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Title: Modes on a short SPEAR bunch as observed with a streak camera

Technical Report ·
DOI:https://doi.org/10.2172/6570420· OSTI ID:6570420

The longitudinal structure of electron bunches in the storage ring SPEAR on a single pass was studied with time resolution approx. 10 ps. The measuring instrument used is an image-converter streak camera, a specialized device heretofore used mostly by laser workers. Unexpectedly, under some conditions the charge in a single RF bucket breaks up into two short sub-bunches which seem to rotate about a common center in energy-phase space. No evidence is seen for other, higher-frequency structure on the bunches.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
DOE Contract Number:
AC03-76SF00515
OSTI ID:
6570420
Report Number(s):
SLAC-PUB-2696; TRN: 81-009446
Country of Publication:
United States
Language:
English