van Eldik C (2006)
Publication Status: Published
Publication Type: Journal article, Original article
Publication year: 2006
Publisher: American Physical Society
Book Volume: 73
Article Number: 052005
Journal Issue: 5
DOI: 10.1103/PhysRevD.73.052005
A new measurement of the bb̄ production cross section in 920 GeV proton-nucleus collisions is presented by the HERA-B Collaboration. The bb̄ production is tagged via inclusive bottom quark decays into J/ψ mesons by exploiting the longitudinal separation of J/ψ→l+l- decay vertices from the primary proton-nucleus interaction point. Both e+e- and μ+μ- channels are reconstructed for a total of 83±12 inclusive b→J/ψX events found. The combined analysis yields a bb̄ to prompt J/ψ cross section ratio of Δσ(bb̄)ΔσJ/ψ=0.032±0. 005stat±0.004sys measured in the xF acceptance (-0.35
APA:
van Eldik, C. (2006). Improved measurement of the bb̄ production cross section in 920 GeV fixed-target proton-nucleus collisions. Physical Review D - Particles, Fields, Gravitation and Cosmology, 73(5). https://doi.org/10.1103/PhysRevD.73.052005
MLA:
van Eldik, Christopher. "Improved measurement of the bb̄ production cross section in 920 GeV fixed-target proton-nucleus collisions." Physical Review D - Particles, Fields, Gravitation and Cosmology 73.5 (2006).
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