Measurement of the B[subscript s][superscript 0] Production Cross Section with B[subscript s][superscript 0] →J/ψϕ Decays in pp Collisions at √s=7  TeV

Measurement of the B[subscript s][superscript 0] Production Cross Section with B[subscript s][superscript 0] →J/ψϕ Decays in pp Collisions at √s=7  TeV

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The B[subscript s][superscript 0] differential production cross section is measured as functions of the transverse momentum and rapidity in pp collisions at √s=7  TeV, using the B[subscript s][superscript 0] →J/ψϕ decay, and compared with predictions based on perturbative QCD calculations at next-to...

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Bibliographic Details
Main Authors: Alver, Burak Han, Bendavid, Joshua L., Busza, Wit, Butz, Erik M., Cali, Ivan Amos, Chan, M., Dutta, Valentina, Everaerts, Pieter Bruno Bart, Gomez-Ceballos, Guillelmo, Goncharov, Maxim, Hahn, Kristian Allan, Harris, Philip Coleman, Kim, Y., Klute, Markus, Li, W., Ma, Teng, Nahn, Steven, Paus, Christoph M. E., Ralph, Duncan Kelley, Rudolph, Matthew Scott, Stephans, George S. F., Sung, Kevin Kai Hong, Wenger, Edward Allen, Yilmaz, Yetkin, Yoon, A. S., Zanetti, Marco, Lee, Yen-Jie, Loizides, Constantinos, Roland, Gunther M, Sumorok, Konstanty C, Yang, Mingming, Xie, Si, Roland, Christof E, Stoeckli, Fabian, Wolf, Roger, Luckey Jr, P David, Bauer, Gerry P
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: American Physical Society 2012
Online Access:http://hdl.handle.net/1721.1/71192
https://orcid.org/0000-0002-3831-9071
https://orcid.org/0000-0003-3106-4894
https://orcid.org/0000-0001-6332-5839
https://orcid.org/0000-0001-8983-2169
https://orcid.org/0000-0002-6047-4211
https://orcid.org/0000-0003-2593-7767
https://orcid.org/0000-0002-0869-5631
Description
Summary:The B[subscript s][superscript 0] differential production cross section is measured as functions of the transverse momentum and rapidity in pp collisions at √s=7  TeV, using the B[subscript s][superscript 0] →J/ψϕ decay, and compared with predictions based on perturbative QCD calculations at next-to-leading order. The data sample, collected by the CMS experiment at the LHC, corresponds to an integrated luminosity of 40  pb[superscript -1]. The B[subscript s][superscript 0] is reconstructed from the decays J/ψ→μ[superscript +]μ[superscript -] and ϕ→K[superscript +]K[superscript -]. The integrated B[subscript s][superscript 0] cross section times B[subscript s][superscript 0] →J/ψϕ branching fraction in the range 8<p[subscript T][superscript B]<50  GeV/c and |yB|<2.4 is measured to be 6.9±0.6±0.6  nb, where the first uncertainty is statistical and the second is systematic.

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