The Cabibbo-suppressed decay Λ0 b → ψ(2S)pπ − is observed for the first time using a data sample collected by the LHCb experiment in proton-proton collisions corresponding to 1.0, 2.0 and 1.9 fb−1 of integrated luminosity at centre-of-mass energies of 7, 8 and 13 TeV, respectively. The ψ(2S) mesons are reconstructed in the µ +µ − final state. The branching fraction with respect to that of the Λ0 b → ψ(2S)pK− decay mode is measured to be B Λ 0 b → ψ(2S)pπ − B Λ0 b → ψ(2S)pK− = (11.4 ± 1.3 ± 0.2)% , where the first uncertainty is statistical and the second is systematic. The ψ(2S)p and ψ(2S)π − mass spectra are investigated and no evidence for exotic resonances is found
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...
The Cabibbo-suppressed decay Λb0 → ψ(2S)pπ− is observed for the first time using a data sample colle...
The Cabibbo-suppressed decay Λb0 → ψ(2S)pπ− is observed for the first time using a data sample colle...
The Cabibbo-suppressed decay Λb0 → ψ(2S)pπ− is observed for the first time using a data sample colle...
The Cabibbo-suppressed decay Λ b 0 → ψ(2S)pπ− is observed for the first time using a data sample co...
The Cabibbo-suppressed decay Λ b 0 → ψ(2S)pπ− is observed for the first time using a data sample co...
The Cabibbo-suppressed decay Λ b 0 → ψ(2S)pπ− is observed for the first time using a data sample co...
The Λ0 b baryon is the isospin-singlet ground state of a bound system of a beauty quark and two ligh...
The Cabibbo-suppressed decay Λb0→ χc1pπ− is observed for the first time using data from proton-proto...
Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 a...
The Cabibbo-suppressed decay Λb0 → χc1 p π− is observed for the first time using data from proton-pr...
The Cabibbo-suppressed decay Λb0 → χc1 p π− is observed for the first time using data from proton-pr...
Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 a...
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...
The Cabibbo-suppressed decay Λb0 → ψ(2S)pπ− is observed for the first time using a data sample colle...
The Cabibbo-suppressed decay Λb0 → ψ(2S)pπ− is observed for the first time using a data sample colle...
The Cabibbo-suppressed decay Λb0 → ψ(2S)pπ− is observed for the first time using a data sample colle...
The Cabibbo-suppressed decay Λ b 0 → ψ(2S)pπ− is observed for the first time using a data sample co...
The Cabibbo-suppressed decay Λ b 0 → ψ(2S)pπ− is observed for the first time using a data sample co...
The Cabibbo-suppressed decay Λ b 0 → ψ(2S)pπ− is observed for the first time using a data sample co...
The Λ0 b baryon is the isospin-singlet ground state of a bound system of a beauty quark and two ligh...
The Cabibbo-suppressed decay Λb0→ χc1pπ− is observed for the first time using data from proton-proto...
Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 a...
The Cabibbo-suppressed decay Λb0 → χc1 p π− is observed for the first time using data from proton-pr...
The Cabibbo-suppressed decay Λb0 → χc1 p π− is observed for the first time using data from proton-pr...
Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 a...
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...
The decays Λb0 → ψ(2S)pK− and Λb0 → J/ψπ+π−pK− are observed in a data sample corresponding to an int...