Weapons Neutron Research Facility (WNRF) storage ring system: technical study Page: 4 of 40
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CONTENTS
FOREWORD iv
ASSTRACr 1
1. INT DUCTION 1
A. Background
B. Summary of Storage Ring Development and Operation 2
11. ItafeNE DESIGN
A. Magnet Lattice S
1. Configuration S
2. Alternating-Gradient Pole Tips 1
3. Gradient Trim Coils and Lattice Tune Parameters 12
4. Forbidden Tunes and the PSR Resonance Diagram 12
S. Closed-Orbit Deviations - Errors 14
6. PSR Chroaticity and Sextupole Correction Requirements IS
B. PS Injection System 16
1. Negative Ion Source 16
2. Negative Hydrogen Stripper System 17
C. PS! Extraction System 21
0. PSR Vacuum System 22
1. General Description 22
2. Operation 25
3. Performance 2S
III. THEORETICAL ANALYSES OF POSSIBLE ELECTROMAGETIC EFFECTS IN PSI 26
A. Transverse Space-Charge Effects 27
3. Longitudinal Space-Charge Effect 28
C. Coherent Instabilities 21
1. Longitudinal Resistive Wall Instability 21
2. Transverse Resistive Wall Instability 29
3. Transverse Instability in a Btnched Seam 29
4. Seam Cavity Interaction 30
S. 3eam-Backgroumd Instability 30
IV. INSTRUWENTATION 30
A. Seam Observation and Control 30
. Observational Equipment 31
1. Glow From the Stripper Foil 31
2. Adjustable Deam Targets 31
3. Rogowski Coil 31
4. Pickup Plates and Loops 31
S. Strip Lines Coupled to Sea. 32
6. Fast-Framing, Phased-Array PSR Beam Profile Monitor 32
7. Radio-Frequency Excitation 32
C. Hardware Required 32
REFERENCS 33iii
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Lieber, A. J. Weapons Neutron Research Facility (WNRF) storage ring system: technical study, report, December 1, 1973; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1024109/m1/4/: accessed March 29, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.