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2022-09-26
14:30
Amplitude analysis of the $D_s^+ \to \pi^- \pi^+ \pi^+$ decay
A Dalitz plot analysis of the $D_s^+ \to \pi^- \pi^+ \pi^+$ decay is presented [...]
LHCb-PAPER-2022-030 ; CERN-EP-2022-173 ; arXiv:2209.09840 ; LHCB-PAPER-2022-030. - 2022.
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2022-09-21
09:41
Search for the lepton-flavour violating decays $B^0 \to K^{*0} \tau^\pm \mu^\mp$
A first search for the lepton-flavour violating decays $B^0 \to K^{*0} \tau^\pm \mu^\mp$ is presented. [...]
LHCb-PAPER-2022-021 ; CERN-EP-2022-154 ; arXiv:2209.09846 ; LHCB-PAPER-2022-021. - 2022.
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2022-09-09
10:21
Measurement of the CKM angle $γ$ with $ B^\pm \to D[K^\mp π^\pm π^\pm π^\mp] h^\pm$ decays using a binned phase-space approach
The CKM angle $\gamma$ is determined from $C\!P$-violating observables measured in ${B^\pm \to D[ K^\mp \pi^\pm\pi^\pm\pi^\mp] h^\pm}$, $(h = K,\pi)$ decays, where the measurements are performed in bins of the decay phase-space of the $D$ meson. [...]
arXiv:2209.03692 ; LHCb-PAPER-2022-017 ; CERN-EP-2022-150 ; LHCB-PAPER-2022-017. - 2022.
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2022-09-08
10:24
Measurement of the time-integrated $C\!P$ asymmetry in $D^0\to K^- K^+$ decays
The time-integrated $C\!P$ asymmetry in the Cabibbo-suppressed decay $D^0\to K^-K^+$ is measured using proton-proton collision data, corresponding to an integrated luminosity of 5.7 fb$^{-1}$ collected at a center-of-mass energy of 13 TeV with the LHCb detector. [...]
arXiv:2209.03179 ; CERN-EP-2022-163 ; LHCb-PAPER-2022-024 ; LHCB-PAPER-2022-024. - 2022.
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2022-09-05
11:14
Multidifferential study of identified charged hadron distributions in $Z$-tagged jets in proton-proton collisions at $\sqrt{s}=$13 TeV
Jet fragmentation functions are measured for the first time in proton-proton collisions for charged pions, kaons, and protons within jets recoiling against a $Z$ boson. [...]
arXiv:2208.11691 ; CERN-EP-2022-161 ; LHCB-PAPER-2022-013. - 2022.
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2022-09-02
14:26
First measurement of $Z \to \mu^+\mu^-$ angular coefficients in the forward region of $pp$ collisions at $\sqrt{s} = 13$ TeV / LHCb Collaboration
The first study of the angular distribution of $\mu^+ \mu^-$ pairs produced in the forward rapidity region via the Drell-Yan reaction $pp \rightarrow \gamma^{*}/Z +X \rightarrow l^+ l^- + X$ is presented, using data collected with the LHCb detector at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 5.1 $\rm{fb}^{-1}$. The coefficients of the five leading terms in the angular distribution are determined as a function of the dimuon transverse momentum and rapidity. [...]
arXiv:2203.01602; LHCb-PAPER-2021-048; CERN-EP-2022-030; LHCB-PAPER-2021-048.- 2022-08-24 - 11 p. - Published in : Phys. Rev. Lett. 129 (2022) 091801 Fulltext: 2203.01602 - PDF; LHCb-PAPER-2021-037-paper - PDF; Related data file(s): ZIP; External link: Previous draft version

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2022-08-19
09:52
Study of $B_c^+$ meson decays to charmonia plus multihadron final states
Four decay modes of the $B_c^+$ meson into a $J/\psi$~meson and multiple charged kaons or pions are studied using proton-proton collision data, collected with the LHCb detector at centre-of-mass energies of 7, 8, and 13 TeV and corresponding to an integrated luminosity of $9$fb$^{-1}$.The decay $B_c^+\to J/\psi K^+ K^- \pi^+ \pi^+ \pi^-$ is observed for the first time, and evidence for the $B_c^+\to J/\psi 4\pi^+ 3\pi^-$ decay is found. [...]
arXiv:2208.08660 ; CERN-EP-2022-162 ; LHCb-PAPER-2022-025 ; LHCB-PAPER-2022-025. - 2022. - 20 p.
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2022-08-18
12:13
Model-independent measurement of charm mixing parameters in $\bar{B} \rightarrow D^0 ( \rightarrow K_S^0 \pi^+ \pi^-) \mu^- \bar{\nu}_\mu X$ decays
A measurement of charm mixing and $CP$-violating parameters is reported, using $\bar{B} \rightarrow D^0 ( \rightarrow K_S^0 \pi^+ \pi^-) \mu^-\bar{\nu}_\mu X$ decays reconstructed in proton-proton collisions collected by the LHCb experiment during the years 2016 to 2018, corresponding to an integrated luminosity of 5.4 fb$^{-1}$. [...]
arXiv:2208.06512 ; LHCb-PAPER-2022-020 ; CERN-EP-2022-160 ; LHCB-PAPER-2022-020. - 2022. - 22 p.
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2022-08-09
10:27
Amplitude analysis of the $D^+ \to \pi^-\pi^+\pi^+$ decay and measurement of the $\pi^-\pi^+$ S-wave amplitude
An amplitude analysis of the $D^+ \to \pi^- \pi^+ \pi^+$ decay is performed with a sample corresponding to 1.5 $\rm fb^{-1}$ of integrated luminosity of $pp$ collisions at a centre-of-mass energy $\sqrt{s}=8$\tev collected by the LHCb detector in 2012. [...]
arXiv:2208.03300 ; LHCb-PAPER-2022-016 ; CERN-EP-2022-136 ; LHCB-PAPER-2022-016. - 2022. - 21 p, 21 p.
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2022-08-08
17:12
Amplitude analysis of the $\Lambda^+_c\to pK^-\pi^+$ decay and $\Lambda^+_c$ baryon polarization measurement in semileptonic beauty hadron decays / Collaboration, Lhcb
An amplitude analysis of $\Lambda^+_c \to pK^-\pi^+$ decays together with a measurement of the $\Lambda^+_c$ polarization vector in semileptonic beauty hadron decays is presented. [...]
arXiv:2208.03262 ; LHCb-PAPER-2022-002 ; CERN-EP-2022-124 ; LHCB-PAPER-2022-002. - 2022. - 38 p, 38 p.
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