BLM Internal Workshop

Contribution List

1. Introduction to CEBAF BLM System

Brian Freeman

4/23/25, 9:05 AM

Requirements, design, implementation (cover both protection and diagnostics BLMs)

2. Beam Loss Mechanisms

Yves Roblin

4/23/25, 9:30 AM

"1. Beam loss mechanism contributing to downtime
a. What we know (anlaysis, evidence)
b. What we do not know
c. What we need to know
2. Specific beam transport issues contributing to beam losses"

3. Specifications and BLM Calibration Procedure

Jerry Kowall

4/23/25, 10:00 AM

1. BLM system specifications
   a. Are specifications appropriate to prevent damage, activation
   b. Do we understand impact of losses (damage, activation) sufficiently
   well
2. Calibration procedure
   a. Are our calibration procedures appropriate (not too lax or
   conservative)"

4. Analysis of BLM System Performance

Katheryne Price

4/23/25, 11:00 AM

1. Identify and evaluate performance gaps (with goals to protect CEBAF
   and allow tuning)
2. Does the BLM MPS system perform as expected?
   a. Is it overprotecting, under protecting, or works just right?
   b. Do we have unnecessary trips what we think are unwarranted
   c. Do we have accelerator unexpected/unwarranted damages
   d. Do we have unexpected activation of the...

5. BLM System Maintainability and Obsolescence

Roger Araiza

4/23/25, 1:00 PM

1. Are there issues with BLM system maintainability. How can maintenance
   be improved if necessary
2. What are obsolescence issues that need to be addressed"

6. Opportunities for Near-Term Improvements

Jay Benesch (JLab)

4/23/25, 1:20 PM

Identify and evaluate possible near-term, incremental improvements

8. Opportunities for Long Term Improvements, Ops Perspective

Jay Benesch (JLab)

4/23/25, 2:20 PM

9. Upgrade Options (Presenters)

4/23/25, 2:45 PM

Present possible upgrade options for the BLM system, 15 min each: J. Benesch, P. Degtiarenko, …

7. Opportunities for Long Term Improvements, SSG Perspective

Saravanan Anbazhagan (Jefferson Lab)

11. Welcome / Coffee

Eduard Pozdeyev (Jefferson Lab)

12. Workshop Introduction

Eduard Pozdeyev (Jefferson Lab)