Increasing the AGS polarization: Ann Arbor, Michigan, 6-9 November 2002
American Institute of Physics, 2003 - Science - 114 pages
The Ann Arbor Workshop on Increasing the AGS Polarization discusses the surprising spin effects discovered at lower energy accelerators, making the new multi-hundred-GeV RHIC polarized proton collider especially important. The four Siberian snakes in the two RHIC rings successfully preserved most polarization during acceleration and storage; RHIC's main problem was the low polarization injected from the AGS. The Workshop determined a quick and practical plan for increasing the AGS polarization by using three techniques to overcome the three types of depolarizing resonances.
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First Polarized Proton Collisions at RHIC
Thoughts and Facts from the AGS Polarized Proton Runs during
Overcoming Intrinsic and Coupling Spin Resonances in the AGS
9 other sections not shown
2003 American Institute A. D. Krisch A. M. T. Lin adiabatic AGS Polarization amplitude asymmetry beam polarization Booster Brookhaven National Laboratory closed orbit CNI polarimeter collider component correction dipoles COSY coupling resonances coupling spin resonances deuterons dipole magnet edited by A. D. elastic scattering FIGURE full spin flip GeV/c HERA-p High Energy horizontal and vertical horizontal rf dipole horizontal tune imperfection resonances Increasing the AGS integer intrinsic depolarizing resonances intrinsic spin resonances L.H. Thomas lattice Lehrach linac momentum mrad OPPIS order resonances partial Siberian snake partial snake phase space Phys polarization losses polarization measurements polarized beam Polarized Proton Beam precession Proc pulsed quadrupoles quadrupole magnets resonance condition resonance strength RHIC Roser snake scheme spin matching Spin Physics spin rotation spin tune straight section strong intrinsic resonances superconducting superperiodicity synchrotron tune jump USA Telephone vertical betatron tune vertical rf dipole vertical tune weak intrinsic resonances