Fourth Order Resonances In The Ags Booster Lattice
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Fourth Order Resonances In The Ags Booster Lattice
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Author :
language : en
Publisher:
Release Date : 1986
Fourth Order Resonances In The Ags Booster Lattice written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Overview Of The Structure Resonances In The Ags Booster Lattices
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Author :
language : en
Publisher:
Release Date : 1986
Overview Of The Structure Resonances In The Ags Booster Lattices written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
A Study Of The Coupling Resonances In The Ags Booster
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Author :
language : en
Publisher:
Release Date : 1988
A Study Of The Coupling Resonances In The Ags Booster written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Analytic method is used to analyze the tracking results for the AGS-BOOSTER lattice. We found the amplitude dependence of the tune is very important in understanding characteristic of the tracking result. With the perturbed tune, the effective second order perturbation theory work very well. The method can be used to analyze the optimized operational condition for the lattice. For the Booster, the analysis suggests that chromaticity of -2 and -5 and a minimum unperturbed tune split chemically bond[Delta][nu]°chemically bond> 0.01. At the zero chromaticity point, the required unperturbed tune split is considerably larger in order to obtain a similar performance. 7 refs., 4 figs.
Chromatic Perturbation And Resonance Analysis For The Ags Booster
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Author :
language : en
Publisher:
Release Date : 1987
Chromatic Perturbation And Resonance Analysis For The Ags Booster written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
We have investigated the nonlinear effects with the emphasis on nonlinear resonances. We present some of our findings (e.g., the structure resonances; stop-bandwiths, etc.) for the AGS-Booster Lattice using program HARMON. Comparison with the results obtained from our algorithm ''NONLIN'' is presented.
Observation And Correction Of Resonance Stopbands In The Ags Booster
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Author :
language : en
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Release Date : 1993
Observation And Correction Of Resonance Stopbands In The Ags Booster written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
At the design intensity of 1.5 x 1013 ppp, the space charge tune shift in the AGS Booster at injection has been estimated to be about 0.35. Therefore, the beam is spread over may lower order resonance lines and the stopbands have to be corrected to minimize the amplitude growth by proper compensation of the driving harmonics resulting from random errors. The observation and correction of second and third order resonance stopbands in the AGS Booster, and the establishment of a favorable operating point at high intensity are discussed.
Analysis Of Resonances In The Ags Booster
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Author :
language : en
Publisher:
Release Date : 1986
Analysis Of Resonances In The Ags Booster written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Ags Booster Orbit And Resonance Correction
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language : en
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Release Date : 1989
Ags Booster Orbit And Resonance Correction written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
A large tune-spread due to space charge and strong random eddy current sextupoles exists at injection in the AGS-Booster. As a result, particles in the beam may cross several imperfection resonances that can be caused by random magnet errors. The correction scheme proposed deals with four half-integer stopband resonances, four third order sextupole induced resonances and both the sum and difference linear coupling resonances. All of these resonances can have a chance to be swept through by the beam during injection bunching and the early stage of acceleration. A system of correctors involving skew quadrupoles, trim quadrupoles and sextupoles is described with the capability of correcting all the major resonances involved, simultaneously. Also a closed orbit correction scheme is described which requires, to be effective, a cascade of local 3-magnet bumps. Several magnet imperfections and survey misalignment errors are investigated. 7 refs., 3 figs.
Proceedings Of The 1987 Ieee Particle Accelerator Conference
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Author : Eric R. Lindstrom
language : en
Publisher:
Release Date : 1987
Proceedings Of The 1987 Ieee Particle Accelerator Conference written by Eric R. Lindstrom and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Nuclear engineering categories.
Analysis Of Resonance Driving Imperfections In The Ags Booster
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Author :
language : en
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Release Date : 1994
Analysis Of Resonance Driving Imperfections In The Ags Booster written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
At the design intensity of 1.5 x 1013 ppp, the space charge tune shift in the AGS Booster at injection has been estimated to be about 0.35. The beam tunes are therefore spread over many lower order resonance lines and the associated stopbands must be corrected in order to minimize the amplitude growth due to resonance excitation. This requires proper compensation of the resonance-driving harmonics which result from random magnetic field errors. The observation and correction of second and third order resonance stopbands in the AGS Booster is reviewed, and an analysis of magnetic field imperfections based on the required corrections is given.
The Ags Booster Lattice
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Author :
language : en
Publisher:
Release Date : 1987
The Ags Booster Lattice written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
The AGS Booster has three objectives. They are to increase the space charge limit of the AGS, to increase the intensity of the polarized proton beam by accumulating many linac pulses (since the intensity is limited by the polarized ion source), and to reaccelerate heavy ions from the BNL Tandem Van de Graaff before injection into the AGS. The machine is capable of accelerating protons at 7.5 Hertz from 200 MeV to 1.5 GeV or to lower final energies at faster repetition rates. The machine will also be able to accelerate heavy ions from as low as 1 MeV/nucleon to a magnetic rigidity as high as 17.6 Tesla-meters with a one second repetition rate. As an accumulator for polarized protons, the Booster should be able to store the protons at 200 MeV for several seconds. We expect that the Booster will increase the AGS proton intensity by a factor of four, polarized proton intensity by a factor of twenty to thirty, and will also enable the AGS to accelerate all species of heavy ions (at present the AGS heavy ion program is limited to the elements lighter than sulfur because it can only accelerate fully stripped ions). The construction project started in FY 1985 and is expected to be completed in 1989. The purpose of this paper is to provide a future reference for the AGS Booster lattice.