LHCb Papers

2020-05-28
16:30
 Study of the $\psi_2(3823)$ and $\chi_{c1}(3872)$ states in $B^+\to (J/\psi \pi^+\pi^-)K^+$ decays 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. [...] CERN-EP-2020-071 ; arXiv:2005.13422 ; LHCB-PAPER-2020-009. - 2020. Fulltext - Related data files - Supplementary information

2020-05-28
16:15
 Study of the lineshape of the $\chi_{c1}(3872)$ state A study of the lineshape of the $\chi_{c1}(3872)$ state is made using a data sample corresponding to an integrated luminosity of 3fb$^{-1}$ collected in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV with the LHCb detector. [...] CERN-EP-2020-086 ; arXiv:2005.13419 ; LHCB-PAPER-2020-008. - 2020. Fulltext - Related data file(s) - Supplementary information

2020-04-22
18:37
 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. [...] arXiv:2004.10563 ; LHCb-PAPER-2020-005 ; CERN-EP-2020-051 ; LHCB-PAPER-2020-005. - 2020. - 31 p. Fulltext - Related data file(s) - Fulltext - Supplementary information

2020-04-20
11:32
 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$^{-1}$. [...] arXiv:2004.08163 ; LHCb-PAPER-2020-003 ; CERN-EP-2020-048 ; LHCB-PAPER-2020-003. - 2020. - 22 p. Fulltext - Related data file(s) - Fulltext

2020-03-31
14:24
 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. [...] arXiv:2003.13649 ; LHCb-PAPER-2020-004 ; CERN-EP-2020-038 ; LHCB-PAPER-2020-004. - 2020. - 18 p. Fulltext - Related data files - Supplementary information - Fulltext

2020-03-21
04:38
 Measurement of the shape of the $B_s^0\rightarrow D_s^{*-}\mu^{+}\nu_{\mu}$ differential decay rate / LHCb Collaboration The shape of the $B_s^0\rightarrow D_s^{*-}\mu^+\nu_{\mu}$ differential decay rate is obtained as a function of the hadron recoil using proton-proton collision data at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 1.7 fb$^{-1}$ collected by the LHCb detector. [...] arXiv:2003.08453 ; LHCb-PAPER-2019-046 ; CERN-EP-2020-026 ; LHCB-PAPER-2019-046. - 2020. - 31 p, 31 p. Fulltext - Related data files - Fulltext - Supplementary material

2020-03-11
09:27
 Search for the lepton flavour violating decay $B^+ \to K^+ \mu^- \tau^+$ using $B^{*0}_{s2}$ 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${}^{-1}$. [...] arXiv:2003.04352 ; LHCb-PAPER-2019-043 ; CERN-EP-2020-020 ; LHCB-PAPER-2019-043. - 2020. - 19 p, 19 p. Fulltext - Related data file(s) - Fulltext

2020-03-10
11:48
 Measurement of $C\!P$-averaged observables in the $B^{0}\rightarrow K^{*0}\mu^{+}\mu^{-}$ decay / LHCb Collaboration An angular analysis of the $B^{0}\rightarrow K^{*0}(\to K^{+}\pi^{-})\mu^{+}\mu^{-}$ decay is presented using a data set corresponding to an integrated luminosity of $4.7{\mbox{\,fb}^{-1}}$ of $pp$ collision data collected with the LHCb experiment. [...] arXiv:2003.04831 ; LHCb-PAPER-2020-002 ; CERN-EP-2020-027 ; LHCB-PAPER-2020-002. - 2020. - 45 p, 45 p. Fulltext - Supplementary material - Fulltext

2020-03-09
11:43
 Search for the rare decays $B_s^0 \to e^+e^-$ and $B^0 \to e^+e^-$ / LHCb Collaboration A search for the decays $B^0_s\to e^+e^-$ and $B^0\to e^+e^-$ is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of $7$, $8$ and $13\,\text{TeV}$, corresponding to integrated luminosities of $1$, $2$ and $2\,\text{fb}^{-1}$, respectively. [...] arXiv:2003.03999 ; LHCb-PAPER-2020-001 ; CERN-EP-2020-023 ; LHCB-PAPER-2020-001. - 2020. - 20 p, 20 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2020-02-21
10:18
 Measurement of $CP$ observables in $B^\pm \to D K^\pm$ and $B^\pm \to D \pi^\pm$ with $D \to K_{\rm{S}}^0 K^\pm \pi^\mp$ decays / LHCb Collaboration Measurements of $CP$ observables in $B^\pm \to D K^\pm$ and $B^\pm \to D \pi^\pm$ decays are presented, where $D$ represents a superposition of $D^0$ and $\bar{D}^0$ states. [...] arXiv:2002.08858 ; LHCB-PAPER-2019-044 ; CERN-EP-2020-015 ; LHCB-PAPER-2019-044-003 ; LHCB-PAPER-2019-044. - 2020. - 26 p. Fulltext - Related data file(s) - Fulltext