Zobrazeno 1 - 5
of 5
pro vyhledávání: '"H. M. Bizek"'
Publikováno v:
Proceedings of International Conference on Particle Accelerators.
The limitations on the dynamic aperture of the Advanced Photon Source storage ring due to magnet misalignments and fabrication errors are presented. The reduction of the dynamic aperture is analyzed first for each error considered individually, and t
Publikováno v:
Conference Record of the 1991 IEEE Particle Accelerator Conference.
The orbit functions for the Advanced Photon Source storage ring have been studied using the simulation code RACETRACK. Nonlinear elements are substituted into the storage ring lattice to simulate the effects of construction and alignment errors in th
Publikováno v:
Conference Record of the 1991 IEEE Particle Accelerator Conference.
The individual tolerance limits for alignment errors and magnet fabrication errors in the 7-GeV Advanced Photon Source storage ring are determined by computer-simulated tracking. Limits are established for dipole strength and roll errors, quadrupole
Autor:
H. M. Bizek
Publikováno v:
Proceedings of the 1997 Particle Accelerator Conference (Cat. No.97CH36167).
With the advent of synchrotron radiation sources, the issue of beam lifetime becomes increasingly important. Users of these machines need to perform experiments which seldom last 15 minutes, but require hours for their completion. Therefore, the beam
Autor:
H. M. Bizek
Publikováno v:
Proceedings Particle Accelerator Conference.
When a positron's energy deviation /spl delta/E/E exceeds the RF acceptance, or when it receives an angular kick for the betatron motion that exceeds some limiting admittance, the positron will be lost. The main contributions to the total beam lifeti