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LHCb Papers

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2020-06-03
16:15
Measurement of the branching fractions of $B^+\to D^{*+}D^-K^+$, $B^+\to D^{*-}D^+K^+$, and $B^0\to D^{*-}D^0K^+$ decays.
A measurement of four branching-fraction ratios for three-body decays of $B$ mesons involving two open-charm hadrons in the final state is presented [...]
CERN-EP-2020-056 ; LHCB-PAPER-2020-006. - 2020.
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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.
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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.
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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. No signal is observed. [...]
arXiv:2003.03999; CERN-EP-2020-023; LHCB-PAPER-2020-001.- Geneva : CERN, 2020 - 11 p. - Published in : Phys. Rev. Lett. 124 (2020) 211802 Fulltext: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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