'Bunches' diaporamas de présentation

ANALYSIS OF SOME LHC FILLS WITH AND WITHOUT TRANSV. EMIT. BLOW-UP

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T. Pieloni Laboratory of Particle Accelerators Physics EPFL Lausanne and CERN - AB - ABP

Beam-Beam Tune Spectra in RHIC and LHC. T. Pieloni Laboratory of Particle Accelerators Physics EPFL Lausanne and CERN - AB - ABP. In collaboration with: R.Calaga and W. Fischer for RHIC BTF measurements W.Herr and F. Jones for simulation development. Tune spectra depends on:.

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View From CERN / Schedule

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Tevatron Collider Run II - Doing Shots

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LIU: Exploring alternative ideas

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Summary of Week 16 G. Arduini, J. Wenninger

Summary of Week 16 G. Arduini, J. Wenninger Main aim: Consolidate operation with 50 ns and trains of 36 and 72 bunches for physics and luminosity production. Availability and performance. Machine available ~75% since last Monday morning: Major stops:

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Alternative/complementary Possibilities

Alternative/complementary Possibilities. M. Benedikt , C. Carli, H.Damerau , R.Garoby , B. Goddard, S.Hancock , K.Hanke , S.Gilardoni. Introduction Present PS scheme for nominal LHC bunch trains Alternative/complementary Scenarios Batch Compression schemes in the PS

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WHAT DO PARTICLE PHYSICISTS DO? Frontiers of Particle Physics

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Bunch Merging in the Helical Channel

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Numerical Simulation of CSR induced Instabilities

Numerical Simulation of CSR induced Instabilities. T. Limberg, P. Piot Zeuthen, CSR Workshop 2002. Flat Top Bunch Shape for Modulation Enhancement Studies. Make bunches with flat tops 20 modulation lengths wide Soften the tail drop-off to prevent edge-effects affect the middle plateau

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AOB from the expts

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RHIC Status

RHIC Status. V.Ptitsyn. First week: Luminosity. 54 bunches. 87(86) bunches. 54 bunches. First week: Polarization. Recent machine developments. Main developments during the last week: Reducing the collision vertex:

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Joint Operation & Readiness meeting

Joint Operation & Readiness meeting. Optical lasers Detectors Electronics AE EETF CAS ITDM SRP Technical services AoB. Report Operation / Photon Run Coordinator* Report Dispatch Instruments FXE SPB/SFX SCS SQS MID HED Beam transport Vacuum X-ray optics Photon diagnostics*.

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A THz radiation source at SPARC

feasibility study presented at EPAC08, 23-27 June 08. A single bunch properly tuned can generate THz radiation power via CTR. An optimized set of parameters has been found for the generation of THz radiation downstream the SPARC dogleg and magnetic compressor. A THz radiation source at SPARC.

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APEX Report May 12-13, 2009 May 20, 2009

APEX Report May 12-13, 2009 May 20, 2009. Fulvia Pilat Time Meeting, May 26 2009. APEX Schedule May 20 2009. Ramp pp94- nearInt No beam. Ramp Pp93 No beam. Ramp Pp93 12 bunches. Store pp93 12 bunches. Store pp93 12 bunches. Store pp93 12 bunches BBQ. Ramp Pp100

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50 nsec . bunches

50 nsec . bunches. 50 nsec . bunches. Single bunch. V450. h 450. V26. h 26.

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Transverse emittances during Abort Gap cleaning tests 30-Sep-2010 (plots on next page)

Transverse emittances during Abort Gap cleaning tests 30-Sep-2010 (plots on next page). Bunch 1 and 1201at 450 GeV (separated by dt=abort gap) Emittance measured by: WS with acquisition gate (~10us) centered on Bunch 1 , not blind to Bunch 1201

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