Table of Contents
Luminosity Upgrade Projects Fermi National Accelerator Laboratory DOE Annual ProgramReview April 1-3, 1997
Luminosity Formula
Outline
Run II Parameters
Run II Luminosity Goal 2?1032 cm?? sec?1
How higher antiproton intensity will be obtained
Antiproton Production
Beam Sweeping Yield versus Sweep Radius
Debuncher Cooling AIP
4-8 GHz Pickup R&D
4-8 GHz Pickup E-Field Over Full Length
4-8 GHz Pickup E-Field at a Slot
Stack Tail
Accumulator Lattice Modification
Proton Source
Tevatron Modifications
Tevatron 1 TeV Upgrade (Possible Elements)
Proton Removal by Scraping at E0
Need for Bump Kicker Magnet
Need for Short Batch Kicker
Multi-bunch Coalescing Intensities
Reliability Modifications Including Diagnostics
Controls Modifications
Critical Run II Issues
7 rf bucket Bunch Spacing & Crossing Angles
7 rf bucket spacing
The Need for a Crossing Angle
Luminosity vs Crossing Angle
Linear Beam-Beam Tune Shift with Crossing Angle Effect
Longitudinal Distribution of Vertices for ?*=0.5 m
Tune Spread 0 ?rad Crossing Angle
Tune Spread 100 ?rad Crossing Angle
Tune Spread 170 ?rad Crossing Angle
Beam-Beam Tune Spread 100 ?rad Crossing Angle
Beam-Beam Tune Spread 170 ?rad Crossing Angle
Beam-Beam Interaction Considerations
Design for 7 rf bucket spacing
C0 Low Beta
C0 Low Beta (Continued)
C0 Low Beta (Continued)
C0 Low Beta Conceptual Design
C0 Low Beta Magnet Gradients
Goal of TeV33
Elements of TeV33
Elements of TeV33 (Continued)
Antiproton Production the key to higher luminosity
Luminosity versus Time For a Nominal Store
Antiproton Intensity versus Time in a Store
Antiproton Requirements
Luminosity Leveling
Luminosity Leveling
Antiproton Production
Slip Stacking Cartoon
Slip Stacking Simulation
Debuncher Bunch Rotation
Slip Stacking rf Voltage & Frequency
Slip Stacking Beam Loading Voltage
Slip Stacking Issues (in progress)
Yield versus Lens Field
Cooling Issues
Transverse Cooling in the Debuncher
Momentum Cooling in the Debuncher
TeV Dipole Magnets Quench Currents
TeV33 Stack Tail System
Stacking in the Accumulator
Future Plans
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