Search Results - "De Aguiar Francisco, O"
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Angular Analysis of the B^{+}→K^{+}μ^{+}μ^{-} Decay
Published in Physical review letters (23-04-2021)“…We present an angular analysis of the B^{+}→K^{*+}(→K_{S}^{0}π^{+})μ^{+}μ^{-} decay using 9 fb^{-1} of pp collision data collected with the LHCb experiment…”
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2
Observation of the Decay Λ b0 → Λ c+τ- ν ¯ τ
Published in Physical review letters (13-05-2022)“…Not provided…”
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3
Observation of the Mass Difference between Neutral Charm-Meson Eigenstates
Published in Physical review letters (10-09-2021)“…A measurement of mixing and C P violation in neutral charm mesons is performed using data reconstructed in proton-proton collisions collected by the LHCb…”
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4
Study of Z Bosons Produced in Association with Charm in the Forward Region
Published in Physical review letters (25-02-2022)“…Events containing a Z boson and a charm jet are studied for the first time in the forward region of proton-proton collisions. The data sample used corresponds…”
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5
Search for long-lived particles decaying to e±μ∓ν
Published in The European physical journal. C, Particles and fields (26-03-2021)“…Long-lived particles decaying to e ± μ ∓ ν , with masses between 7 and 50 GeV/ c 2 and lifetimes between 2 and 50 ps , are searched for by looking at displaced…”
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6
Search for Higgs-like bosons decaying into long-lived exotic particles
Published in The European physical journal. C, Particles and fields (02-12-2016)“…A search is presented for massive long-lived particles, in the 20–60 Ge V / c 2 mass range with lifetimes between 5 and 100 ps . The dataset used corresponds…”
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7
Measurement of forward W and Z boson production in pp collisions at ... TeV
Published in The journal of high energy physics (01-01-2016)“…(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image).Measurements are presented of electroweak boson production using data from pp…”
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8
Observation of the Decay Λ b 0 → Λ c + τ − ν ¯ τ
Published in Physical review letters (13-05-2022)Get full text
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9
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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10
Precise determination of the $$B_{\mathrm{s}}^0$$–$$\overline B_{\mathrm{s}}^0$$ oscillation frequency
Published in Nature physics (06-01-2022)“…Abstract Mesons comprising a beauty quark and strange quark can oscillate between particle ( $${B}_{\mathrm{s}}^{0}$$ B s 0 ) and antiparticle (…”
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Searches for rare $ {B}_s^0 $ and B$^{0}$ decays into four muons
Published in The journal of high energy physics (2022)“…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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12
Measurement of J/ψ production cross-sections in pp collisions at $$ \sqrt{s} $$ = 5 TeV
Published in The journal of high energy physics (24-11-2021)“…A bstract The production cross-sections of J/ψ mesons in proton-proton collisions at a centre-of-mass energy of $$ \sqrt{s} $$ s = 5 TeV are measured using a…”
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13
First measurement of the $$C\!P$$-violating phase in $${{B} ^0_{s}} \!\rightarrow {{J /\psi }} ($$ $$\rightarrow $$ $$e ^+e ^-$$)$$\phi $$ decays
Published in The European physical journal. C, Particles and fields (01-11-2021)“…Abstract A flavour-tagged time-dependent angular analysis of $${{B} ^0_{s}} \!\rightarrow {{J /\psi }} \phi $$ B s 0 → J / ψ ϕ decays is presented where the…”
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14
First observation of the decay $B_s^0 \to K^-\mu^+\nu_\mu$ and Measurement of $|V_{ub}|/|V_{cb}
Published in Physical review letters (2021)“…The first observation of the suppressed semileptonic Bs0→K-μ+νμ decay is reported. Using a data sample recorded in pp collisions in 2012 with the LHCb…”
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15
Search for CP violation in Ξc+→pK-π+ decays using model-independent techniques
Published in The European physical journal. C, Particles and fields (01-10-2020)“…A first search for CP violation in the Cabibbo-suppressed Ξ c + → p K - π + decay is performed using both a binned and an unbinned model-independent technique…”
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16
First Measurement of the Z→μ^{+}μ^{-} Angular Coefficients in the Forward Region of pp Collisions at sqrt[s]=13 TeV
Published in Physical review letters (26-08-2022)Get full text
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17
First evidence for direct CP violation in beauty to charmonium decays
Published 18-11-2024“…The {\ensuremath{C\!P}}\xspace asymmetry and branching fraction of the CKM-suppressed decay \mbox{\ensuremath{{B^+}\!\to {J\mskip -3mu/\mskip…”
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18
Constraints on the photon polarisation in $b \to s \gamma$ transitions using $B_s^0 \rightarrow \phi e^+e^-$ decays
Published 15-11-2024“…An angular analysis of the $B_s^0 \rightarrow \phi e^+e^-$ decay is performed using the proton-proton collision dataset collected between 2011 and 2018 by the…”
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19
Measurement of $\phi(1020)$ meson production in fixed-target $\textit{p}$Ne collisions at $\sqrt{s_{NN}}$ = 68.5 GeV
Published 14-11-2024“…The first measurement of $\phi(1020)$ meson production in fixed-target $p$Ne collisions at $\sqrt{s_{NN}}=68.5$ GeV is presented. The $\phi(1020)$ mesons are…”
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20
Measurement of the $\psi(2S)$ to $J/\psi$ cross-section ratio as a function of centrality in PbPb collisions at $\sqrt{s_{\text{NN}}}$ = 5.02 TeV
Published 08-11-2024“…The dissociation of quarkonium states with different binding energies produced in heavy-ion collisions is a powerful probe for investigating the formation and…”
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