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Code benchmarking

Wolfram Fischer LARP Mini-Workshop on E-Lens Simulations 3 December 2008. Code benchmarking. Benchmarking. Short-term measures to benchmark Only footprints? Tevatron experiments with Gaussian gun Long-term measures to benchmark Beam lifetime Emittance growth

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Code benchmarking

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  1. Wolfram Fischer LARP Mini-Workshop on E-Lens Simulations 3 December 2008 Code benchmarking

  2. Benchmarking Short-term measures to benchmark • Only footprints? • Tevatron experiments with Gaussian gun Long-term measures to benchmark • Beam lifetime • Emittance growth • In simulations tune/coupling/ chromaticity (which other?) should be varied by experimental/operational uncertainty • Free parameters? • What is good enough?

  3. Emittance growth DQ = 0.001 D(DQmin) = 0.001 DQ’ = 2 H.J. KimCM10

  4. Emittance growth A. ValishevEPAC2008

  5. Beam lifetime RHIC benchmark stores: 9981, 9983, 9986, 9989, 9990 5min DQ = 0.001 D(DQmin) = 0.001 DQ’ = 2

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