Is there a significant excess in bottom hadroproduction at the tevatron?

  title={Is there a significant excess in bottom hadroproduction at the tevatron?},
  author={Matteo Cacciari and P. Nason},
  journal={Physical review letters},
  volume={89 12},
We discuss the excess in the hadroproduction of B mesons at the Tevatron. We show that an accurate use of up-to-date information on the B fragmentation function reduces the observed excess to an acceptable level. Possible implications for experimental results reporting bottom quark cross sections, also showing an excess with respect to next-to-leading order theoretical predictions, are discussed. 

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