Search Results - "Pereiro Castro, A."
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Measurement of the CKM angle $$\gamma $$ in the $${{{B} ^0} \rightarrow {D} {{K} ^{0}}}$$ channel using self-conjugate $${D} \rightarrow {{K} ^0_{\textrm{S}}} h^+ h^-$$ decays
Published in The European physical journal. C, Particles and fields (29-02-2024)“…Abstract A model-independent study of $$C\!P$$ C P violation in $${{B} ^0} \rightarrow {D} {{K} ^{*0}} $$ B 0 → D K ∗ 0 decays is presented using data…”
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Search for $$D^{}(2007)^{0} \rightarrow \mu ^{+} \mu ^{-}$$ in $$B^{-}\rightarrow \pi ^{-} \mu ^{+} \mu ^{-}$$ decays
Published in The European physical journal. C, Particles and fields (26-07-2023)“…Abstract The very rare $${{D} ^*} (2007)^0\!\rightarrow {\mu ^+\mu ^-} $$ D ∗ ( 2007 ) 0 → μ + μ - decay is searched for by analysing $${{{B} ^-}}…”
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3
Study of the doubly charmed tetraquark $\mathrm{T}$ $^+_{cc}
Published in Nature communications (16-06-2022)“…Quantum chromodynamics, the theory of the strong force, describes interactions of coloured quarks and gluons and the formation of hadronic matter. Conventional…”
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4
Study of Z Bosons Produced in Association with Charm in the Forward Region
Published in Physical review letters (01-02-2022)“…Not provided…”
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5
Search for massive long-lived particles decaying semileptonically at $${\sqrt{s}}=13\,\hbox {TeV}
Published in The European physical journal. C, Particles and fields (28-04-2022)“…Abstract A search is performed for massive long-lived particles (LLPs) decaying semileptonically into a muon and two quarks. Two kinds of LLP production…”
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6
First observation of the $B^+ \rightarrow D_s^+ D_s^- K^+$ decay
Published 09-11-2022“…Phys. Rev. D 108 (2023) 034012 The $B^+ \rightarrow D_s^+ D_s^- K^+$ decay is observed for the first time using proton-proton collision data collected by the…”
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7
Observation of a resonant structure near the $D_s^+ D_s^-$ threshold in the $B^+\to D_s^+ D_s^- K^+$ decay
Published 26-10-2022“…Phys. Rev. Lett. 131, 071901 (2023) An amplitude analysis of the $B^+\to D_s^+ D_s^- K^+$ decay is carried out to study for the first time its intermediate…”
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8
Amplitude analysis of the $\Lambda^+_c\to pK^-\pi^+$ decay and $\Lambda^+_c$ baryon polarization measurement in semileptonic beauty hadron decays
Published 05-08-2022“…Phys. Rev. D 108 (2023) 012023 An amplitude analysis of $\Lambda^+_c \to pK^-\pi^+$ decays together with a measurement of the $\Lambda^+_c$ polarization vector…”
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9
Search for the lepton-flavour violating decays $B^0 \to K^{0} \mu^\pm e^\mp$ and $B_s^0 \to \phi \mu^\pm e^\mp
Published 08-07-2022“…JHEP 06 (2023) 073 A search for the lepton-flavour violating decays $B^0 \to K^{*0} \mu^\pm e^\mp$ and $B_s^0 \to \phi \mu^\pm e^\mp$ is presented, using…”
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Evidence for modification of $b$ quark hadronization in high-multiplicity $pp$ collisions at $\sqrt{s} = 13$ TeV
Published 27-04-2022“…Phys. Rev. Lett. 131 (2023) 061901 The production rate of $B^{0}_{s}$ mesons relative to $B^{0}$ mesons is measured by the LHCb experiment in $pp$ collisions…”
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11
Observation of sizeable $\omega$ contribution to $\chi_{c1}(3872)\to\pi^+\pi^-J/\psi$ decays
Published 26-04-2022“…Phys. Rev. D 131 (2023) L011103 Resonant structures in the dipion mass spectrum from $\chi_{c1}(3872)\to\pi^+\pi^- J/\psi$ decays, produced via $B^+\to…”
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Nuclear modification factor of neutral pions in the forward and backward regions in $p$-Pb collisions
Published 22-04-2022“…Phys. Rev. Lett. 131 (2023) 042302 The nuclear modification factor of neutral pions is measured in proton-lead collisions collected at a center-of-mass energy…”
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13
Search for the doubly heavy baryon $\it{\Xi}_{bc}^{+}$ decaying to $J/\it{\psi} \it{\Xi}_{c}^{+}
Published 20-04-2022“…Chin. Phys. C 47 (2023) 093001 A first search for the $\it{\Xi}_{bc}^{+}\to J/\it{\psi}\it{\Xi}_{c}^{+}$ decay is performed by the LHCb experiment with a data…”
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14
Search for the decay $B^0\to\phi\mu^+\mu^-
Published 25-01-2022“…JHEP05(2022)067 A search for the decay $B^0\to\phi\mu^+\mu^-$ is performed using proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV…”
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15
Observation of the $B^0\rightarrow\overline{D}^{0}K^{+}\pi^{-}$ and $B_s^0\rightarrow\overline{D}^{0}K^{-}\pi^{+}$ decays
Published 21-12-2021“…Phys. Rev. D 105, 072005 (2022) The first observations of $B^0\rightarrow\overline{D}^{*}(2007)^{0}K^{+}\pi^{-}$ and…”
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Constraints on the CKM angle $\gamma$ from $B^\pm\to Dh^\pm$ decays using $D\rightarrow h^\pm h^{\prime\mp}\pi^0$ final states
Published 20-12-2021“…JHEP 07 (2022) 099 A data sample collected with the LHCb detector corresponding to an integrated luminosity of 9 fb$^{-1}$ is used to measure eleven $CP$…”
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Precision measurement of forward $Z$ boson production in proton-proton collisions at $\sqrt{s} = 13$ TeV
Published 14-12-2021“…JHEP 07 (2022) 026 A precision measurement of the $Z$ boson production cross-section at $\sqrt{s} = 13$ TeV in the forward region is presented, using $pp$…”
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Observation of $\Lambda_b^0\rightarrow D^+ p \pi^-\pi^-$ and $\Lambda_b^0\rightarrow D^{+} p \pi^-\pi^-$ decays
Published 03-12-2021“…J. High Energ. Phys. 2022, 153 (2022) The multihadron decays $\Lambda_b^0\rightarrow D^+ p \pi^-\pi^-$ and $\Lambda_b^0\rightarrow D^{*+} p \pi^-\pi^-$ are…”
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Searches for rare $B_s^0$ and $B^0$ decays into four muons
Published 22-11-2021“…JHEP 03 (2022) 109 Searches for rare $B_s^0$ and $B^0$ decays into four muons are performed using proton-proton collision data recorded by the LHCb experiment,…”
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Measurement of the photon polarization in $\Lambda_b \to \Lambda \gamma$ decays
Published 19-11-2021“…Phys. Rev. D105 (2022) L051104 The photon polarization in $b \to s \gamma$ transitions is measured for the first time in radiative b-baryon decays exploiting…”
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