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Overview

Overview. S. Krinsky NSLS-II Stability Workshop April 18-20, 2007. NSLS-II Concept. NSLS-II Machine Concept New Electron Storage Ring Medium Energy (3 GeV) Large Current (500 mA) Superconducting RF Top-Off Operation DBA30 Lattice Ultra-Low Emittance (<1 nm) Damping Wigglers

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Overview

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  1. Overview S. Krinsky NSLS-II Stability Workshop April 18-20, 2007

  2. NSLS-II Concept NSLS-II Machine Concept • New Electron Storage Ring • Medium Energy (3 GeV) • Large Current (500 mA) • Superconducting RF • Top-Off Operation • DBA30 Lattice • Ultra-Low Emittance (<1 nm) • Damping Wigglers • Large Dipole Bend Radius (25 m) • Provision for IR Source • Three-pole wiggler x-ray sources Selected Technical Challenges • Lattice Design: dynamic aperture, energy acceptance • Source Stability: vibrations, thermal issues, feedback • Impedance Budget: Small gap (5 mm) ID tapers, etc • Insertion Device R&D: CPMUs, EPUs, SCUs

  3. Overhead View of NSLS-II Site

  4. NSLS-II Parameters

  5. Horizontal Emittance vs Energy Loss

  6. Source Brightness

  7. Betatron Functions

  8. Half-Superperiod

  9. Outline of Discussion • User Requirements • Conventional Construction • Mechanical Systems • Orbit Feedback • Electrical Systems

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