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• Purpose of the code :

  The HEADTAIL program simulates the interaction between a single proton or positron bunch and an electron cloud which has built up inside the beam pipe. Coherent single-bunch instabilities and incoherent emittance growth can be studied. The single-bunch wake field due to the electron cloud can be computed. The code can also be used for simulations of conventional impedances and space charge.

  
  

• Authors :

  Frank Zimmermann

  Giovanni Rumolo

  
  

• Contact persons :

  Frank Zimmermann (CERN)

  Giovanni Rumolo (CERN)

  
  

• Programming language :

  C

  
  

• Operating system :

  linux

  
  

• Homepage :

  HEADTAIL home page
  
  

• Simulation code :

  from HEADTAIL home page
  
  

• Examples :

  not available
  
  

• Documentation :

  Practical User Guide for HEADTAIL
  
  

• Special model features :

  Includes chromaticity, octupoles, and collimator wake fields. There exists a switch to run weak-strong simulations in a "repeating" electron-cloud potential.

  
  

• Accelerators for which this code was/is used :

  SPS, LHC, KEKB, CLIC, TESLA, ILC

  
  

• Benchmarking against other codes :

  PEHTS, MOSES

  
  

• Benchmarking against accelerator experiments :

  SPS, PS, KEKB

  
  

• Special programming features :

  
  

• Comments :

  
  

• References :

  Reference page
  
  

• Categories :

  Conventional Instabilities
  Incoherent
  Single-Bunch Instability Simulations
  

Copyright CERN -- Cécile Lapoire, Romain Basset, Frank Zimmermann , Francesco Ruggiero