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Advances in Beam Beam Simulation: C++ Version and Parallelization Strategies

This paper discusses the C++ version of the Beam Beam Simulation, which maintains consistency with the standard version. The simulation allows for running on machine clusters or GRID by enabling random seed input. Key developments include the graphical interface for improved user experience and ongoing work on depolarization effects. The paper also addresses space charge effects on Bhabha measurements, showcasing stability and tolerance in parameters. Parallelization needs and issues related to z-shift dependence will be resolved in future updates.

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Advances in Beam Beam Simulation: C++ Version and Parallelization Strategies

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  1. Beam Beam SIMulationP. Bambade, G. Le Meur, C. Rimbault, D. Schulte, F. Touze Guinea-Pig C++ version: Comparisons of main phenomena : C++ version is consistent with standard one (see next slide) Random seed can be passed in argument  enables running GP on machine clusters or GRID Being tested at LAL, distribution imminent (makefile…, CMT ?) Depolarization will be developed in the C++ version Graphical interface for conviviality Is parallelization needed ? Space charge effect on Bhabha measurement: Good stability with sy, Dx, Dy Dependance in sx and sz is seen  tolerance for given L precision Problems with z-shift dependance  going to be fixed.

  2. Disrupted beam particle angles Incoherent pair particle E, Pt spectra Beam Beam SIMulationComparison of standard & C++ GP versions qx logE qy logPt

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