Slight preponderance of matter on antimatter

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    Antimatter Matter
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Discussion Overview

The discussion revolves around the slight preponderance of matter over antimatter following the Big Bang, exploring potential theories and explanations related to baryogenesis and CP violation.

Discussion Character

  • Exploratory, Debate/contested, Technical explanation

Main Points Raised

  • One participant inquires about the cause of the matter-antimatter imbalance and seeks relevant theories or explanations.
  • Another participant notes that while the question remains open quantitatively, there is qualitative experimental evidence of CP violation that may hint at the matter preponderance.
  • Several participants humorously suggest that a definitive answer to this question could lead to a Nobel Prize.
  • There is a mention of a resource on baryogenesis, indicating interest in further reading on the topic.
  • Some participants express skepticism that CP violation alone can fully explain the matter-antimatter imbalance.
  • One participant acknowledges that the CKM phase is insufficient to resolve the issue, while also apologizing for a previous comment.
  • Another participant points out that some people mistakenly believe the 2008 Nobel Prize provided a complete solution to baryogenesis.

Areas of Agreement / Disagreement

Participants express a mix of humor and skepticism regarding the completeness of current explanations for the matter-antimatter imbalance, indicating that multiple competing views remain and the discussion is unresolved.

Contextual Notes

There are limitations in the discussion regarding the assumptions and definitions surrounding baryogenesis and CP violation, as well as the unresolved nature of the mathematical and theoretical aspects involved.

cosmicpencil
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wats the cause of the slight preponderance of matter on antimatter at the beginning of times,(big bang primordial soup) any relevant theory or explications? thanks
 
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Quantitatively it is an open question. Qualitatively there is experimental evidence that there is a slight difference (C-P violation) between matter and anti-matter reactions which give a hint as to what explains the matter preponderance.
 
Last edited:


if one has answer to this question, then a Nobel Prize is awaiting for you ;-)
 


malawi_glenn said:
if one has answer to this question, then a Nobel Prize is awaiting for you ;-)

some might even go so far as to claim that the 2008 Nobel Prize WAS awarded for the "answer" to this question. :wink:
 


blechman said:
some might even go so far as to claim that the 2008 Nobel Prize WAS awarded for the "answer" to this question. :wink:

yeah but CP violation alone can not solve it.
 


nor can the one CKM phase. i was just being obnoxious.

sorry.
 


blechman said:
nor can the one CKM phase. i was just being obnoxious.

sorry.

It is not your fault that some people say that 2008 nobel prize solves baryogenesis :-)
 

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