MINOS Document 933-v1

Design of the Prototype NuMI Proton Beam Profile Monitor SEM

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John Urish
Updated by:
John Urish
Document Created:
06 Jun 2003, 12:00
Contents Revised:
06 Jun 2003, 12:00
Metadata Revised:
06 Jun 2003, 12:00
Actually Revised:
08 Sep 2006, 21:17
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The NuMI primary proton beam profile will be monitored by a series of
secondary emission monitors (SEM's). The present note describes the design
of a SEM which implements 5 micrometer Ti foils, segmented for X and Y
readout, moving on a sliding gate-valve -like frame. The foil-supporting
frame remains out of the beam during insertion and removal of the device,
permitting insertion without stoppage of the beam. A prototype detector
has been assembled for testing in the MiniBoone 8 GeV transfer line.

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Posted by Sacha E. Kopp

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Sacha Kopp, Marek Proga
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