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