Parity of the anti neutral kaon

  • Context: Graduate 
  • Thread starter Thread starter MarkusNaslund19
  • Start date Start date
  • Tags Tags
    Kaon Neutral Parity
Click For Summary
SUMMARY

The parity of the anti neutral kaon (K0 bar) is definitively established as (-1). This conclusion is derived from the relationship between parity and orbital angular momentum (L), where the formula P=(-1)^(L+1) applies. Given that the total angular momentum (J) for K0 is 0 and the parity is negative, it follows that both L and the spin (s) must also be zero for the K0 bar, confirming its parity as (-1).

PREREQUISITES
  • Understanding of quantum mechanics principles, specifically angular momentum.
  • Familiarity with meson properties and classifications.
  • Knowledge of parity transformations in particle physics.
  • Basic grasp of the relationship between spin and orbital angular momentum.
NEXT STEPS
  • Research the properties of mesons, focusing on their parity and angular momentum.
  • Study the implications of parity violation in particle physics.
  • Explore the role of angular momentum in quantum mechanics, particularly in particle interactions.
  • Investigate other mesons and their parity to compare with the anti neutral kaon.
USEFUL FOR

Particle physicists, students of quantum mechanics, and researchers interested in meson properties and parity transformations.

MarkusNaslund19
Messages
22
Reaction score
0
Hi, very simple question: What is the parity of the anti neutral kaon?
 
Physics news on Phys.org
You can see here that it is (-1).
http://pdglive.lbl.gov/Rsummary.brl?nodein=S011&sub=Yr&return=MXXX020

Note that for mesons, parity only depends on the orbital angular momentum L as

P=(-1)^(L+1)

but since J=0 for K0, and the parity is negative, that implies that L=0 and s=0 are zero too, therefore they will be zero too for the K0 bar, and the parity will be also (-1).
 
Last edited by a moderator:
Thanks.
 

Similar threads

Undergrad What is the meaning of 'CP violation' in the Cronin and Fitch experiment?
  • · Replies 10 ·
Replies
10
Views
2K
Graduate How could we produce a secondary beam of long neutral kaon
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Possibility of a stable mesonic nucleus
  • · Replies 2 ·
Replies
2
Views
2K
Graduate What are the different types of long-lived hadrons and their properties?
  • · Replies 31 ·
2
Replies
31
Views
3K
Undergrad How Does CP Violation Relate to Matter-Antimatter Asymmetry in the Universe?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why does the long-lived kaon only rarely decay to two pions?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Neutral particle oscillations / quantum number conservation
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Understanding Kaon Antikaon Oscillation through the Two Body Problem
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad New Naming Rules for Exotic Hadrons at the LHC: LHCb Collaboration Paper (2022)
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Kaon discovered by the unusual fork
  • · Replies 3 ·
Replies
3
Views
2K