| Geant4 Cross Reference |
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2 The photo-evaporation database contains nuclea 2 The photo-evaporation database contains nuclear deexcitation data starting
3 from a given nuclear level including informati 3 from a given nuclear level including information on spin of a state and
4 angular moment of a transition in a directory
4 angular moment of a transition in a directory
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6 correlated_gamma of this dataset
6 correlated_gamma of this dataset
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8 ********************************************** 8 **************************************************
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10 A file is divided into sublock, each represent 10 A file is divided into sublock, each representing a level of the isotope.
11 All levels included the ground state are liste 11 All levels included the ground state are listed.
12 Each sublock level start by a line defining th 12 Each sublock level start by a line defining the characteristic of the level.
13 Followed by lines defining the gamma transitio 13 Followed by lines defining the gamma transition from this level to lower levels.
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15 The line defining an energy level of the isoto 15 The line defining an energy level of the isotope contains 6 columns:
16 1) An integer defining the order index of the 16 1) An integer defining the order index of the level starting by 0 for the ground state
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18 2) A string defining floating level (-,+X,+Y 18 2) A string defining floating level (-,+X,+Y,+Z,+U,+V,+W,+R,+S,+T,+A,+B,+C)
19 - string means that it is a non floating le 19 - string means that it is a non floating level.
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21 3) Excitation energy of the level (keV)
21 3) Excitation energy of the level (keV)
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23 4) Level half-life (s). A -1 half-life means a 23 4) Level half-life (s). A -1 half-life means a stable ground state.
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25 5) JPi information of the level. The sign give 25 5) JPi information of the level. The sign gives the parity. A value of 99 is used when the Jpi is
26 missing in the the ENSDF files.
26 missing in the the ENSDF files.
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28 6) n_gammas= Number of possible gammas deexcit 28 6) n_gammas= Number of possible gammas deexcitation channel from the level.
29 n_gammas=O means that no gamma deexcitatio 29 n_gammas=O means that no gamma deexcitation is given in ENSDF data for this level.
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31 After the line defining a level, a serie of n_ 31 After the line defining a level, a serie of n_gammas lines defined the different
32 n_gammas gamma deexcitation.The information co 32 n_gammas gamma deexcitation.The information contains in a gamma line is the following:
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34 1) The order number of the daughter level.
34 1) The order number of the daughter level.
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36 2) The energy of the gamma transition.
36 2) The energy of the gamma transition.
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38 3) The relative gamma emission intensity.
38 3) The relative gamma emission intensity.
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40 4) The multipolarity number with 1,2,3,4,5,6,7 40 4) The multipolarity number with 1,2,3,4,5,6,7 representing E1,M1,E2,M2,E3,M3 monopole transition
41 and 100*Nx+Ny representing multipolarity t 41 and 100*Nx+Ny representing multipolarity transition with Ny and Ny taking the value 1,2,3,4,5,6,7
42 referring to E1,M1,E2,M2,E3,M3,.. For exa 42 referring to E1,M1,E2,M2,E3,M3,.. For example a M1+E2 transition would be written 203.
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45 5) The multipolarity mixing ratio. O means tha 45 5) The multipolarity mixing ratio. O means that either the transition is a E1,M1,E2,M2 transition
46 or the multipolarity mixing ratio is not gi 46 or the multipolarity mixing ratio is not given in ENSDF.
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48 6) Total internal conversion coefficient : alp 48 6) Total internal conversion coefficient : alpha = Ic/Ig
49 Note1: total transition is the sum of gamma 49 Note1: total transition is the sum of gamma de-excitation and internal
50 conversion. Therefore total branchin 50 conversion. Therefore total branching ratio is proportional to
51 (1+alpha)*Ig
51 (1+alpha)*Ig
52 Note2: total branching ratios from a given 52 Note2: total branching ratios from a given level do not always sum up to
53 100%. They are re-normalized interna 53 100%. They are re-normalized internally.
54 Note3: relative probabilities for gamma de- 54 Note3: relative probabilities for gamma de-excitation and internal conversion
55 are 1/(1+alpha) and alpha/(1+alpha) 55 are 1/(1+alpha) and alpha/(1+alpha) respectively
56 7-16) Given only if total internal conversion 56 7-16) Given only if total internal conversion coefficient alpha is not 0
57 Partial conversion probabilities for
57 Partial conversion probabilities for
58 K-shell
58 K-shell
59 L1-3 shells
59 L1-3 shells
60 M1-5 shells
60 M1-5 shells
61 Outer shells (shellID = 9 is u 61 Outer shells (shellID = 9 is used, when applicable)
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