SLAC Redwood Room A/B, SLAC Thursday, June 19, 2008
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BLM Diagnostic Thursday June 19, 2008 1 Jeff Dooling jcdooling@anl. gov SLAC SLAC Redwood Room A/B, SLAC Redwood Room A/B, SLAC Thursday, June 19, 2008 Thursday, June 19, 2008 BLM Testing at APS BLM Testing at APS Jeff Dooling Argonne National Laboratory
description
BLM Testing at APS. Jeff Dooling Argonne National Laboratory. SLAC Redwood Room A/B, SLAC Thursday, June 19, 2008. Measurements at APS. What do they tell us?. Cerenkov Detector (CD) loss monitors in the APS SR. Distributed around the SR, ~1 per sector - PowerPoint PPT Presentation
Transcript of SLAC Redwood Room A/B, SLAC Thursday, June 19, 2008
BLM Diagnostic Thursday June 19, 2008
1 Jeff Dooling
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
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Measurements at APS
What do they tell us?
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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
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CD Loss Signals during Top-UP
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CD Loss Signals during Top-Up--with large signals the amplitude saturates
but the width keeps growing
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FO Beam Loss Position Monitor (BLPM)
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BLPM Loss Signals during Top Up injection
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Zooming in on the first injection loss case
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Zooming in further on the first injection loss case
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Prototype testing at APS—to go on in S35 and S9
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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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