Big Bang starting Mass (mater/antimatter)

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The discussion centers on the creation of matter and antimatter during the Big Bang, highlighting that both were initially produced in large quantities but most were annihilated, leaving a slight excess of matter. This asymmetry, crucial for the existence of our universe, is believed to have emerged during the inflationary period before the Hubble expansion. Participants seek resources to quantify the mass involved in matter/antimatter annihilation relative to the remaining matter by the time of Last Scattering, with estimates suggesting an asymmetry of one part in ten billion. Clarification is sought on the timing of the annihilation process, whether it occurred during inflation or Big Bang nucleosynthesis. A recommended resource is the textbook "The Mystery of the Missing Antimatter" by Helen Quinn, which provides insights into these phenomena.
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From how we expect the Big Bang must have developed, huge amounts of both matter and antimatter quarks and electron/positrons were created. Most of the total matter was destroyed in matter/antimatter annihilations. With our resulting universe containing normal matter due to some asymmetry developing with slightly more matter than antimatter.

Presumably the defined mechanism for creating matter/antimatter from the early plasma while gravity weak and strong forces became independent should have created equal amounts of both.
Assuming that defined mechanism is a good one a potential source for the asymmetry allowing the matter needed to establish the world as we now know it might have occurred during the “inflation” process prior to settling into the Hubble expansion we know somewhat better.

Does anyone know a good link or resource that discusses how much mass (matter/antimatter) is expected to have gone into the matter/antimatter annihilation process relative the amount of matter that remained by the time of Last Scattering?
Said another way just how small was the asymmetry between matter/antimatter?

From what I’ve been able to find I’m unclear on when the matter/antimatter annihilation process took place; was it during “Inflation” before 3 minutes, or during Big-Bang nucleosynthesis 3 to 20 minutes or both?
 
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Thanks; looks like just the book I needed to find.
For others interested it is a textbook Pub by Princeton:
The Mystery of the Missing Antimatter by Helen Quinn
539.7
QC 173.3 b.Q85 (2008)
 
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