Abstract:
We present a new measurement of the B+ meson differential cross section dsigma/dpT at sqrt(s)=1960 GeV. The data correspond to an integrated luminosity of 739 pb-1 collected with the upgraded CDF detector (CDF II) at the Fermilab Tevatron collider. B+ candidates are reconstructed through the decay B+-->J/psiK+, with J/psi-->µ+µ-. The integrated cross section for producing B+ mesons with pT>=6 GeV/c and |y|
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