TITLE * Set the defaults for precision simulations DEFAULTS PRECISIO * Define the beam characteristics BEAM -0.0001 17.7 0.0 -1.0NEUTRON * Define the beam position BEAMPOS 0.0 0.0 -50. GEOBEGIN COMBNAME 0 0 * Black body SPH blkbody 0.0 0.0 0.0 100000.0 * Void sphere SPH void 0.0 0.0 0.0 10000.0 * room SPH room 0.0 0.0 0.0 100. * HDPE sphere SPH hdpe 0.0 0.0 0.0 17.7 * metal sphere SPH msphere 0.0 0.0 0.0 3.8 * detector in origin RPP dtctr1 -1. 1. -1. 1. -.25 .25 END * Black hole BLKBODY 5 +blkbody -void * Void around VOID 5 +void -room * room room 5 +room -hdpe * HDPE HDPE 5 +hdpe -msphere * metal insert metal 5 +msphere-dtctr1 * detector detectr1 5 +dtctr1 END GEOEND * ..+....1....+....2....+....3....+....4....+....5....+....6....+....7.. ASSIGNMA BLCKHOLE BLKBODY ASSIGNMA VACUUM VOID ASSIGNMA VACUUM room ASSIGNMA LEAD metal ASSIGNMA Polyethy HDPE ASSIGNMA LiF detectr1 1. MATERIAL 3. 0.534 6.Li MATERIAL 9. 0.0015803 FLUORINE * 221 Polyethylene, Marlex * Density variation of polyethylene is 0.91 - 1.05 g/cm3. "Low" density is * 0.920, "medium" is .93, and "high" is .95. Special polyethelene is made * for nuclear shielding, and this has loaded densities up to 1.08. * Chemical H H * Formula : | | * |C H | ---- C -- C ---- * | 2 4|n | | * H H MATERIAL 0.95 Polyethy COMPOUND 4.0 HYDROGEN 2.0 CARBON Polyethy MATERIAL 2.52 LiF COMPOUND 1.0 Li 1.0 FLUORINE LiF LOW-MAT Li 3. 6. 296. LITHIU-6 LOW-MAT FLUORINE 9. 19. 296. FLUORINE IONTRANS HEAVYION PHYSICS 3. EVAPORAT USRBIN 12. ENERGY -21. aenergy USRBIN detectr1 & AUXSCORE USRBIN 4-HELIUM aenergy USRBIN 12. 4-HELIUM -22. alpha USRBIN detectr1 & RESNUCLE 3. -36. detectr1 * Set the random number seed RANDOMIZ 1. * Set the number of primary histories to be simulated in the run START 1E06 STOP