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Measurement of correlated b−bˉb^- \bar{b} production in p−pˉp^- \bar{p} collisions at s\sqrt{s} = 1960 GeV

Collaboration
Nov, 2007
55 pages
Published in:
  • Phys.Rev.D 77 (2008) 072004
e-Print:
DOI:
Report number:
  • FERMILAB-PUB-07-500-E
Experiments:
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Abstract: (arXiv)
We present a measurement of the correlated bbˉb\bar{b} production cross section. The data used in this analysis were taken with the upgraded CDF detector (CDF II) at the Fermilab Tevatron collider, and correspond to an integrated luminosity of 742 pb−1^{-1}. We utilize muon pairs with invariant mass 5 \leq m_{\mu\mu} \leq 80 \gevcc produced by bbˉb\bar{b} double semileptonic decays. For muons with p_T \geq 3 \gevc and ∣η∣≤0.7|\eta| \leq 0.7, that are produced by bb and bˉ\bar{b} quarks with p_T \geq 2 \gevc and ∣y∣≤1.3|y| \leq 1.3, we measure σb→μ,bˉ→μ=1549±133\sigma_{b\to\mu,\bar{b}\to \mu}= 1549 \pm 133 pb. We compare this result with theoretical predictions and previous measurements. We also report the measurement of σc→μ,cˉ→μ\sigma_{c\to\mu,\bar{c}\to \mu}, a by-product of the study of the background to bbˉb\bar{b} production.
Note:
  • The paper is resubmitted with no modifications with respect to the original submission. Some figures were modified for lettering/numbering size problems in the axis labels
  • 14.65.Dw
  • 14.65.Fy
  • 13.85.Qk
  • 12.38.Qk
  • anti-p p: colliding beams
  • anti-p p: inclusive reaction
  • bottom
  • charm
  • quark: pair production
  • quark: semileptonic decay