Week 44 - SPS Dedicated MD
Saturday 23/10 (08:00) - Monday 25/10 (08:00)
Monday 25/10 (08:00)
Stop Extraction (Procedure from J. Uythoven)
Verify that we cannot move TT40 TED out
Monday 25/10 (08:00-14:00)
Setting-up of the acceleration of the LHC beam in the SPS
Debug Collimator and CNGS Target instrumentation/logging
Beam conditions: LHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 1-4
Nbunch = 1.3 x 1011 p (4 batches)
eH,V* < 3 mm
eL=0.35 eV.s
Participants: SPS OP team, G. Arduini, Ph. Baudrenghien, T. Bohl, M. Jonker, F. Roncarolo, J. Wenninger
Check Intensity Interlock (2 x 1012 p/pulse)
Monday 25/10 (14:00-17:00)
Setting-up of the acceleration and extraction of the Pilot beam in the SPS
Beam conditions: MDLHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 1
Nbunch = 0.05 x 1011 p
eH,V* < 1 mm
eL=0.2 eV.s
Participants: SPS OP team, G. Arduini, T. Bohl, E. Gaxiola, M. Jonker, M. Lamont, J. Uythoven, J. Wenninger
Setting-up of extraction of the 12 LHC bunches in the SPS
Verify MKE kicker synchronization with beam
Beam conditions: TSTLHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 1
Nbunch = 1.3 x 1011 p (12 bunches)
eH,V* < 3 mm
eL=0.35 eV.s
Participants: SPS OP team, G. Arduini, T. Bohl, A. Fabich, E. Gaxiola, M. Jonker, M. Lamont, J. Uythoven, J. Wenninger
Check Nitrogen flow on CNGS target before going to higher intensity
Verify that Screens are OUT!!!
Check Intensity Interlock (>3.5 x 1013 p/pulse)
Monday 25/10 (17:00-19:00)
Setting-up of extraction of the 1 to 4 batches of LHC beam in the SPS
Verify MKE kicker synchronization with beam
Optimize losses in the extraction channel
One pulse every > 5 mins (CNGS target) - stop injection after each extraction - then switch timing OFF on MKE
Verify CNGS target temperature and vibration after each shot
Verify vacuum after each shot
Beam conditions: LHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 1 to 4
Nbunch = 1.3 x 1011 p (1 - 4 batches)
eH,V* < 3 mm
eL=0.35 eV.s
Participants: SPS OP team, G. Arduini, T. Bohl, A. Fabich, E. Gaxiola, L. Jensen, J.-M. Jimenez, R. Jones, M. Jonker, M. Lamont, J. Uythoven, J. Wenninger
Check Intensity Interlock (few 1010 p/pulse)
Move Material test experiment IN
Monday 25/10 (19:00-21:00)
Extraction of the Pilot beam in the SPS
Beam-based alignment of the collimator with screens upstream (BTV4003) and downstream (Material test screen) the Collimator
TT40 logging should be running
Beam conditions: MDLHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 1
Nbunch = 0.05 x 1011 p
eH,V* < 1 mm
eL=0.2 eV.s
Participants: SPS OP team, O. Aberle, G. Arduini, R. Assmann, T. Bohl, F. Decorvet, A. Fabich, E. Gaxiola, M. Jonker, V. Kain, M. Lamont, S. Redaelli, G. Robert-Demolaize, R. Schmidt, J. Uythoven, J. Wenninger
Move Material test experiment OUT and block it out
Check Nitrogen flow on CNGS target
Verify that Screens are OUT!!!
Check Intensity Interlock (>3.5 x 1013 p/pulse)
Monday 25/10 (21:00-02:00)
Collimator Test
Move collimator IN (5 mm in from position found with pilot)
Extraction of 12 - 72 - 2 x 72 - 4 x 72 LHC bunches in the SPS with collimator IN (5 mm in from position found with pilot) - 3 extractions
One pulse every > 10 mins (CNGS target) - stop injection after each extraction - then switch timing OFF on MKE
Measure transverse emittance of the shot with Wire Scanner in the SPS
Verify CNGS target temperature and vibration after each shot
Verify Collimator temperature
Verify vacuum recovery after each shot
TT40 logging should be running
Beam conditions: TSTLHC/LHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 1-4
Nbunch = 1.3 x 1011 p (12 bunches)/1.3 x 1011 p (72 bunches)
eH,V* < 3 mm
eL=0.35 eV.s
Participants: SPS OP team, O. Aberle, G. Arduini, R. Assmann, T. Bohl, F. Decorvet, A. Fabich, E. Gaxiola, J.-M. Jimenez, M. Jonker, V. Kain, M. Lamont, S. Redaelli, G. Robert-Demolaize, R. Schmidt, J. Uythoven, J. Wenninger
Access in TT40 to open Collimator cooling valves after 1st shot at full intensity (A. Fabich, TIS/RP)
The person in charge of opening the cooling valves should bring a DMC
Extraction of 4 x 72 LHC bunches in the SPS with collimator IN (scan in steps of 1 mm of both jaws) - 9 extractions
One pulse every > 10 mins (CNGS target) - stop injection after each extraction - then switch timing OFF on MKE
Measure transverse emittance of the shot with Wire Scanner in the SPS
Verify CNGS target temperature and vibration after each shot
Verify Collimator temperature
Verify vacuum recovery after each shot
TT40 logging should be running
Beam conditions: LHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 4
Nbunch = 1.3 x 1011 p (4 batches)
eH,V* < 3 mm
eL=0.35 eV.s
Participants: SPS OP team, O. Aberle, G. Arduini, R. Assmann, T. Bohl, F. Decorvet, A. Fabich, E. Gaxiola, J.-M. Jimenez, M. Jonker, M. Lamont, S. Redaelli, G. Robert-Demolaize, J. Uythoven, J. Wenninger + TIS/RP
Collimator OUT
MOVE material test experiment IN
Check Intensity Interlock (9 x 1012 p/pulse)
Tuesday 26/10 (02:00-05:00)
Material Test
Extraction of 12 - 24 - 48 - 72 LHC bunches in the SPS (scan in 1 cm steps +/- 2 cm) - 4 extractions
One pulse every > 10 mins (CNGS target) - stop injection after each extraction - then switch timing OFF on MKE
Measure transverse emittance of the shot with Wire Scanner in the SPS
Verify CNGS target temperature and vibration after each shot
TT40 logging should be running
Beam conditions: TSTLHC/LHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 1
Nbunch = 1.3 x 1011 p (1 batche)
eH,V* < 3 mm
eL=0.35 eV.s
Participants: SPS OP team, G. Arduini, A. Fabich, M. Jonker, V. Kain, R. Schmidt, J. Wenninger
Verify that Screens are OUT!!!
Move Material test experiment OUT and block it out
Check Intensity Interlock (>3.5 x 1013 p/pulse)
Tuesday 26/10 (05:00-08:00)
CNGS target test
Extraction of 50 x 12 LHC bunches in the SPS (horizontal/vertical scan) - 50 extractions
Extraction of 2 x 72 LHC bunches in the SPS (horizontal/vertical scan) - 10 extractions
Extraction of 4 x 72 LHC bunches in the SPS (horizontal/vertical scan) - 10 extractions
One pulse every > 10 mins (CNGS target) - stop injection after each extraction - then switch timing OFF on MKE
Measure transverse emittance of the shot with Wire Scanner in the SPS
Verify CNGS target temperature and vibration after each shot
TT40 logging should be running
Beam conditions: TSTLHC/LHC on SC 546 (28.8 s long - 24 basic periods)
# injections = 1-4
Nbunch = 1.3 x 1011 p (12 bunches)/1.3 x 1011 p (72 bunches)
eH,V* < 3 mm
eL=0.35 eV.s
Participants: SPS OP team, G. Arduini, A. Fabich, M. Jonker, J. Wenninger
Tuesday 26/10 (08:00-10:00)
SC change 546 ==> 950
Stop extraction (J. Uythoven)
Beam conditions: no beam
People involved: SPS/OP
Author: Gianluigi
Arduini - AB/ABP
Last update:
Friday, October 22, 2004 05:55:19 PM
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CERN