2000
DOI: 10.1103/physrevlett.84.5478
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Small-Angle Muon and Bottom-Quark Production inpp¯Collisions ats=

Abstract: This Letter describes a measurement of the muon cross section originating from b-quark decay in the forward rapidity range 2.4<| y(&mgr;)|<3.2 in p&pmacr; collisions at sqrt[s] = 1.8 TeV. The data used in this analysis were collected by the D0 experiment at the Fermilab Tevatron. We find that next-to-leading-order QCD calculations underestimate b-quark production by a factor of 4 in the forward rapidity region.

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Cited by 41 publications
(27 citation statements)
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“…We note a significant deviation from the pure back-to-back production, corresponding to ∆φ µµ ≈ π. There is good agreement between the KMS prediction and the experimental data, which shows that for these [101]. The curves are the same as in Fig.…”
Section: Numerical Resultssupporting
confidence: 69%
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“…We note a significant deviation from the pure back-to-back production, corresponding to ∆φ µµ ≈ π. There is good agreement between the KMS prediction and the experimental data, which shows that for these [101]. The curves are the same as in Fig.…”
Section: Numerical Resultssupporting
confidence: 69%
“…In this section we present the numerical results of our calculations and compare them with B-meson production at D0 [36,101], CDF [38,99,100] and UA1 [110].…”
Section: Numerical Resultsmentioning
confidence: 99%
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“…A precise knowledge of charm and bottom quark cross sections and distributions is important in order to assess the accuracy of QCD calculations, but also as a test of theoretical predictions susceptible of being used to estimate backgrounds to new physics searches. This is all the more true since, in the past, early experimental measurements of bottom production at the Fermilab Tevatron seemed to be significantly larger than QCD calculations [1][2][3][4][5][6][7][8][9]. It took a while (see [10,11] for a review) before these discrepancies could be resolved, through improvements in the accuracy of both the experimental measurements [12][13][14] and the theoretical predictions.…”
Section: Introductionmentioning
confidence: 99%
“…At the Tevatron Collider, where the high transverse momentum of the observed B's should also help, the measurements give σ bb too large by a factor at least two. [50,51] The CDF and DZero measurements at the Tevatron are dominantly in the central region of phase space. This will also be true for the LHC experiments ATLAS …”
Section: Bottom Production -Cross Sectionsmentioning
confidence: 99%