Regge Trajectories: What Are They?

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Discussion Overview

The discussion centers around the concept of Regge trajectories, exploring their definition, significance, and relation to particle physics, particularly in the context of meson and baryon resonances. Participants express challenges in finding accessible resources on the topic.

Discussion Character

  • Exploratory, Technical explanation

Main Points Raised

  • One participant seeks clarification on what Regge trajectories are.
  • Another participant suggests that Regge trajectories are relations among the masses of certain particles rather than traditional "trajectories," and offers a blog post for further reading.
  • A different participant notes that Regge trajectories imply a relationship between angular momentum and mass of meson and baryon resonances, and provides a reference to a paper with relevant graphs.
  • Another participant shares a link to a new paper that may contain useful information on the topic.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on a singular definition or understanding of Regge trajectories, indicating that multiple perspectives and interpretations exist.

Contextual Notes

Some participants express difficulty in finding comprehensive resources on Regge trajectories, suggesting a gap in accessible information. There may be assumptions regarding the familiarity of readers with particle physics concepts.

alice137
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what are regge trajectories?
 
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It's a shame that it's hard to find introductions to Regge trajectories on the net. You might try a post on the subject (comparing them to Koide's mass formula) on my blog because I think there's a reasonable explanation, and some links to other sources of information on them:
http://carlbrannen.wordpress.com/2007/12/16/regge-trajectories-and-koides-formula/

In short, Regge trajectories are not "trajectories" as most know the word, but instead are relations among the masses of certain particles.
 
Regge "trajectories" suggest a relation between the angular momentum and
mass of meson and baryon resonances. It's indeed hard to find some decent
information on the internet but this paper has quite a few graphs.

http://arxiv.org/abs/hep-ph/0309075

Regards, Hans
 

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