| Synthesis
of Light Elements |
|
|
|
|
|
|
|
|
|
| • | Bulk takes
place at around 300 sec |
|||||||
| (which is also
about when n |
||||||||
| spontaneous
decay occurs) and the n |
||||||||
| mass fraction
has fallen to 0.123. So, |
||||||||
| predicted mass
fraction of helium Yp is |
||||||||
| expected to be
twice the n fraction |
||||||||
| (why?): |
||||||||
