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Title: Strong–strong simulations of combined beam–beam and wakefield effects in the Electron–Ion-Collider

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
ORCiD logo [1];  [2]
  1. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
  2. Brookhaven National Laboratory (BNL), Upton, NY (United States)
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Collective wakefield and beam–beam effects play an important role in accelerator design and operation. These effects can cause beam instability, emittance growth, and luminosity degradation, and warrant careful study during accelerator design. In this paper, we studied the combined wakefield and beam–beam effects in an Electron Ion Collider design using strong–strong simulations. The simulation results show that the nonlinear beam–beam effects help suppress wakefield driven instability in the nominal working tune regime. In other tune regimes, the coherent beam–beam modes interact with the wakefields and cause a beam instability. The simulation results also show the importance of maintaining nominal crab cavity voltage. In conclusion, if the crab cavity voltage drops significantly the beam can become unstable.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
SC0012704; AC02-05CH11231
OSTI ID:
2475476
Report Number(s):
BNL--226301-2024-JAAM; https://escholarship.org/uc/item/2627c5fj; ark:/13030/qt2627c5fj
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Vol. 1069; ISSN 0168-9002
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (12)

A parallel particle-in-cell model for beam–beam interaction in high energy ring colliders journal July 2004
Simulation of beam–beam interaction with crab cavities for LHC upgrade
  • Qiang, J.; Paret, S.; Ratti, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 900, p. 53-59 https://doi.org/10.1016/j.nima.2018.05.055
journal May 2018
Combined influence of beamstrahlung and coupling impedance on beam energy spread and length in future lepton colliders journal October 2020
Beam-beam mode coupling in collision with a crossing angle journal November 2023
Coupling impedance of beam pipes of general cross section journal January 1993
Analysis of Beam-Beam Interactions with a Large Crossing Angle journal March 1995
Fully 3D multiple beam dynamics processes simulation for the Fermilab Tevatron journal February 2010
Six-dimensional beam-beam kick including coupled motion journal December 2000
Simulation of the head-tail instability of colliding bunches journal February 2001
An interplay between beam–beam and beam coupling impedance effects in the Future Circular e+e- Collider journal November 2021
Recent beam-beam experience with multiple high current bunches in PEP-II report February 2000
The Tranft User's Manual report August 2006

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Related Subjects

43 PARTICLE ACCELERATORS
Beam-beam
Electron Ion Collider
Simulation
Wakefield