vice.elements.element.primordial

Type :: float

The abundance of this element by mass following big bang nucleosynthesis, according to the standard model 1 2 3. This is zero for all elements with the exception of helium, for which it is 0.24672.

Example Code

>>> import vice
>>> vice.elements.Fe.primordial
        0
>>> vice.elements.He.primordial
        0.24672

1

Planck Collaboration et al. (2016), A&A, 594, A13

2

Pitrou et al. (2018), Phys. Rep., 754, 1

3

Pattie et al. (2018), Science, 360, 627