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Study of the production of $\Lambda_b^0$ and $\barB^0$ hadrons in $pp$ collisions and first measurement of the $\Lambda_b^0\to J/ψ pK^-$ branching fraction

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Publication date 2016
Author Aaij R and others, LHCb collaboration,
Project High Precision CP Violation Physics at LHCb
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Original article (peer-reviewed)

Journal Chin. Phys. C
Volume (Issue) 40
Page(s) 1
Title of proceedings Chin. Phys. C
DOI 10.1088/1674-1137/40/1/011001

Open Access

Type of Open Access Repository (Green Open Access)


The product of the Λ0b (B⎯⎯⎯⎯0) differential production cross-section and the branching fraction of the decay Λ0b→J/ψpK− (B⎯⎯⎯⎯0→J/ψK⎯⎯⎯⎯∗(892)0) is measured as a function of the beauty hadron transverse momentum, pT, and rapidity, y. The kinematic region of the measurements is pT<20 GeV/c and 2.0