ICFA Mini-Workshop on Beam-Beam Effects in Hadron Colliders (BB2013)

Name: ICFA Mini-Workshop on Beam-Beam Effects in Hadron Colliders (BB2013)
Start: 2013-03-18T08:00:00+01:00
End: 2013-03-22T14:30:00+01:00
Location: CERN

18 Mar 2013, 08:00 → 22 Mar 2013, 14:30 Europe/Zurich

6/2-024 - BE Auditorium Meyrin (CERN)

6/2-024 - BE Auditorium Meyrin

CERN

114

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Elias Metral (CERN), Roger Bailey (CERN), Werner Herr (CERN)

Description

We are pleased to announce that an ICFA mini-workshop on "Beam-Beam Effects in Hadron Colliders" will be held at CERN in Geneva, Switzerland from March 18th to 22nd, 2013. This workshop is a successor and follow up to similar workshops held at CERN in April 1999 and at Fermilab in June 2001. It is motivated by the successful start of the LHC and the emergence of a vast amount of beam-beam observations. We feel the need to review the progress made since the last workshop on beam-beam effects. The purpose of this workshop is to review the present knowledge and compare with the observations, and to discuss and plan future research work, with special emphasis on the performance of the LHC after the first long shutdown as well as on studies needed for the planned LHC upgrade projects such as HL-LHC and LHeC.

Support

bb.2013@cern.ch

Participants

58 View full list

Monday 18 March
- 08:00
  
  Workshop Registration 6/2-008
  
  6/2-008
  
  CERN
  
  15
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- Introduction and welcome 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
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  Convener: Dr Werner Herr (CERN)
  - 1
    
    Welcome address
    
    Speaker: Steve Myers (CERN)
    
    Slides
  - 2
    
    Introduction and scope of the workshop
    
    Speakers: Dr Elias Metral (CERN), Dr Werner Herr (CERN)
    
    Slides
  - 3
    Observations of beam-beam effects in the LHC
    
    Speaker: Dr Giulia Papotti (CERN)
    
    Paper
    
    Slides
    
    Source
    
    BB13papotti.tex
    
    TUPZ023f3.eps
    
    TUPZ023f6.eps
    
    TUPZ025f9.eps
  - 4
    
    Beam-beam studies in the LHC and new projects
    
    Speaker: Dr Tatiana Pieloni (CERN)
    
    Slides
- 10:00
  
  Coffee break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Beam-beam Experience in Hadron Colliders 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Oliver Bruning (CERN)
  - 5
    
    Experience with beam-beam effects in the SPS collider
    
    Speaker: Karel Cornelis (CERN)
    
    Paper
    
    Slides
  - 6
    
    Beam-beam observations in the Tevatron
    
    Speaker: Dr Vladimir Shiltsev (Fermilab)
    
    Paper
    
    Slides
  - 7
    Beam-beam observations in RHIC
    
    Speaker: Yun Luo (Brookhaven National Laboratory)
    
    Paper
    
    10Hz_Orbit_FB.ps
    
    beamintensity_fill16697.ps
    
    BeamLifetime_stat_250GeV.ps
    
    BunchLength_Fill16697.ps
    
    Correlation_Fill15386_p2.ps
    
    Correlation_Fill15386.ps
    
    DA_off_momentum.ps
    
    Fill16697_IPM.ps
    
    fp2_noBB_and_BB_dp0.ps
    
    IBS_16697_emit.ps
    
    IBS_16697_length.ps
    
    K2SL_RDT.ps
    
    Q23_betat_star_2009pp_Blue.ps
    
    rhic_bb_obs.ps
    
    rhic_bb_obs.tex
    
    RHIC_layout.eps
    
    WCMProfile_fill16697.ps
    
    Slides
- Beam-beam Experience in Hadron Colliders 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
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  Convener: Oliver Bruning (CERN)
  - 8
    
    Beam-beam effects in HERA
    
    Speaker: Mathias Vogt (DESY)
    
    Slides
- Experience in Lepton Colliders 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
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  Convener: John Seeman (SLAC)
  - 9
    
    Operational experience with crab cavities at KEK
    
    Speaker: Yoshihiro Funakoshi (KEK)
    
    Paper
    
    Slides
  - 10
    
    Experience with Large Piwinski Angle (LPA) and crabbed waist
    
    Speaker: Dr Mikhail Zobov (INFN LNF)
    
    Slides
- 16:00
  
  Coffee break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Experience in Lepton Colliders 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: John Seeman (SLAC)
  - 11
    
    Beam-beam effects in BEPC-II
    
    Speaker: Yuan Zhang
    
    Paper
    
    Slides
  - 12
    
    Recent beam-beam effects at VEPP-2000 and VEPP-4
    
    Speaker: Dr Dimitry Shwartz (BINP)
    
    Paper
    
    Slides
    
    Source
Tuesday 19 March
- Theory and Simulations I 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Dr Tatiana Pieloni (CERN)
  - 13
    
    Analytical and numerical tools for beam-beam studies
    
    Speaker: Mathias Vogt (DESY)
    
    Slides
  - 14
    
    Poisson solvers for self-consistent multi-particle simulations
    
    Speakers: Dr Ji Qiang (LBNL), Stefan Paret
    
    Paper
    
    Slides
  - 15
    
    Modelling beam-beam in the Tevatron
    
    Speaker: Alexander Valishev (Fermilab)
    
    Slides
- 10:00
  
  Coffee break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Theory and Simulations II 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Dr Tatiana Pieloni (CERN)
  - 16
    
    Beam-beam, impedance and damper
    
    Speaker: Alexey Burov (Fermi National Accelerator Lab. (US))
    
    Slides
  - 17
    
    Stability diagrams of colliding beams
    
    Speaker: Xavier Buffat (Ecole Polytechnique Federale de Lausanne (CH))
    
    Paper
    
    Slides
    
    source
  - 18
    
    Beam-beam effects in space charge dominated ion beams
    
    Speaker: Christoph Montag (BNL)
    
    Paper
    
    Slides
    
    source
  - 12:00
    
    Discussions
- Single particle effects (head-on) I 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
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  Convener: Katsunobu Oide (KEK)
  - 19
    
    Beam-beam effects under the influence of external noise
    
    Speaker: kazuhito ohmi (KEK)
    
    Paper
    
    Slides
  - 20
    
    Beam-beam effects with a high pile-up test in the LHC
    
    Speaker: Georges Trad (Universita e INFN, Roma I (IT))
    
    Paper
    
    Slides
  - 21
    
    Measurements of the effect of collisions on transverse beam halo diffusion in the Tevatron and in the LHC
    
    Speaker: Giulio Stancari (Fermi National Accelerator Laboratory)
    
    Paper
    
    Paper sources
    
    Slides
- 16:00
  
  Coffee break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Single particle effects (parasitic) II 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Dr Vladimir Shiltsev (Fermilab)
  - 22
    
    Long range beam-beam effects and experience in the LHC
    
    Speaker: Dr Werner Herr (CERN)
    
    Paper
    
    Slides
    
    source
  - 23
    
    Analysis of long range studies in the LHC - comparison with the model
    
    Speaker: Dobrin Kaltchev (TRIUMF Vancouver, B.C., Canada)
    
    Paper
    
    Slides
  - 24
    
    Experience with long range beam-beam effects in the Tevatron
    
    Speaker: Dr Vladimir Shiltsev (Fermilab)
    
    Paper
    
    Slides
Wednesday 20 March
- Beam-beam Compensation I 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
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  Convener: Dr Wolfram Fischer (BNL)
  - 25
    Status of head-on compensation in RHIC
    
    Speaker: Dr Wolfram Fischer (BNL)
    
    Paper
    
    Slides
    
    2013-0318_BB2013_HOBBC.pdf
    
    2013-0318_BB2013_HOBBC.pptx
    
    wiresatDAFNE.ppt
    
    source
  - 26
    
    Beam-beam compensation studies in the Tevatron
    
    Speaker: Giulio Stancari (Fermi National Accelerator Laboratory)
    
    Paper
    
    Paper sources
    
    Slides
  - 27
    Six-dimensional weak-strong simulations of head-on compensation in RHIC
    
    Speaker: Yun Luo (Brookhaven National Laboratory)
    
    Paper
    
    beamdecay_scan_dIdI0_6D.ps
    
    DA_BB_BBC.ps
    
    DA_BBC_strength.ps
    
    DA_FBBC_tunescan.ps
    
    DA_HBBC_PI_Q2.ps
    
    DA_HBBC_tunescan.ps
    
    offset_beamdecay_1.ps
    
    offset_beamdecay_2.ps
    
    pac11_Gaussian_cut.ps
    
    plot_14.ps
    
    plot_15.ps
    
    plot_16.ps
    
    rhic_bbc_ws_sim.ps
    
    rhic_bbc_ws_sim.tex
    
    RHIC_layout.eps
    
    Slides
- 10:00
  
  Coffee break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Beam-beam Compensation II 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Dr Wolfram Fischer (BNL)
  - 28
    
    Coherent beam-beam effects in experiments and implications for head-on compensation
    
    Speaker: Simon White (BNL)
    
    Paper
    
    paper_source
    
    Slides
  - 29
    
    Long-range experiments in RHIC
    
    Speaker: Rama Calaga (CERN)
    
    Paper
    
    Slides
  - 30
    
    Simulation of long range compensation in the LHC with a wire
    
    Speaker: Tatiana Libera Rijoff (University of Manchester (GB))
    
    Slides
  - 31
    
    10 years of wire excitation experiments in the CERN SPS
    
    Speaker: Dr Frank Zimmermann (CERN)
    
    Paper
    
    Slides
  - 32
    
    DAFNE experience with compensating wires
    
    Speaker: Catia Milardi (INFN - LNF)
    
    Slides
- Operational aspects of beam-beam effects I 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Dr Giulia Papotti (CERN)
  - 33
    
    Needs and requirements from the LHC physics experiments
    
    Speaker: Richard Jacobsson (CERN)
    
    Paper
    
    Slides
  - 34
    Luminosity levelling techniques: implications for beam-beam interactions
    
    Speakers: Bruno Muratori (Daresbury Laboratory, STFC), Dr Tatiana Pieloni (CERN)
    
    Paper
    
    Slides
    
    Luminosity_Levelling_Techniques.pdf
    
    separation.eps
    
    sep_tune.eps
    
    stab1.eps
    
    stab2.eps
  - 35
    
    Implementation and experience with luminosity levelling with offset beams
    
    Speaker: Delphine Jacquet (CERN)
    
    Paper
    
    paper source (word)
    
    Slides
  - 36
    
    Diagnostics needs for beam-beam studies and optimization
    
    Speaker: Rossano Giachino (CERN)
    
    Paper
    
    Slides
- 16:00
  
  Coffee break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Operational aspects of beam-beam effects II 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Dr Giulia Papotti (CERN)
  - 37
    
    Consequences of missing collisions - beam stability and Landau damping
    
    Speaker: Xavier Buffat (Ecole Polytechnique Federale de Lausanne (CH))
    
    Paper
    
    Slides
    
    source
  - 38
    
    Luminosity measurements and optimization - consequences for beam-beam effects
    
    Speaker: Witold Kozanecki (CEA/IRFU,Centre d'etude de Saclay Gif-sur-Yvette (FR))
    
    Slides
  - 39
    
    Observations from LHC operation
    
    Speaker: Michi Hostettler (Universitaet Bern (CH))
    
    Paper
    
    Slides
    
    source
Thursday 21 March
- Strong-strong and coherent beam-beam effects I 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Prof. Leonid Rivkin (Paul Scherrer Institute & EPFL)
  - 40
    
    Detection of coherent beam-beam modes with digitized BPM signals
    
    Speaker: Giulio Stancari (Fermi National Accelerator Laboratory)
    
    Paper
    
    Paper sources
    
    Slides
  - 41
    BTF measurements with beam-beam interactions
    
    Speaker: Paul A. Goergen (TU Darmstadt)
    
    Paper
    
    Proceedings sources
    
    Slides
    
    ICFA-BB2.pdf
    
    ICFA-BB2.ppt
    
    ICFA-BB2.pptx
  - 42
    
    Beam-beam and impedance
    
    Speaker: Simon White (BNL)
    
    Paper
    
    paper_source
    
    Slides
  - 43
    
    Comments on Beam-beam noise and e-lens instability
    
    Speaker: kazuhito ohmi (KEK)
    
    Slides
- 10:00
  
  Coffee break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Strong-strong and coherent beam-beam effects II 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Prof. Leonid Rivkin (Paul Scherrer Institute & EPFL)
  - 44
    
    Coherent beam-beam modes in the LHC
    
    Speaker: Xavier Buffat (Ecole Polytechnique Federale de Lausanne (CH))
    
    Paper
    
    Slides
    
    source
  - 45
    
    Observed beam-beam induced orbit effects at LHC
    
    Speaker: Michaela Schaumann (III. Physikalisches Institut (B)-Rheinisch-Westfaelische Tech.)
    
    Paper
    
    Slides
    
    source
  - 46
    
    Beam-beam effects during the beam dump process
    
    Speaker: Tobias Baer (Hamburg University (DE))
    
    Slides
- Studies for future projects 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
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  Convener: Alexander Valishev (Fermilab)
  - 47
    
    Beam-beam studies for the HL-LHC
    
    Speaker: Alexander Valishev (Fermilab)
    
    Slides
  - 48
    
    Simulation of beam-beam induced emittance growth in the HL-LHC with crab cavities
    
    Speaker: Stefan Paret
    
    Paper
    
    Slides
    
    sources
  - 49
    
    Circular Modes
    
    Speaker: Alexey Burov (Fermi National Accelerator Lab. (US))
    
    Slides
  - 50
    
    Beam-beam effects in the LHeC
    
    Speaker: Daniel Schulte (CERN)
    
    Slides
- 16:00
  
  Coffee break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Studies for future projects 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Alexander Valishev (Fermilab)
  - 51
    
    Beam-beam predictions for SuperKEKB and Large Crossing Angles
    
    Speaker: kazuhito ohmi (KEK)
    
    Slides
  - 52
    
    Beam-beam study of the ERL based e-RHIC
    
    Speaker: Dr Yue Hao (Brookhaven National Laboratory)
    
    Paper
    
    Slides
- 19:00
  
  Workshop Dinner Auberge des Chasseurs, Echenevex (Restaurant)
  
  Auberge des Chasseurs, Echenevex
  
  Restaurant
Friday 22 March
- Summary and Discussion 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Alex Chao (Stanford Linear Accelerator Center)
  - 53
    
    Opening Remarks
    
    Speaker: Alex Chao (Stanford Linear Accelerator Center)
    
    Slides
  - 54
    
    Summary: Observations in hadron colliders
    
    Speakers: Guido Sterbini (CERN), Oliver Bruning (CERN)
    
    Paper
    
    Slides
  - 55
    
    Summary: Observations in lepton colliders
    
    Speaker: John Seeman (SLAC)
    
    Slides
  - 56
    
    Summary: Single particle effects I
    
    Speaker: Katsunobu Oide (KEK)
    
    Slides
  - 57
    
    Summary: Single particle effects II
    
    Speakers: Dr Elias Metral (CERN), Dr Vladimir Shiltsev (Fermilab)
    
    Paper
    
    Slides
- 10:00
  
  Coffee Break 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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- Summary and Discussion 6/2-024 - BE Auditorium Meyrin
  
  6/2-024 - BE Auditorium Meyrin
  
  CERN
  
  114
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  Convener: Alex Chao (Stanford Linear Accelerator Center)
  - 58
    
    Summary: Theory and simulations
    
    Speaker: Dr Tatiana Pieloni (CERN)
    
    Slides
  - 59
    
    Summary: Beam-beam Compensation
    
    Speaker: Dr Wolfram Fischer (BNL)
    
    Slides
  - 60
    
    Summary: Operational aspects
    
    Speaker: Dr Giulia Papotti (CERN)
    
    Slides
  - 61
    
    Summary: Strong-strong and coherent effects
    
    Speaker: Prof. Leonid Rivkin (Paul Scherrer Institute & EPFL)
    
    Slides
  - 62
    
    Summary: Future projects
    
    Speaker: Alexander Valishev (Fermilab)
    
    Slides

ICFA Mini-Workshop on Beam-Beam Effects in Hadron Colliders (BB2013)

6/2-024 - BE Auditorium Meyrin

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Auberge des Chasseurs, Echenevex

Restaurant

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6/2-024 - BE Auditorium Meyrin

CERN