Study of Isotope Production in High Power Accelerators: Contents

Study of Isotope Production in High Power Accelerators: Detailed Report

LA--UR--98--5379

K. A. Van Riper

S. G. Mashnik

Los Alamos National Laboratory, Group T-2

W. B. Wilson

Los Alamos National Laboratory, Group T-2

We report on calculations of production rates of 22 radioisotopes at locations throughout the Accelerator Production of Tritium target and blanket assembly for six different beam energies.

Main Report

Tables

Table 1. Isotope Production Reactions and Decay Paths

Tables 2 to 7. Production Rates in Forward and Downstream Blanket Locations for a Beam Energy of

1.0 GeV 1.2 GeV 1.4 GeV 1.6 GeV 1.7 GeV 1.8 GeV

Tables 8 to 13. Production Rates in Beam Cavity and Lateral Blanket Locations for a Beam Energy of

1.0 GeV 1.2 GeV 1.4 GeV 1.6 GeV 1.7 GeV 1.8 GeV

Tables C1a to C6a. Details of Production Rates in Upstream Blanket Location for a Beam Energy of

1.0 GeV 1.2 GeV 1.4 GeV 1.6 GeV 1.7 GeV 1.8 GeV

Tables C1b to C6b. Details of Production Rates in Downstream Blanket Location for a Beam Energy of

1.0 GeV 1.2 GeV 1.4 GeV 1.6 GeV 1.7 GeV 1.8 GeV

Tables C7a to C12a. Details of Production Rates in Beam Cavity Location for a Beam Energy of

1.0 GeV 1.2 GeV 1.4 GeV 1.6 GeV 1.7 GeV 1.8 GeV

Tables C7b to C12b. Details of Production Rates in Lateral Blanket Location for a Beam Energy of

1.0 GeV 1.2 GeV 1.4 GeV 1.6 GeV 1.7 GeV 1.8 GeV

Figures

Figure 1 - The APT Target/Blanket Assembly

Figure 2 - A slice through the middle of the model showing cells where tallies were taken and locations selected for detailed tables.

Figure 3 - Vertical segmenting of tallies.

Figures 4 to 7 - Fluxes for selected locations in the:

Upstream Blanket	Neutron	Proton
Downstream Blanket	Neutron	Proton
Beam Cavity	Neutron	Proton
Lateral Blanket	Neutron	Proton

Figure 8 - A view of the target from the side where the planes are seen edge-on as 5 horizontal lines.

Figure 9 - A view of the full target model from the same perspective

Figures 10 to 21 - Color contours of fluxes:

1.0 GeV	Neutron	Proton
1.2 GeV	Neutron	Proton
1.4 GeV	Neutron	Proton
1.6 GeV	Neutron	Proton
1.7 Gev	Neutron	Proton
1.8 GeV	Neutron	Proton

Figure 22 - Color contours of rate for ^natMg ¹⁸F at a beam energy of 1.7 GeV

Figure 23 - Color contours of rate for ^natXe ¹³¹Cs at a beam energy of 1.7 GeV

Figure 24 - Color contours of rate for ^natNe ²²Na at a beam energy of 1.7 GeV

Figure 25 - A slice through the middle of the model showing locations of cell groupings used in energy and distance dependence studies

Figure 26 - Variation of rate for ^natMg ¹⁸F with beam energy and distance in target/blanket assembly

Figure 27 - Variation of rate for ^natXe ¹³¹Cs with beam energy and distance in target/blanket assembly

Figure 28 - Variation of rate for ^natNe ²²Na with beam energy and distance in target/blanket assembly

Cross Section Plots: PostScript Files Neutron Proton

More Plots of Energy and Distance Variation: PostScript Files

More Production Rate Contours

^nat Al ¹⁸ F	^nat Al ²² Na	^nat Ar ³² P
^nat Ar ³³ P	^nat Ar ³⁵ S	^nat Ar ³² Si
^nat As ⁶⁷ Cu	^nat As ⁶⁷ Ga	^nat As ⁶⁸ Ga
^nat Au ^193m Pt	^nat Au ^195m Pt	^nat Ba ¹³⁷ Cs
^nat Ba ¹³¹ I	^nat Ba ¹³³ Xe	^nat Cl ³² P
^nat Cl ³³ P	^nat Cl ³⁵ S	^nat Cl ³² Si
^nat Cs ¹³¹ I	^nat Cs ¹³³ Xe	^nat F ¹⁸ F
^nat Ga ⁶⁷ Cu	^nat Ge ⁶⁷ Cu	^nat Ge ⁶⁷ Ga
^nat Ge ⁶⁸ Ga	^nat Hg ^193m Pt	^nat Hg ^195m Pt
^nat K ³² P	^nat K ³³ P	^nat K ³⁵ S
^nat K ³² Si	^nat La ¹³⁷ Cs	^nat La ¹³¹ I
^nat Mg ¹⁸ F	^nat Mg ²² Na	^nat Mo ⁹⁵ Nb
^nat Mo ⁸⁹ Sr	^nat Mo ⁹⁰ Y	^nat Mo ⁸⁹ Zr
^nat Mo ⁹⁵ Zr	^nat Na ¹⁸ F	^nat Nb ⁸⁹ Sr
^nat Nb ⁹⁰ Y	^nat Nb ⁸⁹ Zr	^nat Ne ¹⁸ F
^nat Ne ²² Na	^nat O ¹⁸ F	^nat S ³² P
^nat S ³³ P	^nat S ³² Si	^nat Xe ¹³¹ Cs
^nat Xe ¹³⁷ Cs	^nat Xe ¹³¹ I	^nat Y ⁸⁹ Sr
^nat Y ⁸⁹ Zr	^nat Zn ⁶⁷ Cu	^nat Zn ⁶⁷ Ga
^nat Zn ⁶⁸ Ga	^nat Zr ⁸⁹ Sr	^nat Zr ⁹⁰ Y