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LHCb Papers

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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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2020-02-21
04:32
Measurement of the branching fraction of the decay $B_s^0\to K_S^0 K_S^0$ / LHCb Collaboration
A measurement of the branching fraction of the decay $B_s^0 \to K_S^0 K_S^0$ is performed using proton-proton collision data corresponding to an integrated luminosity of 5 fb$^{-1}$ collected by the LHCb experiment between 2011 and 2016 [...]
arXiv:2002.08229 ; LHCb-PAPER-2019-030 ; CERN-EP-2020-008 ; LHCB-PAPER-2019-030. - 2020. - 23 p.
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2020-02-13
10:15
Observation of a new baryon state in the $\Lambda_b^0\pi^+\pi^-$ mass spectrum / LHCb Collaboration
A new baryon state is observed in the $\Lambda_b^0\pi^+\pi^-$ mass spectrum with high significance using a data sample of $pp$ collisions, collected with the LHCb detector at centre-of-mass energies $\sqrt{s}=7, 8$ and $13$ TeV, corresponding to an integrated luminosity of 9 fb$^{-1}$. [...]
arXiv:2002.05112 ; CERN-EP-2020-013 ; LHCb-PAPER-2019-045 ; LHCB-PAPER-2019-045. - 2020. - 24 p.
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