Proceedings of the Workshop on Beam-Beam Effects in Large Hadron Colliders

Geneva, April 12-17, 1999


Note from the Editors

The compilation of these proceedings would not have been possible without the help of the chairmen, scientific secretaries and speakers of all of the sessions. A special thanks must be given to Juliette Thomashausen, who did a fantastic job as workshop secretary, and also to Martine Truchet and Pascal Le Roux, for their great help with the electronic processing of the contributions. The proceedings have been published in paper form (CERN-SL-99-039 AP), and electronically here on WWW.

The papers have been processed using Adobe Acrobat software and Acrobat Reader 3 or later is required.


Table of Contents


Title Page, and Foreword from the Organizers (J. Gareyte, W. Herr, E. Keil, F. Ruggiero)


Plenary Talks


Beam-Beam Effects in the SPS Proton-Antiproton Collider (K. Cornelis)

Tevatron: Past Beam-Beam Experience and Plans for Run-II (P. Bagley)

Experience with Beam-Beam Effects in LEP (W. Herr)

Recent and Past Experience with Beam-Beam Effects in HERA (T. Limberg, et al.)

Recent Beam-Beam Experience with Multiple High-Current Bunches in PEP-II (M. Minty, et al.)

Beam-Beam Design Criteria for LHC (J. Gareyte)

Compensation of Beam-Beam Effects in the Tevatron Collider, Status of R&D Activities at Fermilab (A. Sery, et al.)


Working Group on Coherent or Strong-Strong Beam-Beam Effects


Eigenmodes of Coherent Oscillations in Colliding Beams (Y. Alexahin)

Beam-Beam Issues from the Recent PEP-II Commissioning (M. Placidi)

Collective Beam-Beam Effects in the LHC (S. Krishnagopal)

Beam-Beam Modes for Two Beams with Unequal Tunes (A. Hofmann)


Working Group on Incoherent or Weak-Strong Beam-Beam Effects


Beam-Beam Effects in the LHC (H. Grote)

Filling Schemes, Collision Schedules, and Beam-Beam Equivalence Classes (J. Jowett)

Beam-Beam Collisions and Crossing Angles in RHIC (S. Peggs)

Application of Beam-Beam Interaction to Particle Density Function (T. Koyama)

A 6D Beam-Beam Kick Including Linear Coupling (L. Leunissen, G. Ripken, F. Schmidt)

Influence of Vertical Dispersion and Crossing Angle on the Performance of the LHC (L. Leunissen)

Effects of the Beam-Beam Interactions on the Dynamic Aperture and Amplitude Growth in the LHC (T. Sen, et al.)

Effect of Very Low Frequency Ground Motion on the LHC (L. Vos)

Weak-Strong Beam-Beam Simulations for the LHC (Y. Papaphilippou and F. Zimmermann)

Hadron Beam-Beam Diffusion in 2.5D (T. Satogata and S. Peggs)


Summary Talks


Summary of Working Group on Weak-Strong Beam-Beam Effects (E. Keil)

Strong-Strong Working Group Summary (K. Yokoya)



List of participants

Author Index

Conference photo


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J. Poole, and F. Zimmermann, June 26th, 1999