Measurement of theBmeson andbquark cross sections at √s=1.8 TeV using the exclusive decayB0→J/ψK

Effective Field Theory approach to heavy quark fragmentation

“…As HQFFs are an essential ingredient in calculations of inclusive heavy meson production at collider experiments, they must be determined with care. The importance of a precise extraction of the HQFF was made clear by the resolution of a fifteen year discrepancy between theory predictions [5][6][7] and data on the transverse momentum spectrum of bottom quarks in hadronic collisions [8][9][10][11][12][13][14][15][16][17][18][19], with data exceeding theory by a factor of 2-3. In Refs.…”

Review of physics results from the Tevatron: Heavy flavor physics

“…Fur-ther work toward understanding quarkonium production included measurements of the Υ production spectrum; [33][34][35] polarization in J/ψ, ψ , and Υ decays; 35,36 and the fractions of J/ψ and Υ that result from χ production. 34,37,38 Measurements of b hadron cross sections were refined, [39][40][41] and correlations 42 between leptons and displaced tracks at both √ s = 1800 and 630 GeV showed that theory properly described the energy scaling and that that the apparent discrepancies between CDF and UA1 had to come from another source. The production fractions of b hadron species were also studied.…”

Angular correlations in beauty production at the Tevatron at √s = 1.96 TeV

“…Measurements of the b quark cross section performed at the Tevatron at √ s = 1.8 TeV by the CDF [24][25][26][27][28][29][30][31][32] and DØ [33][34][35][36] collaborations showed a consistent excess over the predicted cross section and cast some doubt on the accuracy of the NLO calculations. A short run at the Tevatron at √ s = 630 GeV also yielded higher cross section measurements [37,38] than those reported by UA1 (see Fig.…”