<html><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><META name="Author" content="Novell GroupWise WebAccess"></head><body style='font-family: Tahoma, sans-serif; font-size: 13px; '>From what I see, the only scintillating material predefined in GATE is LSO. I also have been attempting to do scintillation simulations with LYSO. All I did was copy the LSO data, and change SCINTILLATIONYIELD to 32000 photons/MeV, FASTTIMECONSTANT to 41 ns, and RINDEX to 1.81 (hardly a difference). I kept RESOLUTIONSCALE, YIELDRATIO, and ABSLENGTH the same as LSO. I suppose I share the same question as you, Ida. What have people been using for these other values? Cheers, Devin Van Elburg ---------------------------- Physics w/ c/ Biomedical Physics Lakehead University >>> Alex Vergara Gil <alexvergaragil@gmail.com> 06/10/15 10:32 AM >>> AFAIK LYSO is a crystal like material, so it is already used in the crystalSD detector, please correct me if I am wrong. So it is better used that way because Geant4 can simulate all kind of crystalline effects and it will be more realistic approach. Regards Alex 2015-06-10 9:07 GMT-04:00, Ida Häggström <ida.haggstrom@umu.se>: > Dear gaters, > > I have just installed version 7.1 of Gate and am including the material > LYSO in the database. First of all, I found previous posts indicating the > definition in GateMaterials.db was not correct, and have thus changed it > to: > > LYSO: d=7.36 g/cm3; n=4 ; state=Solid > +el: name=Lutetium; f=0.714467891 > +el: name=Yttrium; f=0.04033805 > +el: name=Silicon; f=0.063714272 > +el: name=Oxygen; f=0.181479788 > > I also want to add the optical properties of the material to Materials.xml. > Does anyone have proper values for the RINDEX, ABSLENGTH, YIELDRATIO, > FASTCOMPONENT... etc? I think I can probably find values of the > SCINTILLATIONYIELD and also the FASTTIMECONSTANT, but the others I'm not > sure of. > > Thanks in advance! Sincerely, > Ida > _______________________________________________ Gate-users mailing list Gate-users@lists.opengatecollaboration.org http://lists.opengatecollaboration.org/mailman/listinfo/gate-users</body></html>