Recent advances of strong-strong beam-beam simulation

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In this paper, we report on recent advances in strong-strong beam-beam simulation. Numerical methods used in the calculation of the beam-beam forces are reviewed. A new computational method to solve the Poisson equation on nonuniform grid is presented. This method reduces the computational cost by a half compared with the standard FFT based method on uniform grid. It is also more accurate than the standard method for a colliding beam with low transverse aspect ratio. In applications, we present the study of coherent modes with multi-bunch, multi-collision beam-beam interactions at RHIC. We also present the strong-strong simulation of the luminosity ... continued below

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Qiang, Ji; Furman, Miguel A.; Ryne, Robert D.; Fischer, Wolfram & Ohmi,Kazuhito September 15, 2004.

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In this paper, we report on recent advances in strong-strong beam-beam simulation. Numerical methods used in the calculation of the beam-beam forces are reviewed. A new computational method to solve the Poisson equation on nonuniform grid is presented. This method reduces the computational cost by a half compared with the standard FFT based method on uniform grid. It is also more accurate than the standard method for a colliding beam with low transverse aspect ratio. In applications, we present the study of coherent modes with multi-bunch, multi-collision beam-beam interactions at RHIC. We also present the strong-strong simulation of the luminosity evolution at KEKB with and without finite crossing angle.

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  • 8th International Computational AcceleratorPhysics Conference, St. Petersburg, Russia, June 29 - July 02,2004

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  • Report No.: LBNL--56360
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 859924
  • Archival Resource Key: ark:/67531/metadc787608

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  • September 15, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 1, 2016, 8:24 p.m.

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Qiang, Ji; Furman, Miguel A.; Ryne, Robert D.; Fischer, Wolfram & Ohmi,Kazuhito. Recent advances of strong-strong beam-beam simulation, article, September 15, 2004; (digital.library.unt.edu/ark:/67531/metadc787608/: accessed May 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.