/******************************************************************************* * McStas instrument definition URL=http://mcstas.risoe.dk * * Instrument: ILL_H53 * * %Identification * Written by: FARHI Emmanuel (farhi@ill.fr) * Date: April 7, 2004 * Origin:ILL * %INSTRUMENT_SITE: ILL * * The H53 curved cold guide at the ILL * * %Description * The H53 curved cold guide at the ILL feeding IN14, IN16, D16, ADAM, CRYO-EDM * * %Example: m=1.2 dlambda=8.5 Detector: H53_P5_Out_Phic_I=1.8081e+10 * * %Parameters * m: [1] m-value of whole guide coating. 0 absorbing, 1 for Ni, 1.2 for Ni58, 2-4 for SM * mip: [1] m-value of in-pile guide coating * lambda: [AA] central wavelength * dlambda: [AA] wavelength half width. Use e.g. 0.8*lambda for white beam * * %End *******************************************************************************/ DEFINE INSTRUMENT ILL_H53(m=1.2, lambda=10, dlambda=9.9, mip=1.2) /* The DECLARE section allows us to declare variables or small */ /* functions in C syntax. These may be used in the whole instrument. */ DECLARE %{ /* HCS (H5) source 'Measured' parameters */ double sT3=413.5,sI3=10.22e12; double sT2=145.8,sI2=3.44e13; double sT1=40.1 ,sI1=2.78e13; /* guide coating parameters */ double gR0 = 1; double gQc = 0.021; double gAlpha = 4.07; double gW = 1.0/300.0; /* gaps and Al windows parameters */ double Al_Thickness = 0.002; double gGap = 0.001; /* guide curvatures */ double gRh = 4000; /* anti-clockwise */ /* guide section parameters (total length/number of elements) */ double L_H53_COM =6.0 /4, Rh_H53_COM =0; double L_H53_C1 =3.5 /3, Rh_H53_C1 =0; double L_H53_C2 =9.5 /7, Rh_H53_C2 =0; double L_H53_C3 =3.0 /3, Rh_H53_C3 =0; double L_H53_P1 =6.0 /4, Rh_H53_P1 =0; double L_H53_P2 =7.5 /5, Rh_H53_P2 =0; double L_H53_P3 =7.5 /5, Rh_H53_P3 =0; double L_H53_P4 =7.5 /5, Rh_H53_P4 =0; double L_H53_P5 =5.5 /3, Rh_H53_P5 =0; double L_H53_P6 =4.295/3, Rh_H53_P6 =0; double L_H53_P7 =0.552/1, Rh_H53_P7 =0; /* capture flux positions from moderator: 21.4 28.4 61.2 */ %} /* The INITIALIZE section is executed when the simulation starts */ /* (C code). You may use them as component parameter values. */ INITIALIZE %{ /* Element rotations = Element length / Curvature Radius * RAD2DEG */ if (gRh) { Rh_H53_C2 = L_H53_C2 /gRh*RAD2DEG; Rh_H53_C3 = L_H53_C3 /gRh*RAD2DEG; Rh_H53_P1 = L_H53_P1 /gRh*RAD2DEG; Rh_H53_P2 = L_H53_P2 /gRh*RAD2DEG; Rh_H53_P3 = L_H53_P3 /gRh*RAD2DEG; Rh_H53_P4 = L_H53_P4 /gRh*RAD2DEG; } printf("Instrument: ILL_H53 (H53@ILL cold guide on HCS).\n"); %} /* Here comes the TRACE section, where the actual */ /* instrument is defined as a sequence of components. */ TRACE /* The Arm() class component defines reference points and orientations */ /* in 3D space. Every component instance must have a unique name. Here, */ /* Origin is used. This Arm() component is set to define the origin of */ /* our global coordinate system (AT (0,0,0) ABSOLUTE). It may be used */ /* for further RELATIVE reference, and even replaced by a Progress_bar */ /* component. Other useful keywords are : ROTATED EXTEND GROUP PREVIOUS */ /* Also think about adding a neutron source ! */ COMPONENT Origin = Progress_bar() AT (0,0,0) ABSOLUTE COMPONENT HCS = Source_gen( radius = 0.21, dist = 2.155, focus_xw = 0.06, focus_yh = 0.12, lambda0 = lambda, dlambda = dlambda, T1 = sT1, I1 = sI1, T2 = sT2, I2 = sI2, T3 = sT3, I3 = sI3, verbose = 1) AT (0, 0, 0) RELATIVE Origin COMPONENT Al_window1 = Al_window(thickness=Al_Thickness) AT (0,0,0.21) RELATIVE HCS COMPONENT Al_window2 = Al_window(thickness=Al_Thickness) AT (0,0,0.61) RELATIVE HCS COMPONENT Al_window3 = Al_window(thickness=Al_Thickness) AT (0,0,0.78) RELATIVE HCS COMPONENT Al_window4 = Al_window(thickness=Al_Thickness) AT (0,0,0.92) RELATIVE HCS COMPONENT Al_window5 = Al_window(thickness=Al_Thickness) AT (0,0,2.15) RELATIVE HCS /* H53-0: L=2.775 m in 1 element. no curvature */ COMPONENT NiGuide = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=2.775, R0=gR0, Qc=gQc, alpha=gAlpha, m=mip, W=gW) AT (0,0,2.155) RELATIVE HCS COMPONENT Al_window6 = Al_window(thickness=Al_Thickness) AT (0,0,2.775+0.01) RELATIVE PREVIOUS /* gap 25 mm */ COMPONENT Al_window7 = Al_window(thickness=Al_Thickness) AT (0,0,0.02) RELATIVE PREVIOUS COMPONENT H53_BOG1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=0.860, R0=gR0, Qc=gQc, alpha=gAlpha, m = mip, W=gW) AT (0,0,2.775+.025) RELATIVE NiGuide /* this is the O.P. Gap 12 mm */ COMPONENT H53_BOG2 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=1.440, R0=gR0, Qc=gQc, alpha=gAlpha, m = mip, W=gW) AT (0,0,0.860+.012) RELATIVE PREVIOUS COMPONENT H53_BOG3 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=0.74, R0=gR0, Qc=gQc, alpha=gAlpha, m = mip, W=gW) AT (0,0,1.44+.012) RELATIVE PREVIOUS COMPONENT Al_window8 = Al_window(thickness=Al_Thickness) AT (0,0,0.74+0.01) RELATIVE PREVIOUS /* gap 75 mm (V.S) */ COMPONENT Al_window9 = Al_window(thickness=Al_Thickness) AT (0,0,0.06) RELATIVE PREVIOUS COMPONENT CarterVS1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=0.499, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,0.74+0.075) RELATIVE H53_BOG3 COMPONENT CarterVS2 = COPY(PREVIOUS) AT (0,0,0.5) RELATIVE PREVIOUS /* H53-COM: Carter COM: L=6 m in 6 elements R horiz=0 m */ COMPONENT H53_COM = Arm() AT (0,0,0.5+0.006) RELATIVE PREVIOUS COMPONENT H53_COM_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_COM_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_COM, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_COM,0) RELATIVE PREVIOUS COMPONENT H53_COM_2 = COPY(PREVIOUS) AT (0,0,L_H53_COM+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_COM,0) RELATIVE PREVIOUS COMPONENT H53_COM_3 = COPY(PREVIOUS) AT (0,0,L_H53_COM+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_COM,0) RELATIVE PREVIOUS COMPONENT H53_COM_4 = COPY(PREVIOUS) AT (0,0,L_H53_COM+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_COM,0) RELATIVE PREVIOUS COMPONENT H53_COM_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_COM+gGap) RELATIVE PREVIOUS /* H53-C1: Carter C1 L=4 m in 3 elements Rh=0 m */ COMPONENT H53_C1 = Arm() AT (0,0,Al_Thickness+0.006) RELATIVE PREVIOUS COMPONENT H53_C1_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_C1_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_C1, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C1,0) RELATIVE PREVIOUS COMPONENT H53_C1_2 = COPY(PREVIOUS) AT (0,0,L_H53_C1+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C1,0) RELATIVE PREVIOUS COMPONENT H53_C1_3 = COPY(PREVIOUS) AT (0,0,L_H53_C1+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C1,0) RELATIVE PREVIOUS COMPONENT H53_C1_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_C1+gGap) RELATIVE PREVIOUS /* IN14: gap 450 mm */ /* H53-4: L=7.973 m in 8 elements Rh=4000 m */ COMPONENT H53_C2 = Arm() AT (0,0,0.450+Al_Thickness) RELATIVE PREVIOUS COMPONENT H53_C2_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_C2_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_C2, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C2,0) RELATIVE PREVIOUS COMPONENT H53_C2_2 = COPY(PREVIOUS) AT (0,0,L_H53_C2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C2,0) RELATIVE PREVIOUS COMPONENT H53_C2_3 = COPY(PREVIOUS) AT (0,0,L_H53_C2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C2,0) RELATIVE PREVIOUS COMPONENT H53_C2_4 = COPY(PREVIOUS) AT (0,0,L_H53_C2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C2,0) RELATIVE PREVIOUS COMPONENT H53_C2_5 = COPY(PREVIOUS) AT (0,0,L_H53_C2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C2,0) RELATIVE PREVIOUS COMPONENT H53_C2_6 = COPY(PREVIOUS) AT (0,0,L_H53_C2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C2,0) RELATIVE PREVIOUS COMPONENT H53_C2_7 = COPY(PREVIOUS) AT (0,0,L_H53_C2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C2,0) RELATIVE PREVIOUS COMPONENT H53_C2_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_C2+gGap) RELATIVE PREVIOUS /* gap 0.0095 m */ /* H53-C3: Carter Cloison C3 L=3 m in 3 elements Rh=4000 m */ COMPONENT H53_C3 = Arm() AT (0,0,Al_Thickness+0.0095) RELATIVE PREVIOUS COMPONENT H53_C3_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_C3_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_C3, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C3,0) RELATIVE PREVIOUS COMPONENT H53_C3_2 = COPY(PREVIOUS) AT (0,0,L_H53_C3+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C3,0) RELATIVE PREVIOUS COMPONENT H53_C3_3 = COPY(PREVIOUS) AT (0,0,L_H53_C3+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_C3,0) RELATIVE PREVIOUS COMPONENT H53_C3_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_C3+gGap) RELATIVE PREVIOUS /* gap .368 m (VTE) */ /* ******************** VTE position. Coming in ILL22 ******************** */ /* H53-P1: Carter Poutre1 L=6 m in 4 elements Rh=4000 m */ COMPONENT H53_P1 = Arm() AT (0,0,0.368+Al_Thickness) RELATIVE PREVIOUS COMPONENT H53_P1_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_P1_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_P1, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P1,0) RELATIVE PREVIOUS COMPONENT H53_P1_2 = COPY(PREVIOUS) AT (0,0,L_H53_P1+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P1,0) RELATIVE PREVIOUS COMPONENT H53_P1_3 = COPY(PREVIOUS) AT (0,0,L_H53_P1+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P1,0) RELATIVE PREVIOUS COMPONENT H53_P1_4 = COPY(PREVIOUS) AT (0,0,L_H53_P1+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P1,0) RELATIVE PREVIOUS COMPONENT H53_P1_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_P1+gGap) RELATIVE PREVIOUS /* H53-P2: Carter Poutre2 L=7.5 m in 5 elements Rh=4000 m */ COMPONENT H53_P2 = Arm() AT (0,0,0.006+Al_Thickness) RELATIVE PREVIOUS COMPONENT H53_P2_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_P2_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_P2, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P2,0) RELATIVE PREVIOUS COMPONENT H53_P2_2 = COPY(PREVIOUS) AT (0,0,L_H53_P2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P2,0) RELATIVE PREVIOUS COMPONENT H53_P2_3 = COPY(PREVIOUS) AT (0,0,L_H53_P2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P2,0) RELATIVE PREVIOUS COMPONENT H53_P2_4 = COPY(PREVIOUS) AT (0,0,L_H53_P2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P2,0) RELATIVE PREVIOUS COMPONENT H53_P2_5 = COPY(PREVIOUS) AT (0,0,L_H53_P2+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P2,0) RELATIVE PREVIOUS COMPONENT H53_P2_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_P2+gGap) RELATIVE PREVIOUS /* H53-P3: Carter Poutre3 L=7.5 m in 5 elements Rh=4000 m */ COMPONENT H53_P3 = Arm() AT (0,0,0.0075+Al_Thickness) RELATIVE PREVIOUS COMPONENT H53_P3_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_P3_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_P3, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P3,0) RELATIVE PREVIOUS COMPONENT H53_P3_2 = COPY(PREVIOUS) AT (0,0,L_H53_P3+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P3,0) RELATIVE PREVIOUS COMPONENT H53_P3_3 = COPY(PREVIOUS) AT (0,0,L_H53_P3+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P3,0) RELATIVE PREVIOUS COMPONENT H53_P3_4 = COPY(PREVIOUS) AT (0,0,L_H53_P3+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P3,0) RELATIVE PREVIOUS COMPONENT H53_P3_5 = COPY(PREVIOUS) AT (0,0,L_H53_P3+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P3,0) RELATIVE PREVIOUS COMPONENT H53_P3_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_P3+gGap) RELATIVE PREVIOUS /* H53-P4: Carter Poutre4 L=7.5 m in 5 elements Rh=4000 m */ COMPONENT H53_P4 = Arm() AT (0,0,0.0075+Al_Thickness) RELATIVE PREVIOUS COMPONENT H53_P4_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_P4_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_P4, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P4,0) RELATIVE PREVIOUS COMPONENT H53_P4_2 = COPY(PREVIOUS) AT (0,0,L_H53_P4+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P4,0) RELATIVE PREVIOUS COMPONENT H53_P4_3 = COPY(PREVIOUS) AT (0,0,L_H53_P4+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P4,0) RELATIVE PREVIOUS COMPONENT H53_P4_4 = COPY(PREVIOUS) AT (0,0,L_H53_P4+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P4,0) RELATIVE PREVIOUS COMPONENT H53_P4_5 = COPY(PREVIOUS) AT (0,0,L_H53_P4+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P4,0) RELATIVE PREVIOUS COMPONENT H53_P4_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_P4+gGap) RELATIVE PREVIOUS /* End of H53. Begining of H53B *************************************** */ /* IN16 position. Gap .500 */ /* H53-P5: Carter Poutre5 L=5 m in 3 elements Rh=0 m */ COMPONENT H53_P5 = Arm() AT (0,0,0.5+Al_Thickness) RELATIVE PREVIOUS COMPONENT H53_P5_In = Al_window(thickness=Al_Thickness) AT (0,0,0) RELATIVE PREVIOUS COMPONENT H53_P5_1 = Guide_gravity( w1=0.06, h1=0.12, w2=0.06, h2=0.12, l=L_H53_P5, R0=gR0, Qc=gQc, alpha=gAlpha, m = m, W=gW) AT (0,0,Al_Thickness+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P5,0) RELATIVE PREVIOUS COMPONENT H53_P5_2 = COPY(PREVIOUS) AT (0,0,L_H53_P5+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P5,0) RELATIVE PREVIOUS COMPONENT H53_P5_3 = COPY(PREVIOUS) AT (0,0,L_H53_P5+gGap) RELATIVE PREVIOUS ROTATED (0,Rh_H53_P5,0) RELATIVE PREVIOUS COMPONENT H53_P5_Out = Al_window(thickness=Al_Thickness) AT (0,0,L_H53_P5+gGap) RELATIVE PREVIOUS COMPONENT H53_P5_Out_Phic = Monitor_nD(options="capture per cm2", xwidth=0.06, yheight=0.12) AT (0,0,0.005) RELATIVE PREVIOUS /* D16 position. Gap .200 */ /* H53-P6: Carter Poutre6 L=4.295x0.120x0.060 m in 3 elements Rh=0 m */ /* ADAM position. gap .524 */ /* H53-P7: Carter Poutre7 L=.552x0.120x0.060 m in 3 elements Rh=0 m */ /* PF1a/CRYO-EDM position. gap .156 */ END