Bottom eta meson

Bottom eta

C parity

+1

The bottom eta meson (
η
_b) or eta-b meson is a

in 2008, and is the lightest particle containing a bottom and anti-bottom quark.

See also

• Eta and eta prime mesons, a similar particle with light quarks.
• Quarkonium, the general name for mesons formed from a quark and the corresponding antiquark.
• List of mesons

References

1. Aubert, B.; et al. (2008). "Observation of the Bottomonium Ground State in the Decay
   ϒ
   (3S)→
   γ
   
   η
   _b". Physical Review Letters. 101 (7): 071801.
   S2CID 17291017
   .
2. Godfrey, S. (2008). "Searching high and low for bottomonium". Physics. Vol. 1. p. 11.
   doi:10.1103/Physics.1.11
   .