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

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

CERN BE-OP-SPS3 SPS layout

Injection line TT10 4CERN BE-OP-SPS27/05/2014 BPCL:  14 devices  Beam steering / Injection oscillation correction  Critical for machine operation BCT:  TT10.BCTFI 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

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  Synchronisation for extraction kickers  Critical for machine operation BTV:  BTV and BTV  Beam position / Used in case of difficult start up  Critical for machine set-up BBSR:  BBSR and BBSR  No device (Empty tank); To be replaced by a vacuum chamber

6CERN BE-OP-SPS27/05/2014 SPS Ring BBSR21001 and BTV21003 : Also the case for BBSR61001 and BTV61003 BBSR BBSR BTV21001

7CERN BE-OP-SPS SPS Ring 27/05/2014 BSGV in front of TIDH (Dump) damaged. Replacement ongoing. BPSH.12174, BPSV (Schottky, RF Group) BCTDC (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  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

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

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  Page-1 high intensity  Economy mode  Critical for machine operation  BCTFR  Bunch distribution  Beam quality check  Critical for machine performance LSS3

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  Page-1 low intensity  Economy mode  BCTFS  Synchronisation for extraction kickers  Critical for machine operation LSS4

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

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:  BCTDC and BCTDC  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

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

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

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

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

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

18CERN BE-OP-SPS Transfer lines 27/05/2014 BPMI:  53 devices in Ti devices in Ti8  Beam steering  Critical for machine operation BLMI:  39 devices in Ti 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

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  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  BBSR and BBSR (Tank)

Acknowledgment 20CERN BE-OP-SPS27/05/2014 I would like to thank L. Jensen and K. Cornelis for their useful guidance

21CERN BE-OP-SPS27/05/2014 Thank you very much for your attention