blm diagnostic thursday june 19, 2008 jeff dooling jcdooling@anl.gov 1 slac redwood room a/b, slac...
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BLM Diagnostic Thursday June 19, 2008
1 Jeff Dooling
jcdooling@anl.gov
SLAC SLAC Redwood Room A/B, SLACRedwood Room A/B, SLAC
Thursday, June 19, 2008Thursday, June 19, 2008
BLM Testing at APSBLM Testing at APS
Jeff DoolingArgonne National Laboratory
BLM Diagnostic Thursday June 19, 2008
2 Jeff Dooling
jcdooling@anl.gov
Measurements at APS
What do they tell us?
BLM Diagnostic Thursday June 19, 2008
3 Jeff Dooling
jcdooling@anl.gov
Cerenkov Detector (CD) loss monitors in the APS SR
Distributed around the SR, ~1 per sector
Generally on the outboard side ~10 cm from the beam centerline
Small fused-silica, cylindrical radiators (8-mm OD, 8-mm length), V=0.4 cc
Close-coupled to small PMT
BLM Diagnostic Thursday June 19, 2008
4 Jeff Dooling
jcdooling@anl.gov
APS CD
BLM Diagnostic Thursday June 19, 2008
5 Jeff Dooling
jcdooling@anl.gov
CD Loss Signals during Top-UP
BLM Diagnostic Thursday June 19, 2008
6 Jeff Dooling
jcdooling@anl.gov
CD Loss Signals during Top-Up--with large signals the amplitude saturates
but the width keeps growing
BLM Diagnostic Thursday June 19, 2008
7 Jeff Dooling
jcdooling@anl.gov
FO Beam Loss Position Monitor (BLPM)
BLM Diagnostic Thursday June 19, 2008
8 Jeff Dooling
jcdooling@anl.gov
BLPM Loss Signals during Top Up injection
BLM Diagnostic Thursday June 19, 2008
9 Jeff Dooling
jcdooling@anl.gov
Zooming in on the first injection loss case
BLM Diagnostic Thursday June 19, 2008
10 Jeff Dooling
jcdooling@anl.gov
Zooming in further on the first injection loss case
BLM Diagnostic Thursday June 19, 2008
11 Jeff Dooling
jcdooling@anl.gov
LCLS BLM
BLM Diagnostic Thursday June 19, 2008
12 Jeff Dooling
jcdooling@anl.gov
Prototype testing at APS
BLM Diagnostic Thursday June 19, 2008
13 Jeff Dooling
jcdooling@anl.gov
Prototype testing at APS—to go on in S35 and S9
BLM Diagnostic Thursday June 19, 2008
14 Jeff Dooling
jcdooling@anl.gov
Acknowledgments
Bingxin Yang and Bill Berg have contributed many hours to this project
Also need to thank Adam Brill, Matt Kasa, Lester Erwin, Tony Pietryla, Mike Merritt, Liz Moog, and C.Y. Yao
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