Measurement of the Bs0 Production Cross Section with Bs0→J/ψϕ Decays in pp Collisions at √s=7 TeV (CROSBI ID 176249)
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Podaci o odgovornosti
Chatrchyan, S. ; ... ; Godinović, Nikola ; Lelas, Karlo ; Pleština, Roko ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Dželalija, Mile ; Brigljević, Vuko ; Đurić, Senka ; Kadija, Krešo ; Morović, Srećko ; ... ; White, A.
engleski
Measurement of the Bs0 Production Cross Section with Bs0→J/ψϕ Decays in pp Collisions at √s=7 TeV
The Bs0 differential production cross section is measured as functions of the transverse momentum and rapidity in pp collisions at √s=7 TeV, using the Bs0→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-1. The Bs0 is reconstructed from the decays J/ψ→μ+μ- and ϕ→K+K- . The integrated Bs0 cross section times Bs0→J/ψϕ branching fraction in the range 8<pTB<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.
CERN; CMS; LHC
The CMS Collaboration
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Podaci o izdanju
84 (5)
2011.
052008-1-052008-16
objavljeno
1550-7998
10.1103/PhysRevD.84.052008