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Measurement of the B+total cross section and B+differential cross section dσ/dpTin pp̄ collisions at √s=1.8 TeV

  • CDF Collaboration
  • University of Florida
  • Lawrence Berkeley National Laboratory
  • Waseda University
  • Fermi National Accelerator Laboratory
  • The University of Chicago
  • University of Pennsylvania
  • University of Michigan, Ann Arbor
  • Massachusetts Institute of Technology
  • Academia Sinica - Institute of Physics
  • Joint Institute for Nuclear Research
  • University of Tsukuba
  • University of Oxford
  • University of Padua
  • Harvard University
  • University of Rochester
  • Purdue University
  • Johns Hopkins University
  • University of California at Davis
  • National Institute for Nuclear Physics
  • University of Pisa
  • University of Trieste
  • University of Glasgow
  • University of Wisconsin-Madison
  • Duke University
  • Brandeis University
  • Rockefeller University
  • Argonne National Laboratory
  • University of California at Los Angeles

Research output: Contribution to journalArticlepeer-review

82 Scopus citations

Abstract

We present measurements of the B+meson total cross section and differential cross section dσ/dpT. The measurements use a 98±4 pb-1sample of pp̄ collisions at √s=1.8 TeV collected by the CDF detector. Charged B meson candidates are reconstructed through the decay B±→J|ψ±with J|ψ→µ+µ-. The total cross section, measured in the central rapidity region |y|<1.0 for pT(B)>6.0 GeV/c, is 3.6±0.6(stat ⊕ syst) µb. The measured differential cross section is substantially larger than typical QCD predictions calculated to next-to-leading order.

Original languageEnglish
Article number052005
JournalPhysical Review D
Volume65
Issue number5
DOIs
StatePublished - 2002

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