Scientific article
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Production of ψ(2S) mesons in pp collisions at 1.96 TeV

ContributorsCDF Collaboration
Publication date2009
Abstract

We have measured the differential cross section for the inclusive production of ψ(2S) mesons decaying to μ+μ− that were produced in prompt or B-decay processes from pp collisions at 1.96 TeV. These measurements have been made using a data set from an integrated luminosity of 1.1  fb−1 collected by the CDF II detector at Fermilab. For events with transverse momentum pT(ψ(2S))>2  GeV/c and rapidity |y(ψ(2S))|<0.6 we measure the integrated inclusive cross section σ(pp→ψ(2S)X)⋅Br(ψ(2S)→μ+μ−) to be 3.29±0.04(stat)±0.32(syst)  nb.

Citation (ISO format)
CDF Collaboration. Production of ψ(2S) mesons in pp collisions at 1.96 TeV. In: Physical review. D. Particles, fields, gravitation, and cosmology, 2009, vol. 80, n° 03, p. 031103. doi: 10.1103/PhysRevD.80.031103
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Journal ISSN1550-2368
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