TALYS exercises I Arjan Koning Nuclear Data Section, NAPC

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Presentation transcript:

TALYS exercises I Arjan Koning Nuclear Data Section, NAPC International Atomic Energy Agency, Vienna ICTP-IAEA Workshop on the Evaluation of Nuclear Reaction Data for Applications, Trieste, Italy, October 2-13 2017

Getting TALYS (thanks Michael Fleming) Open a terminal from the pull up menu on the left cd /scratch cp /home/nfs1/smr3151/TALYS-1.8/talys.tar . tar zxf talys.tar (and wait 2 minutes or so) mkdir talys/bin

Installing TALYS

TALYS setup compiler=‘gfortran’ bin=‘/scratch/talys/bin’

Alternative (manual) setup cd talys/source edit machine.f replace the pathname by the total pathname of the structure database on your system save machine.f gfortran –c *.f gfortran *.o –o talys mv talys ~/bin or wherever you want to have the executable

Running the TALYS sample cases Go to the samples/ directory verify Wait for 1-2 hours before all 27 sample cases have finished…….or try your own input files All 27 sample cases are described in the manual, with input files, output files, plots etc. See talys/doc/talys1.8.pdf

TALYS sample cases (see manual) 232Th

TALYS sample cases (see manual)

TALYS sample cases (see manual)

TALYS sample cases (see manual) 19. Unresolved resonance range parameters: n + 136Ba 20. Maxwellian averaged cross section at 30 keV: n + 138Ba 21. Medical isotope production with p + 100Mo 22. Calculations up to 500 MeV for p + 209Bi 23. Neutron multiplicities and fission yields for n + 242Pu 24. Local parameter adjustment for n + 93Nb 25. Direct neutron capture for n + 89Y

Sample 1A: simplest case (1 energy) Cd talys/samples/1/a/new All important results are in the output file

Sample 1: output

Sample 1: output (continued)

Sample 8: residual production with protons cd talys/samples/8/new; talys <input > output (pre-calculated results in talys/samples/8/org)

Residual production c.s. for Fe Plot: xmgrace rp027056.tot

Sample 16: optical model for 120Sn Study impact of changing parameters talys < input >output (about 20-30 seconds) cp totalxs.tot totalxs.org Edit the input file and add the following line: rvadjust n 1.05 This means: increase the radius of the real volume potential by 5% xmgrace totalxs.tot totalxs.org (to see the difference) TALYS has 250 parameters like this (RT*M)

Cu-65: Optical model Copy previous sample case for Sn-120, and change into Cu-65 talys < input >output Retrieve experimental data for total cross sections from EXFOR at IAEA and compare. Sample case 16 has 4 different sub-cases, for 4 different OMP’s. See what the effect is for Cu-65 (i.e. 4 TALYS curves)

Medical isotope production Calculate isotopic yields for p + Sr-88 (case of Haleema Zainab) As function of energy Producing both wanted isotope and impurities For several accelerator characteristics mkdir mysample cd mysample

TALYS input file #Reaction Projectile p Element Sr Mass 88 Energy 1. 40. 0.5 #Medical isotope production Production y Ibeam 0.15 Ebeam 28. Eback 20. Save this input file in ‘input’ and run talys < input > output Next xmgrace rp039087.L01 xmgrace –settype nxy Y039087.tot xmgrace –help for options

Thank you! Thank you!