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Wednesday Week 2 Lecture

Published byGötz Graf Modified over 6 years ago

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Presentation on theme: "Wednesday Week 2 Lecture"— Presentation transcript:

1 Wednesday Week 2 Lecture
1 Wednesday Week 2 Lecture Jeff Eldred Electron Cloud 1 1 1 1 1

2 2 Electron Cloud 2 2 2 2 2

3 Short-bunch Electron Cloud
3 Short-bunch Electron Cloud Kick Transit Secondary Electrons 3 3 3

4 Long-bunch Electron Cloud
4 Long-bunch Electron Cloud 4 4 4

5 Secondary Electron Yield
5 Secondary Electron Yield 5 5 5

6 Electron Cloud Buildup
6 Electron Cloud Buildup Force on an electron: Total Secondary Electron Yield: Build-up of Electrons: 6 6 6

7 Electron Cloud Build-up
7 Electron Cloud Build-up 7 7 7

8 Electron Cloud Saturation
8 Electron Cloud Saturation Distribution Function: Vlasov Equation: 8 8 8

9 Electron Cloud in Dipoles
9 Electron Cloud in Dipoles Recycler Gradient Dipole Image credit, RR TDR

10 Ecloud Measured in Cornell Dipole
10 Ecloud Measured in Cornell Dipole Credit to Cornell

11 Electron Cloud Trapping in Dipoles
11 Electron Cloud Trapping in Dipoles Recycler Gradient Dipole Image credit, RR TDR Image credit, SLAC Electrons trapped in curved B field lines

12 Electron Cloud Trapping
12 Electron Cloud Trapping Image credit, SLAC Electrons trapped in curved B field lines

13 Electron Cloud in Quadrupole
13 Electron Cloud in Quadrupole

14 Nonlinear Excitation of Beam
14 Nonlinear Excitation of Beam Credit to Balbekov 14 14 14 14 14 14

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