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/*******************************************************************************
*
* McStas, neutron ray-tracing package
* Copyright (C) 1997-2008, All rights reserved
* Risoe National Laboratory, Roskilde, Denmark
* Institut Laue Langevin, Grenoble, France
*
* Instrument: IncoherentPhonon_test
*
* %Identification
* Written by: Mads Bertelsen
* Date: May 2016
* Origin: Johns Hopkins University, Baltimore
* %INSTRUMENT_SITE: Tests_union
*
* Test of IncoherentPhonon_process
*
* %Description
* Test instrument for the IncoherentPhonon_process physics process from
* V. Laliena, Uni Zaragoza.
*
* Example: comp_select=1 Detector: energy_mon_2_I=1156.84
*
* %Parameters
* comp_select: [] 1: Union components, 2: Incoherent
* sample_radius: [m] Radius of sample
* sample_height: [m] Height of sample
* pack: [ ] Packing factor
* sigma_inc_vanadium: [barns] Incoherent cross-section
* sigma_abs_vanadium: [barns] Absorption cross-section
* Vc_vanadium: [AA^3] Unit cell volume
* geometry_interact: [ ] p_interact for the Union sample
*
*
* %End
*******************************************************************************/
DEFINE INSTRUMENT IncoherentPhonon_test(int comp_select=1, sample_radius=0.01, sample_height=0.03, pack=1,
sigma_inc_vanadium=5.08, sigma_abs_vanadium=5.08, Vc_vanadium=13.827, geometry_interact=0.5,
int nphe_exact=1, int nphe_approx=0, int approx=0, int mph_resum=0,
T=294, density=6.0, M=50.94, sigmaCoh=0.0184, sigmaInc=5.08, string dosfn="dos_meV.txt", nxs=1000, kabsmin=0.1, kabsmax=25,
interact_fraction=-1)
DECLARE
%{
%}
TRACE
COMPONENT init = Union_init()
AT (0,0,0) ABSOLUTE
COMPONENT V_phonon = IncoherentPhonon_process(nphe_exact=nphe_exact, nphe_approx=nphe_approx ,approx=approx, mph_resum=mph_resum,
T=T,density=density,M=M,sigmaCoh=sigmaCoh,sigmaInc=sigmaInc,DOSfn=dosfn,nxs=nxs,kabsmin=kabsmin,kabsmax=kabsmax,interact_fraction=-1)
AT (0,0,0) ABSOLUTE
COMPONENT V = Union_make_material(my_absorption=0,process_string="V_phonon")
AT (0,0,0) ABSOLUTE
COMPONENT a1 = Progress_bar()
AT (0,0,0) ABSOLUTE
COMPONENT source = Source_div(
xwidth=0.06, yheight=0.025,focus_aw=0.5, focus_ah=0.5,
E0 = 20, dE = 0, flux=1E10)
AT (0,0,0) RELATIVE a1 ROTATED (0,0,0) RELATIVE a1
COMPONENT sample_position = Arm()
AT (0,0,1) RELATIVE a1
ROTATED (0,0,0) RELATIVE a1
COMPONENT cylinder_sample_union = Union_cylinder(radius=sample_radius, yheight=sample_height, priority=1, material_string="V",p_interact = geometry_interact)
WHEN(comp_select == 1)
AT (0,0,0) RELATIVE sample_position
ROTATED (0,0,0) RELATIVE sample_position
COMPONENT test_sample = Union_master()
WHEN(comp_select == 1)
AT(0,0,1) RELATIVE a1
COMPONENT Banana_monitor = Monitor_nD(radius=1, yheight=0.3, options="banana, theta limits=[10,170], bins=40",filename="banana.dat",restore_neutron=1)
AT (0,0,0) RELATIVE sample_position
ROTATED (0,0,0) RELATIVE sample_position
COMPONENT arm_ener_1 = Arm()
AT (0,0,0) RELATIVE sample_position
ROTATED (0,45,0) RELATIVE sample_position
COMPONENT energy_mon_1 = E_monitor(
nE = 100, filename = "energy_monitor_1.dat", xwidth = 0.2,
yheight = 0.2, Emin = 0.0, Emax = 55.0,
restore_neutron = 1)
AT (0, 0, 0.5) RELATIVE arm_ener_1
ROTATED (0,0,0) RELATIVE arm_ener_1
COMPONENT arm_ener_2 = Arm()
AT (0,0,0) RELATIVE sample_position
ROTATED (0,-45,0) RELATIVE sample_position
COMPONENT energy_mon_2 = E_monitor(
nE = 100, filename = "energy_monitor_2.dat", xwidth = 0.2,
yheight = 0.2, Emin = 0.0, Emax = 55.0,
restore_neutron = 1)
AT (0, 0, 0.5) RELATIVE arm_ener_2
ROTATED (0,0,0) RELATIVE arm_ener_2
COMPONENT stop = Union_stop()
AT (0,0,0) ABSOLUTE
END
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