Paper |
Title |
Other Keywords |
Page |
MOPF05 |
A Cooling Storage Ring for an Electron-Ion Collider |
electron, ion, simulation, collider |
36 |
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- J. Gerity, P.M. McIntyre
Texas A&M University, College Station, USA
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Electron cooling offers performance advantages to the design of an electron-ion collider. A first design of a 6 GeV/u storage ring for the cooling of ions in MEIC is presented, along with some remarks on the particulars of electron cooling in this ring.
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MOPF12 |
N-body Code to Demonstrate Electron Cooling |
electron, proton, ion, emittance |
59 |
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- S. Abeyratne, B. Erdelyi
Northern Illinois University, DeKalb, Illinois, USA
- B. Erdelyi
ANL, Argonne, USA
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In the Electron Ion Collider (EIC), the collision between the electron beam and the proton, or heavy ion, beam results in emittance growth of the proton beam. Electron cooling, where an electron beam and the proton beam co-propagate, is the desired cooling method to cool or mitigate the emittance growth of the proton beam. The pre-booster, the larger booster, and the collider ring in EIC are the major components that require electron cooling. To study the cooling effect, we previously proposed Particles' High order Adaptive Dynamics (PHAD) code that uses the Fast Multiple Method (FMM) to calculate the Coulomb interactions among charged particles. We further used the Strang splitting technique to improve the code's efficiency and used Picard iteration-based novel integrators to maintain very high accuracy. In this paper we explain how this code is used to treat relativistic particle collisions. We are able calculate the transverse emittances of protons and electrons in the cooling section while still maintaining high accuracy. This presentation will be an update on progress with the parallelization of the code and the current status of production runs.
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