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Feature #258

solid absorber thicknesses

Added by Tunnell, Christopher over 13 years ago. Updated over 13 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Tunnell, Christopher
Start date:
03 December 2010
Due date:
% Done:

100%

Estimated time:

Description

present at analysis group


Files

thickness_tunnell.pdf (139 KB) thickness_tunnell.pdf Tunnell, Christopher, 17 December 2010 14:29
#1

Updated by Tunnell, Christopher over 13 years ago

  • File tunnell_h.pdf added
  • Status changed from Open to Closed
  • % Done changed from 0 to 100

attached thickness numbers.

#2

Updated by Tunnell, Christopher over 13 years ago

  • File deleted (tunnell_h.pdf)
#3

Updated by Tunnell, Christopher over 13 years ago

#4

Updated by Tunnell, Christopher over 13 years ago

todo (though beyond the reach of EB request) present at next analysis meeting the equilibrium emittances so we know how useful each material is.

#5

Updated by Cobb, John over 13 years ago

and consider PTFE.
jhc

#6

Updated by Tunnell, Christopher over 13 years ago

From PDG 2009:

Polytetrafluoroethylene (Teflon)

dE/dx = 1.671 MeV g^{-1} cm^2
density = 2.20 g cm^{-3}

For 10 MeV energy loss, the thickness is:

2.72 cm

Will add this to table (with equilibrium emittances) at next analysis meeting.

Also available in: Atom PDF