Re: [fluka-discuss]: Activity calculation using RESNUCLEI card

From: <>
Date: Mon, 2 May 2016 11:10:13 +0530

> Dear sir,
> Thank you so much for your response.
> Actually I have measured the activity from the peak corresponding to the
> 411 KeV of gamma photon using HPGe detector.
> According to your suggestion i.e. "Residual nuclei are always considered
> at the ground state while the isomeric excited states of gold, with their
> activity toward the decay to the ground state".
> From the last line of your statement what I understand is that this
> isomer(198Au) is surely emitting photons.
> Now, if 197Au absorbs a neutron then other than decaying through beta
> followed by gamma is there any other way of decay to come to ground
> state!!!
> Again, I did the same simulation in vacuum for the pure thermal neutron
> (0.025 eV)where I got only Residual nuclei and no ISOMER (198Au)was
> formed. Is it forming only for high energy neutrons!!!
> One more observation is that, my experimental results are more or less
> (within ±15 %)close to the value shown by the "RESIDUAL NUCLEI" value. The
> total activity obtained from simulation is very high as compared to the
> experimentally observed one.
> But logically still I am not sure which one to take..
> Please if you can check the input file and results once more to solve the
> problem...
> thanks in advance..
> Meghnath

You can manage unsubscription from this mailing list at
Received on Mon May 02 2016 - 08:57:08 CEST

This archive was generated by hypermail 2.3.0 : Mon May 02 2016 - 08:57:10 CEST