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None Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions? 

Forum: Hadronic Processes
Date: 18 Apr, 2017
From: Pierre-Luc Drouin <Pierre-Luc Drouin>

Hi,

I had noticed an issue with the ratio of emitted photons at 1001 keV vs 766 keV for Pa234m (the number of emitted photons at 766 keV is about two times larger than expected).

From my understanding it is due to an issue in the PhotonEvaporation database. When I look at z92.a234 for the energy level 809.907 (that is responsible for the 766 keV gammas), the line for the transition to the ground state has an Ig (3th column) of 0, which is correct, since there is no external gamma for this transition. However, alpha in column 7 is also set to 0, which means that there is no internal conversion for this transition. This is incorrect, since Ic should be about 2.23.

So this seems to cause a major issue with the external gamma emissions. For this specific case, why isn't column 3 set to 1e-8 and the column 7 set to ~2.23/1e-8 = 2.23e8 ? My understanding is that column 7 should never be set to 0 when column 3 is 0, unless Ic is negligible. Otherwise, column 7 should always be set to Ic/1e-8, assuming that a value of 0 in column 3 is forced to 1e-8, as mentioned in the readme file.

Is that right?

Thanks!

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1 None: Re: Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions?   (Pierre-Luc Drouin - 18 Apr, 2017)
2 Question: Re: Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions?   (Vladimir Ivanchenko - 19 Apr, 2017)
1 None: Re: Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions?   (Pierre-Luc Drouin - 19 Apr, 2017)
(_ Idea: Re: Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions?   (Vladimir Ivanchenko - 19 Apr, 2017)
(_ None: Re: Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions?   (Pierre-Luc Drouin - 19 Apr, 2017)
(_ Idea: Re: Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions?   (Vladimir Ivanchenko - 20 Apr, 2017)
(_ None: Re: Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions?   (Pierre-Luc Drouin - 24 Apr, 2017)
(_ None: Re: Bug in PhotonEvaporation Database for Internal Conversion-Only Transitions?   (Pierre-Luc Drouin - 26 Apr, 2017)
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