The Tevatron collider at Fermilab provides a rich environment
for B spectroscopy. Recently the first direct observation of the B+(c)
meson has reduced its mass uncertainty by two orders of magnitude.
A search for eta_B mesons provides the best limit on its production in
p anti-p colliders. In studies on orbitally excited B_s mesons for
the first time the narrow states could be separated from each other.
The orbitally excited B_s mesons have been observed for the first time.
With the charged Sigma(*)_b a second B baryon could be established beside
the Lambda_b.
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Updated: Friday, 2008 May 02 12:59:51 CDT automatically from input from carol picciolo