Linac Momentum Dump
Ti Window ResultsS.D. Reitzner2/16/2011
Linac Input Params
• 400 MeV protons• Vertex – 350 cm upstream from wall
• Stainless steel pipe 6, 8” diameter• Ti 6Al-4V window 10, 15 mils– 5’, 4’, 2’, -10” from wall
Beam WindowSide View
5’ Sleeve
Total Flux (cm-2 s-1) No Window
FluenceR = 6”Z = 5’dZ = 10 mils
FluenceR = 8”Z = 5’dZ = 10 mils
FluenceR = 8”Z = 5’dZ = 15 mils
FluenceR = 6”Z = 4’dZ = 10 mils
FluenceR = 6”Z = 2’dZ = 10 mils
FluenceZ = -10”dZ = 10 mils
FluenceZ = -10”dZ = 15 mils
Dose Equivalent (mSv/hr) No Window
Dose Equivalent (mSv/h)R = 6”Z = 5’dZ = 10 mils
Dose Equivalent (mSv/h)R = 8”Z = 5’dZ = 10 mils
Dose Equivalent (mSv/h)R = 8”Z = 5’dZ = 15 mils
Dose Equivalent (mSv/h)R = 6”Z = 4’dZ = 10 mils
Dose Equivalent (mSv/h)R = 6”Z = 2’dZ = 10 mils
Dose Equivalent (mSv/h)Z = -10”dZ = 10 mils
Dose Equivalent (mSv/hr) Z = -10”dZ = 15 mils
Dose Residue (mSv/hr) No Window
Dose Residual (mSv/hr) R = 6”Z = 5’dZ = 10 mils
Dose Residual (mSv/hr) R = 8”Z = 5’dZ = 10 mils
Dose Residual (mSv/hr) R = 8”Z = 5’dZ = 15 mils
Dose ResidualR = 6”Z = 4’dZ = 10 mils
Dose ResidualR = 6”Z = 2’dZ = 10 mils
Dose Residual (mSv/hr) Z = -10”dZ = 10 mils
Dose Residual (mSv/hr) Z = -10”dZ = 15 mils
Star Density No Window
Star Density R = 6”Z = 5’dZ = 10 mils
Star DensityR = 8”Z = 5’dZ = 10 mils
Star DensityR = 8”Z = 5’dZ = 15 mils
R = 6”Z = 4’dZ = 10 mils
Star Density
Star DensityR = 6”Z = 2’dZ = 10 mils
Star DensityZ = -10”dZ = 10 mils
Star DensityZ = -10”dZ = 15 mils