[Gate-users] Yttrium-90 Spectrum

Matthew Strugari matthew.strugari at dal.ca
Wed Mar 16 17:34:57 CET 2022

Hi Nicollas,

To use the Y-90 ion source in GATE<https://opengate.readthedocs.io/en/latest/source_and_particle_management.html?highlight=ion#defining-the-type-of-source>, include the lines below in your macro file. Geant4 radioactive decay uses branching ratio and decay scheme data based on the Evaluated Nuclear Structure Data File<https://www.nndc.bnl.gov/ensdf/>. The Table of Radionuclides<http://www.nucleide.org/DDEP_WG/Nuclides/Y-90_tables.pdf> also has clear information.
/gate/source/NAME/gps/particle ion
/gate/source/NAME/gps/ion 39 90 0 0
/gate/source/NAME/setForcedUnstableFlag true

The fastY90 source would be appropriate for generating quantitative imaging data, i.e. an activity distribution, for convolution dosimetry with a dose kernel. However, it would not be appropriate for use with the DoseActor.


Matthew Strugari
PhD Candidate at Biomedical Translational Imaging Centre - BIOTIC,
5890 University Ave, Halifax, NS, B3K 6R8

From: Gate-users <gate-users-bounces at lists.opengatecollaboration.org> on behalf of Nicollas Goncalves Cavedini <nicollas.cavedini at acad.pucrs.br>
Date: Friday, March 11, 2022 at 15:08
To: gate-users <Gate-users at lists.opengatecollaboration.org>
Subject: [Gate-users] Yttrium-90 Spectrum
CAUTION: The Sender of this email is not from within Dalhousie.
I am a PhD student working with Targeted Radionuclide Therapy and I am interested in radioembolization dosimetry with 90Y. I would like to know if someone has the 90Y spectrum energy emission to share or some guidance on how to start the source. Is the Fast90 tool appropriate for  90Y therapy dosimetry?


Nícollas Gonçalves Cavedini
BSc in Medical Physics - PUCRS
M. Eng. in Electrical Engineering - PUCRS
PhD student in Biomedical Gerontology - PUCRS

Medical Image Computing Laboratory (MEDICOM)
Contact: +55 (51) 99922-9957
Porto Alegre, Brazil.

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