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Observation of the $\Lambda^0_b \to J/\psi\Lambda\phi$ decay in proton-proton collisions at $\sqrt s$ = 13 TeV

CMS Collaboration, Florencia Canelli, Benjamin Kilminster, Lea Caminada, Cristina Botta, Thea Aarrestad, Danyyl Brzhechko, Annapaoloa Cosa, Riccardo Del Burgo, Silvio Donato, Jaana Heikkila, Marc Huwiler (+16 others)
2020

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Observation of the Λ 0 b → J/ψΛϕ decay in proton-proton collisions at √ s = 13 TeV (2020). Observation of the Λ 0 b → J/ψΛϕ decay in proton-proton collisions at √ s = 13 TeV. Physics Letters B, 802:135203. 0 b → J/ψ φ decay in proton-proton collisions at √ s = 13 TeV .The CMS Collaboration ⋆ CERN, Switzerland a r t i c l e i n f o a b s t r a c t The observation of the 0 b → J/ψ φ decay is reported using proton-proton collision data collected at √ s = 13 TeV by the CMS experiment at the LHC in
more » ... 018, corresponding to an integrated luminosity of 60 fb −1 . The ratio of the branching fractions B( 0 b ) is measured to be (8.26 ± 0.90 (stat) ± 0.68 (syst) ± 0.11(B)) × 10 −2 , where the first uncertainty is statistical, the second is systematic, and the last uncertainty reflects the uncertainties in the world-average branching fractions of φ and ψ(2S) decays to the reconstructed final states.
doi:10.5167/uzh-196778 fatcat:vdbo6d2kkvb5dnvphbnoxctxvy
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CMS Collaboration, Florencia Canelli, Benjamin Kilminster, Lea Caminada, Cristina Botta, Thea Aarrestad, Danyyl Brzhechko, Annapaoloa Cosa, Riccardo Del Burgo, Silvio Donato, Jaana Heikkila, Marc Huwiler, Arash Jofrehei, Stefanos Leontsinis, Anna Macchiolo, Peter Meiring, Vinicius Mikuni, Marino Missiroli, Umberto Molinatti, Izaak Neutelings, Giorgia Rauco, Peter Robmann, Daniel Salerno, Korbinian Schweiger, Yuta Takahashi, Sebastien Wertz, Alberto Zucchetta, Et Al. "Observation of the $\Lambda^0_b \to J/\psi\Lambda\phi$ decay in proton-proton collisions at $\sqrt s$ = 13 TeV." (2020)