Help a science noob: What is a meson?

  • Context: Undergrad 
  • Thread starter Thread starter sciencenoob
  • Start date Start date
  • Tags Tags
    Meson Noob Science
Click For Summary

Discussion Overview

The discussion centers around the concept of mesons in particle physics, with participants seeking to clarify the definition and characteristics of mesons, particularly for those without a strong background in science. The scope includes conceptual understanding and technical explanations.

Discussion Character

  • Exploratory
  • Conceptual clarification

Main Points Raised

  • One participant expresses confusion about the nature of mesons, asking if they are subparticles bound together by other subparticles and how they relate to larger particles.
  • Another participant suggests that understanding the specific aspects of the initial inquiry would help tailor the explanation to the questioner's needs.
  • A participant provides a technical description of mesons, noting they are composed of one quark and one antiquark, and highlights their instability and short lifespan.
  • One participant recommends a simpler version of the Wikipedia article on mesons for better comprehension.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the best way to explain mesons, indicating that multiple approaches and levels of understanding are present in the discussion.

Contextual Notes

The discussion reflects varying levels of familiarity with particle physics concepts, and there are unresolved questions about the relationship between mesons and larger particles, as well as the implications of their instability.

sciencenoob
Messages
2
Reaction score
0
Hello, first post.

I am trying to understand what a meson is. I have googled this and looked at both the wiki page and several intro physics presentations, but the concept is eluding me.

Could someone please explain what a meson is?

Thanks,
sciencenoob
 
Physics news on Phys.org
sciencenoob said:
Hello, first post.

I am trying to understand what a meson is. I have googled this and looked at both the wiki page and several intro physics presentations, but the concept is eluding me.

Could someone please explain what a meson is?

Thanks,
sciencenoob

What exactly did you find and what did you not understand? Without you telling us that, we might give you the very same information that you could not comprehend.

Zz.
 
Thanks ZapperZ for the reply. I am essentially trying to translate the below into English so that a non-science person with no physics background can understand it. I don't really understand any of this, actually. Is a meson a subparticle that is, in turn, bound together by other subparticles, and which somehow combines with something to create larger particles? It seems to be some kind of building block but I do not understand the relationship, further confused by the fact that they are "unstable" and "last only a few hundredths of a microsecond." Thank you.

http://en.wikipedia.org/wiki/Meson

In particle physics, mesons (/ˈmiːzɒnz/ or /ˈmɛzɒnz/) are hadronic subatomic particles composed of one quark and one antiquark, bound together by the strong interaction. Because mesons are composed of sub-particles, they have a physical size, with a radius roughly one femtometre, which is about 2⁄3 the size of a proton or neutron. All mesons are unstable, with the longest-lived lasting for only a few hundredths of a microsecond. Charged mesons decay (sometimes through intermediate particles) to form electrons and neutrinos. Uncharged mesons may decay to photons.
 

Similar threads

  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 13 ·
Replies
13
Views
5K
  • · Replies 6 ·
Replies
6
Views
3K
  • · Replies 8 ·
Replies
8
Views
4K
  • · Replies 3 ·
Replies
3
Views
3K
  • · Replies 1 ·
Replies
1
Views
4K
  • · Replies 2 ·
Replies
2
Views
3K