Table of Contents
Collider Preparations for Run II and Beyond Fermi National Accelerator Laboratory HEPAP Subpanel August 11, 1997
Luminosity Formula
Antiproton Production the key to higher luminosity
Outline
Run II Parameters
Run II Luminosity Goal 5?1031 cm?? sec?1 2 fb-1
How higher antiproton intensity will be obtained
Antiproton Production & Cooling
Antiproton Production & Cooling (cont’d)
4-8 GHz Pickup R&D
Test Tank 6 GHz Array
Test Tank
6 GHz Array ?-mode with Absorber
Tevatron Modifications for Run II
Tevatron 1 TeV Upgrade
Proton Removal by Scraping at E0
Critical Run II Issues
Number of Interactions per Crossing
Luminosity Leveled Store
7 rf bucket spacing
Beam-Beam Interaction Considerations
The Need for a Crossing Angle
Longitudinal Distribution of Vertices ?*=0.35 m ?x=?y=136 ?rad
Luminosity Penalty for a Crossing Angle
Beam-Beam Tune Footprint 140 p x 121 pbar 136 ?rad crossing angle 14 cm bunch length
Beam-Beam Tune Footprint 140 p x 121 pbar 136 ?rad crossing angle 37 cm bunch length
Superconducting rf System Parameters
Superconducting RF
Superconducting rf Architechtural Plan for E0
Beyond Run II
Beyond Run II Parameters
Antiproton Production
Slip Stacking Cartoon
Slip Stacking Simulation
Slip Stacking Experiment Combining Two Booster Batches
Antiproton Cooling
Antiproton Cooling
Accumulator to Recycler Beam Transfer (AP-5)
Summary of Plans for Beyond Run II
C0 Low Beta
C0 Low Beta (Continued)
Run II and Beyond Summary
Possible Luminosity Evolution
Tevatron Dipole Magnets Quench Currents
Beam Sweeping Yield versus Sweep Radius
Transverse Cooling in the Debuncher
Momentum Cooling in the Debuncher
TeV33 Stack Tail System
Stacking in the Accumulator
Debuncher Bunch Rotation
Slip Stacking rf Voltage & Frequency
Slip Stacking Beam Loading Voltage
Yield versus Lens Field
C0 Low Beta Conceptual Design
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