P. Collins

Observation of the ${{{\varLambda } ^0_{b}} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\varXi } ^-} {{K} ^+} }$ and ${{{{\varXi } ^0_{b}} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\varXi } ^-} {{\pi } ^+} }}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta et autres

The first observation of the $Ξ_b^0 \to J/ψΞ^- π^+$ decay and the most precise measurement of the branching fraction of the $Λ_b^0 \to J/ψΞ^- K^+$ decay are reported, using proton-proton collision data from the LHCb experiment collected in 2016--2018 at a centre-of-mass …

de (code pays fourni par la source)

Erratum to: Measurement of the $$ {\Lambda}_c^{+} $$ to D0 production ratio in peripheral PbPb collisions at $$ \sqrt{s_{NN}} $$ = 5.02 TeV

R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres

We report on a measurement of the + c to D 0 production ratio in peripheral PbPb collisions at s NN = 5.02 TeV with the LHCb detector in the forward rapidity region

nl, gb, ch, es, fr, us, it, de, br, cn, cz, pl (code pays fourni par la source)

Search for the rare decay $B^0 \rightarrow J/\psi \phi$

R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres

A search for the rare decay $ B^0\to J/ \psi\phi$ is performed using $ pp$ collision data collected with the LHCb dete-ctor at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. No significant signal …

de (code pays fourni par la source)

Erratum to: Measurement of ϒ production in pp collisions at $$ \sqrt{\mathrm{s}} $$ = 13 TeV

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni et autres

The top

nl, es, gb, fr, us, de, ch, ru, br, it, pl, cn (code pays fourni par la source)

Measurement of the CKM angle γ using B[superscript ±] → DK[superscript ±] with D → K[subscript S][superscript 0]π[superscript +]π[superscript −], K[subscript S][superscript 0]K[superscript +]K[superscript −] decays

R. Aaij, B. Adeva, M. Adinolfi, C. A. Aidala et autres

Measurement of B0, Bs0 , B+ and Λb0 production asymmetries in 7 and 8 TeV proton–proton collisions

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni et autres

The $B^0, B^0_s, B^+$ and $\Lambda^0_b$ hadron production asymmetries are measured using a data sample corresponding to an integrated luminosity of 3.0 $fb^{−1}$, collected by the LHCb experiment in proton–proton collisions at centre-of-mass energies of 7 and 8TeV. The measurements are performed …

ch, es, gb, fr, us, de, nl, ru, br, it, cn (code pays fourni par la source)

Observation of charmless baryonic decays B(s)0→pp¯h+h′−

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni et autres

Decays of ${B}^{0}$ and ${B}_{s}^{0}$ mesons to the charmless baryonic final states $p\overline{p}{h}^{+}{h}^{\ensuremath{'}\ensuremath{-}}$, where $h$ and ${h}^{\ensuremath{'}}$ each denote a kaon or a pion, are searched for using the LHCb detector. The analysis is based on a sample of proton-proton collision data …

ch, es, gb, fr, us, de, nl, ru, br, it, cn, pl (code pays fourni par la source)

Observation of the decay $B_{s}^{0} \to η_{c} φ$ and evidence for $B_{s}^{0} \to η_{c} π^{+} π^{-} $

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni et autres

A study of $B^{0}_{s} \to \eta_{c} \phi$ and $B^{0}_{s} \to \eta_{c} \pi^{+}\pi^{-}$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 3.0$\,\rm fb^{-1}$, collected with the LHCb detector in Run~1 of the LHC. The observation of the decay …

Study of J/ψ Production in Jets

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni et autres

The production of J/ψ mesons in jets is studied in the forward region of proton-proton collisions using data collected with the LHCb detector at a center-of-mass energy of 13 TeV. The fraction of the jet transverse momentum carried by the J/ψ meson, …

ch, es, gb, fr, us, de, nl, ru, br, it, cn, pl (code pays fourni par la source)

Observation of the suppressed decay Λ b 0 → pπ − μ + μ −

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni et autres

The suppressed decay Λ 0 → pπ − μ + μ −, excluding the J/ψ and ψ(2S) → μ + μ − resonances, is observed for the first time with a significance of 5.5 standard deviations. The analysis is performed with proton-proton …

ch, es, gb, fr, us, de, nl, ru, br, it, pl (code pays fourni par la source)

Measurement of CP asymmetry in D0→K−K+ decays

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni et autres

A measurement of the time-integrated CP asymmetry in the Cabibbo-suppressed decay D 0 → K − K + is performed using pp collision data, corresponding to an integrated luminosity of 3 fb − 1 , collected with the LHCb detector at centre-of-mass …

ch, es, gb, fr, de, nl, ru, us, br, it (code pays fourni par la source)

First Experimental Study of Photon Polarization in Radiative Bs0 Decays

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni et autres

The polarization of photons produced in radiative ${B}_{s}^{0}$ decays is studied for the first time. The data are recorded by the LHCb experiment in $pp$ collisions corresponding to an integrated luminosity of $3\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ at center-of-mass energies of 7 and 8 …

ch, es, gb, fr, de, nl, ru, us, br, it, pl (code pays fourni par la source)