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02-1-1068-2008/2008
Priority:1
Status: New

Physics and Engineering of Feedback Systems in Synchrotrons


Leader:   V.M. Zhabitsky
Deputy:     N.I. Lebedev

Scientific Programme:
High intensity beam stability and beam density increase are actual problems in accelerators. To stabilize high intensity beams against transverse instabilities and to damp beam injection errors the transverse feedback system (TFS) is used in synchrotrons. The TFS damper kicker corrects the transverse momentum of the bunch in accordance with its displacement from the closed orbit at the location of the beam position monitor. The resonance regime of TFS allows damping of particles coherent transverse oscillations initialized by random kicks due to noise and mismatch phenomena in the accelerator devices. The LHC Transverse Feedback System that was designed and constructed with participation of the JINR specialists in the last years is proposed to use for research studies of transverse beam dynamics and regimes of the LHC Damper aimed at obtaining the design and ultimate beam parameters in the LHC as well as for investigations of non-linear regimes of the transverse feedback syst ems, beam dynamics and noise issues. Participation of the JINR specialists in the beam commissioning and tests of the LHC Damper at the LHC machine is stipulated too.
Results of TFS research studies are planned to apply for designing and construction of feedback systems and powerful electronics for accelerators at JINR, including synchrotrons in framework of projects NUCLOTRON-M and NICA, and in partnership institutions.
Expected main results in 2008:
List of Activities
  Activity or Experiment Leader
Status
1. Research studies at the LHC machine with the use of the LHC Damper V.M. Zhabitsky
Data analysis
2. Researches on Beam Dynamics
in Synchrotrons and on TFS
applications in synchrotrons
in framework of projects
NUCLOTRON-M and NICA
V.M. Zhabitsky
Simulation
3. Powerful and Wideband Electronics N.I. Lebedev  

Collaboration
Country or international
organization
City Institute or Laboratory
Bulgaria Sofia INRNE BAS
Germany Darmstadt GSI
Russia Yekaterinburg USTU-UPI
Lesnoy Elektrokhimpribor
CERN Geneva

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