LBOC Meetings 2012
Minutes/Date
Topics presented
11 December 2012
Collimation after LS1: Cleaning and β* Reach
(R. Bruce)
Preliminary Summary of the LHC Scrubbing Run
(H. Bartosik)
20 November 2012
Recent Simulations on Beam-Beam Effects and some Measurements
(T. Pieloni)
Recent Observations on Bunch Length Splitting in LHC Beam 1
(M. Hostettler)
Performance Evolution vs. Machine Parameters in the last 3 Weeks
(G. Arduini)
06 November 2012
Follow Up from Previous Meeting: Fill-to-fill Luminosity Comparison
(M. Hostettler)
LHC Instabilities: Needs for Tests with Octupole Older Polarity
(T. Pieloni)
Merging Flat-beam MD and Long-Range tests with 25ns Beams
(T. Pieloni)
30 October 2012
LHC Luminosity Lifetime Observation in 2012
(M. Hostettler)
Operation with ADT increased Bandwidth
(D. Valuch)
Stability of Luminosity Optimizations
(J. Wenninger)
16 October 2012
Observation of 50Hz Lines in the LHC BBQ System
(R. De Maria)
Tune System Performance with/without Gating
(R. Steinhagen)
Proposal to Change Bunch Length during Physics Fills
(B. Salvant)
25 September 2012
Summary of p-Pb Tests and Preparation of p-Pb Run
(R. Versteegen)
Vacuum Activity around the MKIs and Threshold Values
(M. Barnes)
Scrubbing Run: TDI, MKI and MKE interlocks
(J. Uythoven)
18 September 2012
TS#3-2012
Activities
(K. Foraz)
Luminosity
-calibration systematics
from non-linear x-y correlations in the 3-d
L
distribution
(W. Kozanecki)
Beam Loss and Beam Shape at the LHC collimators
(F. Burkart)
11 September 2012
Plans and Goals of the Scrubbing Run
(G. Rumolo)
Status and Prospects of Q/Q' Measurements
(R. Steinhagen)
LHC Performance with Low-Emittance H=9 Beam
(M. Kuhn)
21 August 2012
ADT Tune Measurement
(W. Hofle),
animation
Coupling Correction
(T. Persson)
14 August 2012
Status of the Impedance-Damper Model
(N. Mounet)
Nested HT Method: Impedance and Damper
(A. Burov)
Instability Observations with new Octupole Setting
(X. Buffat)
07 August 2012
Inconsistencies in the MQY Transfer Function
(E. Todesco)
Correlation Between Quadrupole Errors and Measure Beta-beating
(R. Tomas)
Preliminary Analysis with the BLM Recognition Tool
(E. Del Busto)
31 July 2012
Recent Observations of Instabilities
(T. Pieloni)
Fast Beam Losses During Beam Dump Process due to (missing) LR Beam-Beam kick
(T. Baer)
24 July 2012
Update on UFOs: 2012 Observations, Studies and Extrapolations
(T. Baer)
Observation with Diamond Sensors during LHC Operation
(M. Hempel)
10 July 2012
Status of Beam Gas Ionization Monitor (BGI)
(M. Sapinski)
Optics and Aperture Calculations for p-Pb in Physics conditions
(R. Versteegen)
Update on Plans for the First p-Pb Run
(J. Jowett)
26 June 2012
Technical Stop #2 2012
(J. Coupard),
activities list
BE-CO work for the TS#2
(P. Charrue),
To-do list
Restart after TS#2
(J. Wenninger)
12 June 2012
Analysis of Recent Beam Instabilities
(E. Metral)
05 June 2012
LHC Transverse Feedback
(D. Valuch)
Energy Matching
(J. Wenninger)
22 May 2012
Observations on luminosity curves
(G. Papotti)
Beam-beam footprint viewer
(X. Buffat)
08 May 2012
BE-CO work for the TS#1 - Outcome of the Actions
(P. Charrue)
Losses in Ramp and Squeeze
(J. Wenninger)
Observation of Losses and Instabilities during Collisions
(X. Buffat)
24 April 2012
Technical Stop #1 2012
(J. Coupard)
BE-CO Work for the TS
(P. Charrue)
Injection and Transfer Line Stability
(L. Drosdal)
Orbit and Orbit Feed-forward in Squeeze and Collision BPs
(j. Wenninger)
'Recovery' from TS
(J. Wenninger)
17 April 2012
Orbit Feedback Issues Status and Plans
(J.-J. Gras)
Leveling Test: Machine Experience Preliminary Results
(T. Pieloni)
Chromaticity Decay and Snapback
(N. Aquilina)
Simulations of IBS for Protons in 2012
(M. Schaumann)
03 April 2012
Recent Instabilities Observed in the LHC
(N. Mounet)
27 March 2012
First Optics Measurements 2012
(E. Maclean)
2012 Aperture Measurements - Preliminary Results
(S. Redaelli)
13 March 2012
Chromaticities, Octupoles' Currents and Bunch Length for the 2012 run
(E. Metral)
Sources of Orbit Perturbations in the Squeeze
(J. Wenninger)
Ramping Faster - Follow Up
(M. Lamont)
Preliminary LHC Planning for Week 12
(G. Arduini)
06 March 2012
LHCb External V Crossing Angle
(R. Alemany Fernandez)
Ramping Faster
(M. Lamont)
b3 Decay at 4 TeV Measured at SM18 and Possibility of a Faster Ramp
(N. Aquilina)
Tune Behaviour During Injection and Ramp
(N. Aquilina)
MPS Commissioning for 2012 run
(M. Zerlauth)
28 February 2012
Machine checkout 2012
(J. Wenninger)
Beam commissioning plan outline
BI 2012 commissioning plan
(F. Roncarolo)
Plan for the DSO test
(M. Tavlet)
21 February 2012
Re-commissioning 2012
(J. Wenninger)
Beam commissioning plan outline
LHC Injection and Dump Re-commissioning 2012
(W. Bartmann)
RF and ADT 2012 Commissioning
(T. Mastoridis)
Considerations for the Optics commissioning at
b
*=0.6 m
(G. Vanbavinckhove on behalf of R. Tomas-Garcia)
LHC Beam Loss Pattern Recognition Application
(M. Nagel)
31 January 2012
Consideration on the CMS V shift
(M. Giovannozzi)
New IR6 Optics with Optimized Phase Between MKD and TCSG
(S. Fartoukh)
Check of LBDS for New IR6 Optics
(B. Goddard)
LHC Cycle for Proton Physics Operation
(S. Redaelli)
Update on Beam Induced Heating
(B. Salvant)
24 January 2012
Vertical Crossing Angle at IP8
(R. Bruce)
Superconducting Circuits Re-Commissioning after the 2011 Christmas Break
(M. Pojer)
IP position offset @ IP5
(J. Wenninger)
17 January 2012
Vacuum Activities During Xmas Braek: CMS and LS2,8
(V. Baglin)
Margin for Beam Position Interlocking at the TCDQ, Analysis of 2011 Data
(J. Wenninger)
TDI Beam Screen Deformation
(R. Losito)