Measurement of the B meson and b quark cross sections at √ s =1.8 TeV using the exclusive decay B 0 → J /ψ K * (892 ) 0
Measurement of the B meson and b quark cross sections at √ s =1.8 TeV using the exclusive decay B...
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1994-10-01 00:00:00
This paper reports the measurement of the B meson and b quark cross sections through the decay chain B 0 → J /ψ K * (892 ) 0 , J /ψ→ μ + μ - , K * (892 ) 0 → K + π - , using 4.3 pb - 1 of data collected at the Collider Detector at Fermilab in p ¯ p collisions at qrts =1.8 TeV. We obtain σ B =1.5±0.7(stat)±0.6(syst) μb for B 0 mesons with transverse momentum P T >9.0 GeV/ c and rapidity ‖ y ‖<1.0. Using this result, we find σ b =3.7±1.6(stat)±1.5(syst) μb for b quarks with P T >11.5 GeV/ c and rapidity ‖ y ‖<1.0. The b quark cross section is compared to next-to-leading order QCD calculations and previous measurements.
http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.pngPhysical Review DAmerican Physical Society (APS)http://www.deepdyve.com/lp/american-physical-society-aps/measurement-of-the-b-meson-and-b-quark-cross-sections-at-s-1-8-tev-TGxbCWvxPL
Measurement of the B meson and b quark cross sections at √ s =1.8 TeV using the exclusive decay B 0 → J /ψ K * (892 ) 0
This paper reports the measurement of the B meson and b quark cross sections through the decay chain B 0 → J /ψ K * (892 ) 0 , J /ψ→ μ + μ - , K * (892 ) 0 → K + π - , using 4.3 pb - 1 of data collected at the Collider Detector at Fermilab in p ¯ p collisions at qrts =1.8 TeV. We obtain σ B =1.5±0.7(stat)±0.6(syst) μb for B 0 mesons with transverse momentum P T >9.0 GeV/ c and rapidity ‖ y ‖<1.0. Using this result, we find σ b =3.7±1.6(stat)±1.5(syst) μb for b quarks with P T >11.5 GeV/ c and rapidity ‖ y ‖<1.0. The b quark cross section is compared to next-to-leading order QCD calculations and previous measurements.
Journal
Physical Review D
– American Physical Society (APS)
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