens. First Collisions. Start Physics. LIPA Maintenance. 6 hour stores with tune between. LIPA Maintenance. 8hr Stores. APEX. Inject =200e11.

219 views • 9 slides