Week 45 -
Long dedicated SPS MD
Monday 07/11/2011, then Tuesday 08/11/2011 20h00 to
Thursday 10/11/2011 20h00 during LHC
stop
Monday 08h00 - Tuesday 00h00 (SPS)
Supercycle:
total 42bp, made of
one short MD1 cycle (6bp) + two
long LHC 25ns MD cycles (18+18bp)
MD title: Optimization of the 25ns beam on
nominal optics and Q20
Beam conditions:
up to 4 batches of nominal 25ns LHC beam (1.2e11 ppb)
Cycle:
LHCMD_25ns_2011_V1 (18bp) + LHCMD_25ns_Q20_2011_V1
(18bp)
PSB user =
LHC_A + LHC_B:LHC25_DB_A_PSB
+ LHC25_DB_B_PSB,
LHC_SU_A + MD4:LHC25_DB_Aclone_PSB + LHC25_DB_Bclone_PSB
PS cycle =
MD6:LHC25
SPS user = LHCMD1,
LHCFAST3
RF MMI target =
LHCMD1, LHCMD3
Contact People: SPSU team, H. Bartosik, BE/RF,
BE/OP
Additional remarks:
MD title:
High-bandwidth feedback studies
Beam conditions:
Single bunch on 4s flat bottom cycle
Cycle:
MD_26_L7200_V1
(6bp)
PSB user = LHCINDIV:LHCINDIV
PS user = LHCINDIV:LHCINDIV
SPS user = MD1
RF MMI target = MD1
Contact People: W. Höfle, SLAC visitors, BE/OP, BE/RF
Tuesday 00h00 - Tuesday 05h00
Supercycle:
SFTPRO-like cycle
+ 1 long LHC 25ns MD cycles (18bp) +
1 MD1 cycle (6bp). The MDs for
the high band-width transverse feedback will continue and the single bunch
studies will be done with the long cycle.
MD title:
TT20 steering tests and validation of simulations
Beam conditions: low
intensity SFTPRO-like beam (1 to 2e12 p), only one batch injection into the SPS
Cycle: SFT_LONG_L9690_2010_MD_V1
PSB cycle = SFTPRO-MD (low intensity SFTPRO)
PSB timing user = MD4
PS cycle = SFTPRO_CT_150E10
PS timing user = MD3
SPS user =
SFTLONG1
RF MMI target = SFT-CT
Contact Person: O. Berrig
Additional remarks:
MD title:
High-bandwidth feedback studies
Beam conditions:
Single bunch on 4s flat bottom cycle
Cycle:
MD_26_L7200_V1
(6bp)
PSB user = LHCINDIV:LHCINDIV
PS user = LHCINDIV:LHCINDIV
SPS user = MD1
RF MMI target = MD1
Contact People: W. Höfle, SLAC visitors, BE/OP, BE/RF
Additional remarks:
MD title:
Single bunch studies
Beam conditions:
Single bunch on flat bottom cycle
Cycle:
LHCMD_25ns_2011_V1 (18bp) or LHCMD_25ns_Q20_2011_V1
(18bp)
PSB user = LHCINDIV:LHCINDIV
PS user = LHCINDIV:LHCINDIV
SPS user = LHCMD1,
LHCFAST3
RF MMI target = MD1
Contact People: SPSU team, H. Bartosik, BE/RF, BE/OP
Monday 08h00 - 16h00 (PS)
PS MD title (08:00-16h00):
Set up of the fast extraction to the East
Area
Beam conditions:
EAST-type beam
Cycle:
PSB user = EASTA
PS user = EASTA
SPS user =
RF MMI target =
Contact Person: R.
Steerenberg
Additional remarks: Beam to the East area will have to be stopped during this MD, because special settings of the extraction elements are required, which are not PPM. No stop required for AD
Tuesday 05h00 - Tuesday 20h00
Cool down + INJECTOR TECHNICAL STOP
Tuesday 20h00 - Wednesday 00h00
Supercycle:
special supercycle
composed of Booster LHC_MD_A users separated by one or two zero cycles. No other
destination than the PSB dump.
MD title:
Change of the injection kicker settings at the PSB
Beam conditions:
25ns beam, only Ring 3
Cycle:
PSB user = LHC_A:LHC25_DB_A
PS user =
SPS user =
RF MMI target =
Contact People: B. Mikulec et al.
Additional remarks: The goal is to try the theoretical settings for the injection kickers and check the possible gain in performance (losses, transv. emittances). To change the settings, the kickers have to be switched off and some hardware changes done locally
Wednesday 00h00 - 01h00
MD title:
Switch to
the coastable supercycle
Beam conditions:
single nominal LHC bunch
Cycle:
MD_25.92_55_270_2009_V1
(26bp)
Contact People: BE/OP, BE/RF
Additional remarks:
Wednesday 01h00 - Wednesday 07h00
Supercycle:
fully dedicated MD (26bp)
MD title:
Emittance growth in coast for crab
cavity studies
Beam conditions:
single bunch with low intensity (1e10 to 2e10) to be coasted at 270 GeV/c
Cycle:
MD_25.92_55_270_2009_V1
(26bp)
PSB user = LHCINDIV
PS user = LHCINDIV
SPS user =
LHCMD2 (pulsed), COAST2 (coast)
RF MMI target = MD1
Contact People: R. Calaga, E. Métral, R. Tomás, F. Zimmermann
Additional remarks:
Wednesday 07h00 - 12h00
Supercycle:
fully dedicated MD (26bp)
MD title: Collimator studies + vacuum
degassing measurements of jaws movements
Beam conditions:
single bunch on pulsed cycle for 1h and "coastable" at 270 GeV/c
Cycle:
MD_25.92_55_270_2009_V1
(26bp)
PSB user = LHCINDIV/LHCINDIV
PS user = LHCINDIV/LHCINDIV
SPS user =
LHCMD2 (pulsed), COAST2 (coast)
RF MMI target = MD1
(LHCMD1 if multi-bunch requested)
Contact People: D. Wollman, G. Bregliozzi, et al.
Additional remarks:
Wednesday 12h00 - 13h00
MD title:
Switch to
the 42bp supercycle
Beam conditions:
50ns LHC beam (18bp+18bp+6bp)
Contact People: BE/OP, BE/RF
Additional remarks:
Wednesday 13h00 - 06h00
Supercycle:
total 42bp, made of
two long flat LHC cycles
allowing for 4 injections (18bp+18bp) + one
short MD1 cycle
MD title: Multi-bunch high-intensity
studies at Q26 and Q20
Beam conditions:
up to 4 batches of nominal 50ns LHC beam (1.8e11 ppb)
Cycle:
(18bp) + (18bp) +(6bp)
PSB user = LHC_MD_A+LHC_MD_B
PS cycle =
LHC_DB_50
SPS user = LHCMD_50ns_D_2011_V1 +
LHCMD_50ns_D_Q20_2011_V1
RF MMI target = LHCMD1
Contact People: H. Bartosik, SPSU team, BE/OP, BE/RF
Additional remarks:
MD title:
High-bandwidth feedback studies
Beam conditions:
Single bunch on 4s flat bottom cycle
Cycle:
MD_26_L7200_V1
(6bp)
PSB user = LHCINDIV:LHCINDIV
PS user = LHCINDIV:LHCINDIV
SPS user = MD1
RF MMI target = MD1
Contact People: W. Höfle, SLAC visitors, BE/OP, BE/RF
Wednesday 08h00 - 22h00 (PS)
PS MD title:
Set up of the fast extraction to the East
Area and cross-calibration measurements
Beam conditions:
EAST-type beam
Cycle:
PSB user = EASTA
PS user = EASTA
SPS user =
RF MMI target =
Contact Person: R.
Steerenberg
Additional remarks: Beam to the East area will have to be stopped during this MD, because special settings of the extraction elements are required, which are not PPM. No stop required for TOF and AD
PS MD title (16:00-22h00):
Correlation between radiation measurements in Linac3 building and the loss of
LHC beam with 50ns structure on SMH16
Beam conditions:
LHC-type 50ns beam
Cycle:
PSB user = LHC_MD_A + LHC_MD_B
PS user = LHCMD
SPS user =
RF MMI target =
Contact Person: G.P. Manessi, S. Gilardoni
Additional remarks: Beam for physics (EAST, AD, TOF) should be stopped and the only losses on SMH16 are those provoked on purpose on the 50ns beam
Wednesday 06h00 - 07h00
MD title:
Switch to
the coastable supercycle
Beam conditions:
single nominal LHC bunch
Cycle:
MD_25.92_55_270_2009_V1
(26bp)
Contact People: BE/OP, BE/RF
Additional remarks:
Thursday 07h00 - 11h00
Supercycle: fully dedicated MD (26bp)
MD title: Collimator studies + vacuum
degassing measurements of jaws movements
Beam conditions:
single bunch on pulsed cycle for 1h and "coastable" at 270 GeV/c
Cycle:
MD_25.92_55_270_2009_V1
(26bp)
PSB user = LHC25_DB_A/LHCA (only ring 3)
PS user = LHC25/MD6
SPS user =
LHCMD2 (pulsed), COAST2 (coast)
RF MMI target =
LHCMD1 (since multi-bunch requested)
Contact People: D. Wollman, G. Bregliozzi, et al.
Additional remarks: The users will probably take the beam later than 07:00 (at around 08:00), however the beam should be ready, so that they can use it immediately when they come to the CCC. All time before can be used for optimization.
Thursday 11h00 - Thursday 12h00
Change of supercycle to the ions
Contact People: BE/OP, BE/RF
Thursday 12h00 - Thursday 20h00
MD title:
NA61 at 13GeV/c/u
Beam conditions:
Cycle:
LEIR user =
PS user =
SPS user =
RF MMI target =
Contact Person: D. Manglunki, I. Efthymiopoulos
Additional remarks:
Thursday 20h00 - Thursday 21h00
Recovery from MD and switch back to physics
Back to the Injector MD home page
Author: Giovanni
Rumolo BE-ABP-ICE
Last update:
Wednesday, November 09, 2011 05:33:40 PM
Copyright
CERN
