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Forum: Crossing Angles for 2 IRs
 Topic: disrupted beam files
disrupted beam files [message #183] Thu, 20 January 2005 08:06
Messages: 2
Registered: November 2004
The large statistics disrupted beam files used for the
2mrad crossing angle study are now available at:

This page includes the particle files for a 500 GeV and
a TeV machine, along with the files for a TeV machine
with 10^10 bunch population and also some photon

Rob Appleby
 Topic: Photon Beam Dump considerations for Headon or 2-mrad IR
Photon Beam Dump considerations for Headon or 2-mrad IR [message #174] Sat, 11 December 2004 12:42
Messages: 12
Registered: November 2004
Location: SLAC
Will there be discussion of photon beam dump considerations for the 2-mrad IR at the MDI Workshop?
This looks like a particularly thorny problem, since the incoming beam has to come thru the high power
(say 1-MegaWatt) beamsstrahlung photon dump. How is the engineering done for that? How are the stringent
vacuum requirements met? The TESLA design seems to have the incoming beam come thru a 1-cm radius beampipe thru a
10-meter long photon beam dump. Can SLAC's Conventional Facilities and Beam Dump Engineering experts consider this to provide comments at the MDI Workshop?
Some References:
  1. TESLA studies:
  2. NLC Studies:

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