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Parametric Study of CSR in the MEIC CCR

Parametric Study of CSR in the MEIC CCR. January 30, 2012. Parameters. p = 54 MeV /c e x=y = 3 mm- mrad e z = (33.3, 66.6, 99.9) ps × 5.4 keV Q bunch = (0.5, 1.0, 1.5, 2.0) nC Run 50,000 particles in elegant Turn CSR on in dipoles (no csrdrift ) Track for 10 turns. 2.0 nC.

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Parametric Study of CSR in the MEIC CCR

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  1. Parametric Study of CSR in the MEIC CCR January 30, 2012

  2. Parameters • p = 54 MeV/c • ex=y = 3 mm-mrad • ez = (33.3, 66.6, 99.9) ps × 5.4 keV • Qbunch = (0.5, 1.0, 1.5, 2.0) nC • Run 50,000 particles in elegant • Turn CSR on in dipoles (no csrdrift) • Track for 10 turns

  3. 2.0 nC • Track bunches with sz=(1.0, 2.0, 3.0) cm for 10 turns at 2.0 nC

  4. 1.5 nC • Track bunches with sz=(1.0, 2.0, 3.0) cm for 10 turns at 1.5 nC

  5. 1.0 nC • Track bunches with sz=(1.0, 2.0, 3.0) cm for 10 turns at 1.0 nC

  6. 0.5 nC • Track bunches with sz=(1.0, 2.0, 3.0) cm for 10 turns at 0.5 nC

  7. 100 Turns sDE/E = 5.4 keV • 0.5 nC with 3 cm long bunch (rms) tracked for 100 turns with CSR sDE/E = 49.8 keV

  8. Increase Dipole Bend Radii • Track for 1 turn (2.0 nC, 1 cm) sDE/E = 6.7 keV nominal sDE/E = 20.5 keV larger bend radii

  9. 1-d model

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