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The bb̄ production cross section and angular correlations in pp̄ collisions at √s = 1.8 TeV
- Source :
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 487(3-4)
- Publication Year :
- 2000
-
Abstract
- We present measurements of the bb̄ production cross section and angular correlations using the DO detector at the Fermilab Tevatron pp̄ Collider operating at √s = 1.8 TeV. The b quark production cross section for |y(b)| < 1.0 and p(T)/b > 6 GeV/c is extracted from single muon and dimuon data samples. The results agree in shape with the next-to-leading order QCD calculation of heavy flavor production but are greater than the central values of these predictions. The angular correlations between b and b̄ quarks, measured from the azimuthal opening angle between their decay muons, also agree in shape with the next-to-leading order QCD prediction. (C) 2000 Elsevier Science B.V.
Details
- Language :
- English
- ISSN :
- 03702693
- Volume :
- 487
- Issue :
- 3-4
- Database :
- OpenAIRE
- Journal :
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
- Accession number :
- edsair.od......1064..3287fc2ffe2f9089a6d5351fd3147561