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1.
Measurement of CP asymmetries in $ {D}_{(s)}^{+}\to \eta {\pi}^{+} $ and $ {D}_{(s)}^{+}\to {\eta}^{\prime }{\pi}^{+} $ decays / LHCb Collaboration
Searches for $CP$ violation in the decays $D^+_{(s)}\rightarrow \eta \pi^+$ and $D^+_{(s)}\rightarrow \eta^{\prime} \pi^+$ are performed using $pp$ collision data corresponding to 6 fb$^{-1}$ of integrated luminosity collected by the LHCb experiment. The calibration channels $D^+_{(s)}\rightarrow \phi \pi^+$ are used to remove production and detection asymmetries. [...]
arXiv:2204.12228; CERN-EP-2022-035; LHCb-PAPER-2021-051.- 2023-04-18 - 16 p. - Published in : JHEP 04 (2023) 081 Fulltext: 2204.12228 - PDF; document - PDF; Related data file(s): ZIP;
2.
Real-time reconstruction of pixel vertex detectors with FPGAs / LHCb Real-Time Analysis project Collaboration
The LHCb experiment is undergoing a major upgrade in view of Run-3, in which the complete detector will be read out, and events fully reconstructed, at the full LHC crossing rate (averaging 30 MHz). One of the key steps of event reconstruction is finding tracks in the new, high precision pixel vertex detector (VELOPIX) [...]
SISSA, 2020 - 10 p. - Published in : PoS Vertex2019 (2020) 047 Fulltext: PDF;
In : Vertex 2019: 28th International Workshop on Vertex Detectors, Lopud Island, Croatia, 13 - 18 Oct 2019, pp.047
3.
First observation of the decay $B^0 \rightarrow D^0 \overline{D}{}^0 K^+ \pi^-$ / LHCb Collaboration
The first observation of the decay $B^0 \rightarrow D^0 \overline{D}{}^0 K^+ \pi^-$ is reported using proton-proton collision data corresponding to an integrated luminosity of 4.7 $\mathrm{fb}^{-1}$ collected by the LHCb experiment in 2011, 2012 and 2016. The measurement is performed in the full kinematically allowed range of the decay outside of the $D^{*-}$ region. [...]
arXiv:2007.04280; LHCb-PAPER-2020-015; CERN-EP-2020-112; LHCB-PAPER-2020-015.- 2020-09-23 - 11 p. - Published in : 10.1103/PhysRevD.102.051102 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Related data file(s): ZIP;
4.
Searches for low-mass dimuon resonances / LHCb Collaboration
Searches are performed for low-mass dimuon resonances, $X$, produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an integrated luminosity of 5.1 fb$^{-1}$ and collected with the LHCb detector. The $X \to \mu^+\mu^-$ decays can be either prompt-like or displaced from the proton-proton collision, where in both cases the requirements placed on the event and the assumptions made about the production mechanisms are kept as minimal as possible. [...]
arXiv:2007.03923; LHCb-PAPER-2020-013; CERN-EP-2020-114; LHCB-PAPER-2020-013.- 2020-10-26 - 27 p. - Published in : JHEP 2010 (2020) 156 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
5.
Search for $CP$ violation in $\Xi_c^+\rightarrow pK^-\pi^+$ decays using model-independent techniques / LHCb Collaboration
A first search for $CP$ violation in the Cabibbo-suppressed $\Xi_c^+\rightarrow pK^-\pi^+$ decay is performed using both a binned and an unbinned model-independent technique in the Dalitz plot. The studies are based on a sample of proton-proton collision data, corresponding to an integrated luminosity of $3.0~\rm fb^{-1}$, and collected by the LHCb experiment at centre-of-mass energies of $7$ and $8~\rm TeV$. [...]
arXiv:2006.03145; CERN-EP-2020-069; LHCb-PAPER-2019-026; LHCB-PAPER-2019-026.- Geneva : CERN, 2020-10-26 - 16 p. - Published in : Eur. Phys. J. C 80 (2020) 986 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP;
6.
Study of the $\psi_2(3823)$ and $\chi_{c1}(3872)$ states in $B^+\to (J/\psi \pi^+\pi^-)K^+$ decays / LHCb Collaboration
The decays $B^+\rightarrow J/\psi \pi^+ \pi^- K^+$ are studied using a data set corresponding to an integrated luminosity of 9 fb$^{-1}$ collected with the LHCb detector in proton-proton collisions between 2011 and 2018. Precise measurements of the ratios of branching fractions with the intermediate $\psi_2(3823)$, $\chi_{c1}(3872)$ and $\psi(2S)$ states are reported. [...]
arXiv:2005.13422; CERN-EP-2020-071; LHCb-PAPER-2020-009; LHCB-PAPER-2020-009.- Geneva : CERN, 2020-08-25 - 29 p. - Published in : JHEP 2008 (2020) 123 Article from SCOAP3: PDF; Fulltext: LHCb-PAPER-2020-009 - PDF; 2005.13422 - PDF; Related data files: ZIP; Supplementary information: ZIP; External link: Interactions.org article
7.
Measurement of the $\Lambda^0_b\rightarrow J/\psi\Lambda$ angular distribution and the $\Lambda^0_b$ polarisation in $pp$ collisions / LHCb Collaboration
This paper presents an analysis of the $\Lambda^0_b\rightarrow J/\psi\Lambda$ angular distribution and the transverse production polarisation of $\Lambda^0_b$ baryons in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV. The measurements are performed using data corresponding to an integrated luminosity of 4.9 fb$^{-1}$, collected with the LHCb experiment. [...]
arXiv:2004.10563; LHCb-PAPER-2020-005; CERN-EP-2020-051; LHCB-PAPER-2020-005.- Geneva : CERN, 2020-06-17 - 30 p. - Published in : JHEP 2006 (2020) 110 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
8.
Precision measurement of the $B_{c}^{+}$ meson mass / LHCb Collaboration
A precision measurement of the $B_{c}^{+}$ meson mass is performed using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of $7, 8$ and $13$ TeV, corresponding to a total integrated luminosity of $9.0$ fb$^{-1}$. The $B_{c}^{+}$ mesons are reconstructed via the decays $B_{c}^{+} \rightarrow J\mskip -3mu/\mskip -2mu\psi\mskip 2mu \pi^+$, $B_{c}^{+} \rightarrow J\mskip -3mu/\mskip -2mu\psi\mskip 2mu \pi^+ \pi^- \pi^+$, $B_{c}^{+} \rightarrow J\mskip -3mu/\mskip -2mu\psi\mskip 2mu p \bar{p} \pi^+$, $B_{c}^{+} \rightarrow J\mskip -3mu/\mskip -2mu\psi\mskip 2mu D_{s}^{+}$, $B_{c}^{+} \rightarrow J\mskip -3mu/\mskip -2mu\psi\mskip 2mu D^{0} K^{+}$ and $B_{c}^{+} \rightarrow B_{s}^{0} \pi^+$. [...]
arXiv:2004.08163; LHCb-PAPER-2020-003; CERN-EP-2020-048; LHCB-PAPER-2020-003.- Geneva : CERN, 2020-07-20 - 21 p. - Published in : JHEP 2007 (2020) 123 Article from SCOAP3: PDF; Fulltext: LHCb-PAPER-2020-003_arXiv - PDF; 2004.08163 - PDF; Related data file(s): ZIP;
9.
Observation of new $\Xi_c^0$ baryons decaying to $\Lambda_c^+K^-$ / LHCb Collaboration
The $\Lambda_c^+K^-$ mass spectrum is studied with a data sample of $pp$ collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 fb$^{-1}$ collected by the LHCb experiment. Three $\Xi_c^0$ states are observed with a large significance and their masses and natural widths are measured to be \begin{eqnarray*} m(\Xi_c(2923)^0)&=& 2923.04 \pm 0.25 \pm 0.20 \pm 0.14 ~\mathrm{MeV},\\ \Gamma(\Xi_c(2923)^0) &=& 7.1 \pm 0.8 \pm 1.8~\mathrm{MeV}, \end{eqnarray*} \begin{eqnarray*} m(\Xi_c(2939)^0) &=& 2938.55 \pm 0.21 \pm 0.17 \pm 0.14~\mathrm{MeV},\\ \Gamma(\Xi_c(2939)^0) &=& 10.2 \pm 0.8 \pm 1.1~\mathrm{MeV}, \end{eqnarray*} \begin{eqnarray*} m(\Xi_c(2965)^0) &=& 2964.88 \pm 0.26 \pm 0.14 \pm 0.14~\mathrm{MeV}, \\ \Gamma(\Xi_c(2965)^0) &=& 14.1 \pm 0.9 \pm 1.3~\mathrm{MeV}, \end{eqnarray*} where the uncertainties are statistical, systematic, and due to the limited knowledge of the $\Lambda_c^+$ mass. [...]
arXiv:2003.13649; LHCb-PAPER-2020-004; CERN-EP-2020-038; LHCB-PAPER-2020-004.- Geneva : CERN, 2020-06-05 - 11 p. - Published in : Phys. Rev. Lett. Article from SCOAP3: PDF; Fulltext: LHCb_PAPER_2020_004_arXiv - PDF; 2003.13649 - PDF; Fulltext from Publisher: PDF; Related data files: ZIP; Supplementary information: ZIP;
10.
Search for the lepton flavour violating decay $B^+ \rightarrow K^+ \mu^- \tau^+$ using $B_{s2}^{*0}$ decays / LHCb Collaboration
A search is presented for the lepton flavour violating decay $B^+ \rightarrow K^+ \mu^- \tau^+$ using a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb${}^{-1}$. The $\tau$ leptons are selected inclusively, primarily via decays with a single charged particle. [...]
arXiv:2003.04352; LHCb-PAPER-2019-043; CERN-EP-2020-020; LHCB-PAPER-2019-043.- Geneva : CERN, 2020-06-22 - 19 p. - Published in : JHEP 2006 (2020) 129 Article from SCOAP3: PDF; Fulltext: LHCb-PAPER-2019-043 - PDF; 2003.04352 - PDF; Related data file(s): ZIP;

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