ALS-U passes CD-1

Uncover the mystery behind the sudden blackout with ALS-U's CD-1 passage. Join us in exploring the dark and intriguing tale of lights out and discover the secrets hidden within the shadows. Dive deep into the unknown as you strive to answer the question on everyone's mind - "Who turned out the lights?" Get ready for a thrilling journey that will keep you on the edge of your seat until the very end.

• Mystery
• Lights out
• ALS-U
• CD-1
• Intriguing tale

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Uploaded on Feb 20, 2025 | 0 Views

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Presentation Transcript

1. ALS-U passes CD-1 Hey! Who turned out the lights?

2. ALS-U: July 2024

3. Multi-bend Achromat (MBA) gradual bend = smaller beam ALS https://als.lbl.gov/als-u/als-u-approach/

4. Multi-bend Achromat (MBA) gradual bend = smaller beam ALS-U ALS https://als.lbl.gov/als-u/als-u-approach/

5. https://als.lbl.gov/als-u/als-u-approach/

6. https://als.lbl.gov/als-u/als-u-approach/

7. Flux at 8.3.1 before & after upgrade 1.4e12 1.3e12 6% better needs justification 1.1e12 1.0e12 15%-30% worse Will happen if we remain quiet Photons/s on sample 8.5e11 7.1e11 5.7e11 4.3e11 2.9e11 1.4e11

8. What this means for MX 12 months of dark, starting July 2024 Plan A: no action 75% of previous flux Hutch move: ~ 480 mm 60 x 80 54 x 84 m beam (horiz x vert) $800k to retain staff Plan B: Join Gemini undulator beamline 15x 30x flux of 8.3.1 15 m 1 m beam $100k = 2 days/year Retain current staff ?

9. Plan for MX Plan C: Optics upgrade for 8.3.1 Multilayer, cryo-cooled mono, diaboloid mirror ~60x flux Beam size 9 x 38 m (horiz x vert) ~$1.6M Plan D: move to SSRL New BL12-1 is multilayer micro-focus Bring Pilatus detector with us $ ? ?? days/year