'Abort gap' presentation slideshows

Status of the LHC

Status of the LHC . Mike Lamont for the LHC team. Commissioning progress. 2010. Hardware commissioning for 3.5 TeV Ramp beams to 3.5 TeV Machine protection systems qualified Colliding safe stable beams (2 on 2 pilots). Squeeze to 2m Low bunch currents, increase k b

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Tevatron 101

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443 views • 31 slides

Diamond based particle detectors for LHC machine protection

Diamond based particle detectors for LHC machine protection a nalysis of data from Run 1 and detector characterization experiments. Motivation Introduction Ionisation Chamber Beam Loss Monitors ( icBLM ) Diamond Beam Loss Monitors ( dBLM ) dBLM characterization

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What are the issues with injecting unsafe beam into the LHC ?

What are the issues with injecting unsafe beam into the LHC ?. C. Bracco, W. Bartmann, B. Dehning, B. Goddard, V. Kain, M. Meddahi, V. Mertens, A. Nordt, J. Uythoven, Acknowledgments: BLM, OP, CO, Collimation team . Outline. Failures: Examples during 2010 operation Intensity limitations:

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LHC- Longitudinal Profile Monitor.

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Tentative Planning

LHC Status Mon Morning 23 - Mai Bernhard Holzer, Gianluigi Arduini et al. Tentative Planning. Fri morning. 07:43h stable beam since 8 hours dump, 768 x 768 out of 72 trains. 07:44h beam dump, cryogenics conditions lost for arc in S81

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LHC RF Status March 29, 2011

Acknowledgments to: T. Argyropoulos and E. Shaposhnikova for the calculations of capture loss and debunching following a klystron trip P. Maesen for the statistics on klystron/cavity problems A.Boccardi and S. Bart Pedersen for the help with the Abort Gap Monitor.

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Transfer and injection into LHC, is this a bottleneck?

Transfer and injection into LHC, is this a bottleneck? . C. Bracco, W. Bartmann, B. Goddard, V. Kain, M. Meddahi, V. Mertens, O. Mete, L. Norderhaug Drosdal, A. Nordt, R. Schmidt, J. Uythoven Acknowledgments: BLM, OP, CO, RF, MPE, Collimation team . Outline.

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Introduction to the LBDS system and its functionality

Introduction to the LBDS system and its functionality

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Injection losses and protection

Injection losses and protection. Evian, 12-Dec-11 W. Bartmann

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New Pbar Cogging in the Tevatron

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Wednesday 5.10 .

Wednesday 5.10. 05:31 Beam dump due to QPS trigger in sector 78. Quench heaters discharged in MB10.L8. 07:28 Quench heaters charged ok again in cell B10L8. Was a EN/EL circuit breaker (cell 32, EOJ106/78.32R7). nr. Q3. 08:29 Cryo back. 08:20 RF tests without beam.

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Tuesday 17 th April

278 views • 13 slides

Tuesday morning

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244 views • 11 slides

Polarity inversion

Polarity inversion. 07:00 ALICE solenoid and dipole polarity switched to positive External Crossing angle polarity unchanged at injection/ramp & squeeze Crossing angle polarity switch when going in collision

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Filling Schemes for the 2010 Heavy Ion Run

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Tuesday 28 th September

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LHC Status Tue Morning 17-Mai Bernhard Holzer , Gianluigi Arduini et al

LHC Status Tue Morning 17-Mai Bernhard Holzer , Gianluigi Arduini et al. Tentative Planning. Mo morning. 9:00h recovered from power glitch 228 x 228 bunches no problems. Mo morning. 11:45h VdM scan bump calibration. Mo afternoon. 14:52h Philippe and his Klystrons

204 views • 8 slides