nuc.setupBEExp

nucleardatapy.nuc.setup_be_exp.be_exp_tables()[source]

Return a list of the tables available in this toolkit for the experimental masses and print them all on the prompt. These tables are the following ones: ‘AME’.

Returns:: The list of tables.
Return type:: list[str].

nucleardatapy.nuc.setup_be_exp.be_exp_versions(table)[source]

Return a list of versions of tables available in this toolkit for a given model and print them all on the prompt.

Parameters:: table (str.) – The table for which there are different versions.
Returns:: The list of versions. If table == ‘AME’: ‘2020’, ‘2016’, ‘2012’.
Return type:: list[str].

class nucleardatapy.nuc.setup_be_exp.setupBEExp(table='AME', version='2020')[source]

Instantiate the experimental nuclear masses from AME mass table.

This choice is defined in the variables table and version.

table can chosen among the following ones: ‘AME’.

version can be chosen among the following choices: ‘2020’, ‘2016’, ‘2012’.

Parameters:

table (str, optional.) – Fix the name of table. Default value: ‘AME’.
version (str, optional.) – Fix the name of version. Default value: 2020’.

Attributes:

D3n(Zref=50)[source]: Compute the three-points odd-even mass staggering (D3p_n) D3n(Z,N) = (-)**N * ( 2*E(Z,N)-E(Z,N+1)-E(Z,N-1) ) / 2

D3p(Nref=50)[source]: Compute the three-points odd-even mass staggering (D3p_n) D3p(Z,N) = (-)**Z * ( 2*E(Z,N)-E(Z+1,N)-E(Z-1,N) ) / 2

S2n(Zref=50)[source]: Compute the two-neutron separation energy (S2n) S2n(Zref,N) = E(Zref,N)-E(Zref,N-2)

S2p(Nref=50)[source]: Compute the two-proton separation energy (S2p) S2p(Z,Nref) = E(Z,Nref)-E(Z-2,Nref)

Zmax

maximum charge of nuclei present in the table.

Type:: Attribute Zmax

dist_nbNuc: attribute number of nuclei discovered per year

dist_year: attribute distribution of years

flagI: Attribute I.

flagInterp: Attribute Interp (interpolation). Interp=’y’ is the nucleushas not been measured but is in the table based on interpolation expressions.otherwise Interp = ‘n’ for nuclei produced in laboratory and measured.

isotones(Nref=50)[source]

Method which find the first and last isotones for N=Nref.

Parameters:: Nref (int, optional. Default: 50.) – Fix the neutron number for the search of isotones.

Attributes:

isotopes(Zref=50)[source]

Method which find the first and last isotopes for Z=Zref.

Parameters:: Zref (int, optional. Default: 50.) – Fix the charge for the search of isotopes.

Attributes:

label: Attribute providing the label the data is references for figures.

nbLine: Attribute with the number of line in the file.

nbNuc: Attribute with the number of nuclei read in the file.

note: Attribute providing additional notes about the data.

nucA: Attribute A (mass of the nucleus).

nucBE: Attribute BE (Binding Energy) of the nucleus.

nucBE_err: Attribute uncertainty in the BE (Binding Energy) of the nucleus.

nucHT: Attribute HT (half-Time) of the nucleus.

nucI: Attribute I (isospin asymmetry):

nucN: Attribute N (number of neutrons of the nucleus).

nucStbl: Attribute stbl. stbl=’y’ if the nucleus is stable (according to the table). Otherwise stbl = ‘n’.

nucSymb: Attribute symb (symbol) of the element, e.g., Fe.

nucYear: Attribute year of the discovery of the nucleus.

nucZ: Attribute Z (charge of the nucleus).

print_outputs()[source]: Method which print outputs on terminal’s screen.

ref: Attribute providing the full reference to the paper to be citted.

select(Amin=0, Zmin=0, interp='n', state='gs', nucleus='unstable', every=1)[source]

Method which select some nuclei from the table according to some criteria.

Parameters:

interp (str, optional. Default = 'n'.) – If interp=’n’, exclude the interpolated nuclei from the selected ones. If interp=’y’ consider them in the table, in addition to the others.
state (str, optional. Default 'gs'.) – select the kind of state. If state=’gs’, select nuclei measured in their ground state.
nucleus (str, optional. Default 'unstable'. It can be set to 'stable', 'longlive' (with LT>10 min), 'shortlive' (with 10min>LT>1 ns), 'veryshortlive' (with LT< 1ns)) – ‘unstable’.
every (int, optional. Default every = 1.) – consider only 1 out of every nuclei in the table.

Attributes:

select_year(year_min=1940, year_max=1960, state='gs')[source]

Method which select some nuclei from the table according to the discovery year.

Parameters:

year_min
year_max
state (str, optional. Default 'gs'.) – select the kind of state. If state=’gs’, select nuclei measured in their ground state.

Attributes:

Here are a set of figures which are produced with the Python sample: /nucleardatapy_sample/nuc_setupBEExp_plot.py

map to buried treasure — The nuclear chart based on AME 2020 table. The different colors correspond to the different measured half-times of nuclei.