Eta-b particle

Bottom eta meson ()
Statistics Bosonic
Mass 9388.9+3.1
± 2.7 MeV/c2
Electric charge 0 C
Spin 0

The bottom eta meson () or eta-b meson is a flavorless meson formed from a bottom quark and its antiparticle. It was first observed by the BaBar experiment at SLAC in 2008, and is the lightest particle containing a bottom and anti-bottom quark.

See also


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