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B.O.S.S. SPS ring and transfer lines Serge Massot for BE-OP-SPS European Organisation for Nuclear Research CERN CH-1211 Genève 23 Switzerland 27/05/2014CERN BE-OP-SPS1
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Highlights SPS layout Beam instrumentation : Injection Line TT10 SPS Ring All LSS Transfer lines TT20 to North Area TT40 and TT60 TT41 TT66 Ti2 and Ti8 Summary CERN BE-OP-SPS227/05/2014
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CERN BE-OP-SPS3 SPS layout
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Injection line TT10 4CERN BE-OP-SPS27/05/2014 BPCL: 14 devices Beam steering / Injection oscillation correction Critical for machine operation BCT: TT10.BCTFI.102834 and TT2.BCTFI.212 (in CPS side but used by SPS-OP) Beam structure / Bunch distribution / Gap Critical for machine operation SEM (OUTIN) 9 BSP - 3 BSG - 1 BSTK Energy matching / Emittance check / Beam position Critical for machine performance BTV: 3(+1 in TT2) Beam position / Beam shape / Transverse blow up Critical for machine set-up No BLM
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SPS Ring 5CERN BE-OP-SPS27/05/2014 BPM: 104 BPH 93 BPV Beam steering Critical for machine operation BLM: 216 devices (36 per arc) Losses check / Machine protection Critical for machine operation BCT: BCTFS.60903 Synchronisation for extraction kickers Critical for machine operation BTV: BTV.21003 and BTV.61003 Beam position / Used in case of difficult start up Critical for machine set-up BBSR: BBSR.21001 and BBSR.61001 No device (Empty tank); To be replaced by a vacuum chamber
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6CERN BE-OP-SPS27/05/2014 SPS Ring BBSR21001 and BTV21003 : Also the case for BBSR61001 and BTV61003 BBSR.21001 BBSR.21001 + BTV21001
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7CERN BE-OP-SPS SPS Ring 27/05/2014 BSGV.11793 in front of TIDH (Dump) damaged. Replacement ongoing. BPSH.12174, BPSV.12179 (Schottky, RF Group) BCTDC.11601 (obsolete, to be removed) BPM: 2 BPD - 2 BPCN - 1 BPVC Beam steering Injection oscillation correction Critical for machine operation BLM: 12 devices Losses check Critical for machine operation BCT: BCTFS.11640 Synchronisation for injection kickers Critical for machine operation BTV: 4 devices (2 of which have a screen on a stepper motor) Injection setting up Critical for machine set-up LSS1
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8CERN BE-OP-SPS SPS Ring 27/05/2014 BPM: 2 BPCR 3 BPCN 1 BPVC Damper and feedback Tune measurement BBQ Critical for machine performance BLM: 15 devices Losses check Machine protection North extraction surveillance (ZS, MSE, MST) Critical for machine operation Stepper motor: 13 BBS and 2 BSG Extraction setting up to North Area Critical for machine set-up LSS2
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9CERN BE-OP-SPS SPS Ring 27/05/2014 BPM: 1 BPNB 2 BPCN 1 BPCR 1 BPVT Beam steering Critical for machine operation Chromaticity measurement (BPCR) Critical for machine performance BCT: BCTDC.31832 Page-1 high intensity Economy mode Critical for machine operation BCTFR.31450 Bunch distribution Beam quality check Critical for machine performance LSS3
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10CERN BE-OP-SPS SPS Ring 27/05/2014 BPM: 3 BPCE - 1 BPCL – 1 BPL - 1 BPLT - 1 BPMBV Beam steering Extraction setting up to TT40 Critical for machine operation BLM: 7 devices Losses check Machine protection Critical for machine operation BCT: BCTDC.41435 Page-1 low intensity Economy mode BCTFS.41438 Synchronisation for extraction kickers Critical for machine operation LSS4
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11CERN BE-OP-SPS LSS4 (SPS Ring) 27/05/2014 BWS: 2 Rotational (1 only V plane) and their filters (Stepper motor) Emittance measurement Aperture measurement Cross check wirescan in LSS5 Critical for machine performance (especially for LHC beam) BTV: 2 BTVE (Screen on a stepper motor) 1 BTV Extraction setting up Critical for machine set-up
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12CERN BE-OP-SPS SPS Ring 27/05/2014 BPM: 2 BPMBH – 4 BPMBV Beam steering Monitoring for experiments Critical for machine operation BLM: 4 devices: Losses check for experiment (UA9) Critical for machine operation BCT: BCTDC108.51895 and BCTDC108.51897 Measurement of high intensity for primary ion beam interlock Critical for personal protection BWS: 1 Rotational / 2 Linear and their filters (Stepper motor) Emittance measurement Aperture measurement Cross check wirescan in LSS4 Critical for machine performance (especially for LHC beam) LSS5
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13CERN BE-OP-SPS LSS5 (SPS Ring) 27/05/2014 BTV + BMO (Stepper motor): 1 device Screen matching (Injection energy matching) Critical for machine performance BBLR: 4 devices Beam beam long range Development instrument BIPM: 1 BIPMH – 1 BIPMV Profile by residual gas ionisation Development instrument BRS: 2 devices Synchrotron light Development instrument
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14CERN BE-OP-SPS SPS Ring 27/05/2014 BPM: 3 BPCE – 2 BPCN Beam steering Extraction to TT60 Critical for machine operation BLM: 13 devices Losses check Machine protection Critical for machine operation BTV: 4 BTVE (Screen on a stepper motor) Extraction setting up Critical for machine set-up LSS6
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15CERN BE-OP-SPS27/05/2014 Transfer lines TT20 to North Area BLM: 20 devices Transfer losses / losses at splitting / Machine protection Critical for machine operation SEM (OUTIN): 19 BSP – 11 BSG – 6 BSI Beam steering / Intensity measurement Critical for machine operation Stepper motor: 34 BBS (Mini scanner) – 2 BSI – 6 BSM – 2 BSG – 2 BTV screens Setting up to North Area Critical for machine set-up BTV: 10 devices Setting up to North Area Critical for machine set-up
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16CERN BE-OP-SPS Transfer lines 27/05/2014 BPM: 4 BPKG in TT40 – 5 BPCK in TT60 Beam steering Critical for machine operation BLM: 6 devices in TT40 – 8 devices in TT60 Losses check Machine protection Critical for machine operation BCT: 1 BCTFI in each line Beam presence Injection Quality Check Critical for machine operation BTV: 3 devices in each line Beam transfer setting up Screen matching Critical for machine set-up TT40 and TT60 TT41: CNGS over. Configuration to be discussed for AWAKE
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17CERN BE-OP-SPS Transfer lines 27/05/2014 BPM: 6 devices – 1 BPKG Beam steering Critical for machine operation BLM: 12 devices Losses check Machine protection Critical for machine operation BCT: 1 BCTFI Beam presence Beam quality check Critical for machine operation TT66
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18CERN BE-OP-SPS Transfer lines 27/05/2014 BPMI: 53 devices in Ti2 - 47 devices in Ti8 Beam steering Critical for machine operation BLMI: 39 devices in Ti2 - 32 devices in Ti8 Losses check Machine protection Critical for machine operation BCT: 1 BCTFI in each line Beam presence Injection Quality Check Critical for machine operation BTVI: 9 devices in each line Beam transfer setting up Screen matching Critical for machine set-up Ti2 and Ti8
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Summary 19CERN BE-OP-SPS27/05/2014 Critical for machine operation: Almost all BPMs All BLMs Almost all BCTs All SEMs (OUTIN) in TT20 Beam steering every day Critical for machine performance: BPMs for tune and chromaticity measurement BCTFR.31450 All SEM (OUTIN) in TT10 Wirescanners BTVs for screen matching Critical for machine set-up: BTVs for extraction setting up Mini scanners Development instrument: BBLR BIPM BRS To be removed: BCTDC.11601 BBSR.21001 and BBSR.61001 (Tank)
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Acknowledgment 20CERN BE-OP-SPS27/05/2014 I would like to thank L. Jensen and K. Cornelis for their useful guidance
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21CERN BE-OP-SPS27/05/2014 Thank you very much for your attention
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