B.O.S.S.SPS ring and transfer lines

Serge Massot for BE-OP-SPSEuropean Organisation for Nuclear Research

CERN CH-1211Genève 23Switzerland

27/05/2014 CERN BE-OP-SPS 1

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

• SummaryCERN BE-OP-SPS 227/05/2014

27/05/2014 CERN BE-OP-SPS 3

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.102834 and TT2.BCTFI.212 (in CPS side but used by

SPS-OP) Beam structure / Bunch distribution / Gap

Critical for machine operationSEM (OUTIN)

9 BSP - 3 BSG - 1 BSTK Energy matching / Emittance check / Beam position

Critical for machine performanceBTV:

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.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

6CERN BE-OP-SPS27/05/2014SPS

Ring

BBSR21001 and BTV21003:

Also the case for BBSR61001 and BTV61003

BBSR.21001

BBSR.21001 + BTV21001

7CERN BE-OP-SPSSPS

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 operationBLM:

12 devices Losses check

Critical for machine operationBCT:

BCTFS.11640 Synchronisation for injection kickers

Critical for machine operationBTV:

4 devices (2 of which have a screen on a stepper motor) Injection setting up

Critical for machine set-up

LSS1

8CERN BE-OP-SPSSPS

Ring

27/05/2014

BPM: 2 BPCR 3 BPCN 1 BPVC

Damper and feedback Tune measurement BBQ

Critical for machine performanceBLM:

15 devices Losses check Machine protection North extraction surveillance (ZS, MSE, MST)

Critical for machine operationStepper motor:

13 BBS and 2 BSG Extraction setting up to North Area

Critical for machine set-up

LSS2

9CERN BE-OP-SPSSPS

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

10CERN BE-OP-SPSSPS

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

11CERN BE-OP-SPSLSS4

(SPS

Rin

g)

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-SPSSPS

Ring

27/05/2014

BPM: 2 BPMBH – 4 BPMBV

Beam steering Monitoring for experiments

Critical for machine operationBLM:

4 devices: Losses check for experiment (UA9)

Critical for machine operationBCT:

BCTDC108.51895 and BCTDC108.51897 Measurement of high intensity for primary ion beam interlock

Critical for personal protectionBWS:

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-SPSLSS5

(SPS

Rin

g)

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-SPSSPS

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 AreaBLM:

20 devices Transfer losses / losses at splitting / Machine protection

Critical for machine operationSEM (OUTIN):

19 BSP – 11 BSG – 6 BSI Beam steering / Intensity measurement

Critical for machine operationStepper motor:

34 BBS (Mini scanner) – 2 BSI – 6 BSM – 2 BSG – 2 BTV screens Setting up to North Area

Critical for machine set-upBTV:

10 devices Setting up to North Area

Critical for machine set-up

16CERN BE-OP-SPSTran

sfer

line

s

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 operationBCT:

1 BCTFI in each line Beam presence Injection Quality Check

Critical for machine operationBTV:

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-SPSTran

sfer

line

s

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-SPSTran

sfer

line

s

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 operationBCT:

1 BCTFI in each line Beam presence Injection Quality Check

Critical for machine operationBTVI:

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.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)

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