# LHCb Papers

2021-09-17
13:44
 Observation of the suppressed $\Lambda^0_b\to D p K^-$ decay with $D\to K^+ \pi^-$ and measurement of its CP asymmetry / LHCb Collaboration A study of $\Lambda^0_b$ baryon decays to the $DpK^-$ final state is presented based on a proton-proton collision data sample corresponding to an integrated luminosity of 9fb$^{-1}$ collected with the LHCb detector. [...] arXiv:2109.02621 ; CERN-EP-2021-179 ; LHCB-PAPER-2021-027. - 2021. Fulltext - Related data file(s)

2021-09-17
09:37
 Study of $Z$ bosons produced in association with charm in the forward region The fraction of $Z+$jet events that contain a charm jet is measured for the first time in the forward region of proton-proton collisions. [...] CERN-EP-2021-176 ; arXiv:2109.08084 ; LHCB-PAPER-2021-029. - 2021. Fulltext - Related data file(s) - Supplementary information

2021-09-16
11:03
 Search for the doubly charmed baryon $\it{\Xi}_{cc}^{+}$ in the $\it{\Xi}_{c}^{+} \pi^{-} \pi^{+}$ final state / LHCb Collaboration A search for the doubly charmed baryon $\it{\Xi}_{cc}^{+}$ is performed in the $\it{\Xi}_{cc}^{+} \rightarrow \it{\Xi}_{c}^{+} \pi^{-} \pi^{+}$ decay mode, where the $\it{\Xi}_{c}^{+}$ baryon is reconstructed in the $p K^{-} \pi^{+}$ final state. [...] arXiv:2109.07292 ; LHCb-PAPER-2021-019 ; CERN-EP-2021-155 ; LHCB-PAPER-2021-019. - 2021. Fulltext - Related data file(s) - Supplementary information

2021-09-16
08:46
 Measurement of $\chi_{c1}(3872)$ production in proton-proton collisions at $\sqrt{s}=8$ and 13 TeV / LHCb Collaboration The production cross-section of the $\chi_{c1}(3872)$ state relative to the $\psi(2S)$ meson is measured using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of $\sqrt{s}=8$ and 13 TeV, corresponding to integrated luminosities of 2.0 and 5.4 fb$^{-1}$, respectively. [...] arXiv:2109.07360 ; LHCb-PAPER-2021-026 ; CERN-EP-2021-182 ; LHCB-PAPER-2021-026. - 2021. Fulltext - Related data file(s)

2021-09-03
14:00
 Study of the doubly charmed tetraquark $T_{cc}^+$ / LHCb Collaboration An exotic narrow state in the $D^0D^0\pi^+$ mass spectrum just below the $D^{*+}D^0$ mass threshold is studied using a data set corresponding to an integrated luminosity of 9fb$^{-1}$ acquired with the LHCb detector in proton-proton collisions at centre-of-mass energies of 7, 8 and 13TeV. [...] arXiv:2109.01056 ; CERN-EP-2021-169 ; LHCb-PAPER-2021-032 ; LHCB-PAPER-2021-032. - 2021. - 60 p. Fulltext - Related data file(s) - Supplementary information

2021-09-03
13:57
 Measurement of the $W$ boson mass / LHCb Collaboration The $W$ boson mass is measured using proton-proton collision data at $\sqrt{s}=13$ TeV corresponding to an integrated luminosity of 1.7 fb$^{-1}$ recorded during 2016 by the LHCb experiment. [...] arXiv:2109.01113 ; LHCb-PAPER-2021-024 ; CERN-EP-2021-170 ; LHCB-PAPER-2021-024. - 2021. - 36 p. Fulltext - Related data file(s) - Supplementary information

2021-09-03
13:46
 Observation of an exotic narrow doubly charmed tetraquark / LHCb Collaboration Conventional hadronic matter consists of baryons and mesons made of three quarks and quark-antiquark pairs, respectively. [...] arXiv:2109.01038 ; CERN-EP-2021-165 ; LHCb-PAPER-2021-031 ; LHCB-PAPER-2021-031. - 2021. - 24 p. Fulltext - Related data file(s)

2021-09-03
12:31
 Measurement of the lifetimes of promptly produced $\Omega^{0}_{c}$ and $\Xi^{0}_{c}$ baryons / LHCb Collaboration A measurement of the lifetimes of the $\Omega^{0}_{c}$ and $\Xi^{0}_{c}$ baryons is reported using proton--proton collision data at a centre-of-mass energy of $13\ \text{TeV}$, corresponding to an integrated luminosity of $5.4\ \text{fb}^{-1}$ collected by the LHCb experiment. [...] arXiv:2109.01334 ; LHCb-PAPER-2021-021 ; CERN-EP-2021-167 ; LHCB-PAPER-2021-021. - 2021. Fulltext - Related data file(s) - Supplementary information

2021-09-02
11:54
 Updated search for $B_c^+$ decays to two charm mesons / LHCb Collaboration A data set corresponding to an integrated luminosity of $9 \text{\, fb}^{-1}$ of proton-proton collisions collected by the LHCb experiment has been analysed to search for $B_c^+ \to D^{(*)+}_{(s)} (\overline{D})^{(*)0}$ decays. [...] arXiv:2109.00488 ; LHCb-PAPER-2021-023 ; CERN-EP-2021-154 ; LHCB-PAPER-2021-023. - 2021. Fulltext - Related data file(s) - Supplementary information

2021-09-02
11:51
 Measurement of $J/\psi$ production cross-sections in $pp$ collisions at $\sqrt{s}=5$ TeV / LHCb Collaboration The production cross-sections of $J/\psi$ mesons in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=5$ TeV are measured using a data sample corresponding to an integrated luminosity of $9.13\pm0.18~\text{pb}^{-1}$, collected by the LHCb experiment. [...] arXiv:2109.00220 ; LHCb-PAPER-2021-020,CERN-EP-2021-156 ; LHCB-PAPER-2021-020. - 2021. - 34 p, 34 p. Fulltext - Related data file(s) - Supplementary information