| Paper |
Title |
Other Keywords |
Page |
| MOPR022 |
Longitudinal Particle Tracking Code for a High Intensity Proton Synchrotron |
emittance, acceleration, space-charge, synchrotron |
110 |
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- M. Yamamoto
JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken, Japan
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We have been developing a longitudinal particle tracking code to design and investigate the beam behavior of the J-PARC proton synchrotrons. The code calculate the longitudinal particle motion with a wake voltage and a space charge effect. The most different point from the other codes is that a synchronous particle motion is calculated from the bending magnetic field pattern. This means the synchronous particle is independent from an acceleration frequency pattern. This feature is useful to check the adiabaticity of the synchrotron. The code also calculates the longitudinal emittance and the filling factor at an rf bucket under the multi-harmonics. We will describe the feature of the code.
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| MOPL025 |
Transient Beam Loading Based Calibration for Cavity Phase and Amplitude Setting |
cavity, linac, controls, resonance |
250 |
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- R. Zeng
ESS, Lund, Sweden
- O. Troeng
Lund University, Lund, Sweden
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Traditional phase scan method for cavity phase and amplitude setting is offline and hard to track the variations of environment and operation points. An alternative beam loading based calibration method is investigated in this paper, which might become useful online/real time calibration method.
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