Clarke, P.E.L - Risultato della ricerca

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Measurement of the CKM angle $\gamma$ in $B^\pm\to DK(892)^{*\pm}$ decays / LHCb Collaboration
Measurements of $CP$ observables and the CKM angle $\gamma$ are performed in $B^{\pm} \to D K^*(892)^{\pm}$ decays, where $D$ represents a superposition of $D^0$ and $\overline{D}{}^0$ states, using the LHCb dataset collected during Run 1 (2011-2012) and Run 2 (2015-2018). A comprehensive study of this channel is presented with the $D$ meson reconstructed in two-body final states $K^{\pm}\pi^{\mp}$, $K^+K^-$ and $\pi^+\pi^-$; four-body final states $K^{\pm}\pi^{\mp}\pi^{\pm}\pi^{\mp}$ and $\pi^+\pi^-\pi^+\pi^-$; and three-body final states $K^0_{S} \pi^+\pi^-$ and $K^0_{S} K^+ K^-$. [...]
arXiv:2410.21115; LHCb-PAPER-2024-023; CERN-EP-2024-260.- Geneva : CERN, 2025-02-18 - 38 p. - Published in : JHEP 2502 (2025) 113 Fulltext: LHCb-PAPER-2024-023_arXiv - PDF; 2410.21115 - PDF; document - PDF; Related data file(s): ZIP;

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Measurement of the effective leptonic weak mixing angle / LHCb Collaboration
Using $pp$ collision data at $\sqrt{s}=13$~TeV, recorded by the LHCb experiment between 2016 and 2018 and corresponding to an integrated luminosity of $5.4$~fb$^{-1}$, the forward-backward asymmetry in the $pp \to Z/\gamma^{*} \to \mu^+\mu^-$ process is measured. The measurement is carried out in ten intervals of the difference between the muon pseudorapidities, within a fiducial region covering dimuon masses between $66$ and $116$ GeV, muon pseudorapidities between $2.0$ and $4.5$ and muon transverse momenta above $20$ GeV. [...]
arXiv:2410.02502; LHCb-PAPER-2024-028; CERN-EP-2024-230.- Geneva : CERN, 2024-12-03 - 28 p. - Published in : JHEP 2412 (2024) 026 Fulltext: 2410.02502 - PDF; document - PDF; Related data file(s): ZIP; Supplementary information: LHCb-PAPER-2024-028-supplementary - ZIP; supplementary (3) - PDF;

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Analysis of $\it{\Lambda}^\mathrm{0}_b \rightarrow pK^-\mu^+\mu^-$ decays / LHCb Collaboration
The differential branching fraction and angular coefficients of ${\it{\Lambda}^\mathrm{0}_b \rightarrow pK^-\mu^+\mu^-}$ decays are measured in bins of the dimuon mass squared and dihadron mass. The analysis is performed using a data set corresponding to 9$fb^-1$ of integrated luminosity collected with the $\mbox{LHCb}$ detector between 2011 and 2018. [...]
arXiv:2409.12629; CERN-EP-2024-212; LHCb-PAPER-2024-024.- Geneva : CERN, 2024-12-19 - 33 p. - Published in : JHEP 2412 (2024) 147 Fulltext: 2409.12629 - PDF; document - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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First determination of the spin-parity of ${\Xi}_{c}(3055)^{+0}$ baryons / LHCb Collaboration
The ${{\Xi}_{b}^{0(-)}\to{\Xi}_{c}(3055)^{+(0)}(\to D^{+(0)}{\Lambda}){\pi}^{-}}$ decay chains are observed, and the spin-parity of ${\Xi}_{c}(3055)^{+(0)}$ baryons is determined for the first time. The measurement is performed using proton-proton collision data at a center-of-mass energy of $\sqrt{s}=13\,\text{TeV}$, corresponding to an integrated luminosity of $5.4\,\text{fb}^{-1}$, recorded by the $\text{LHCb}$ experiment between 2016 and 2018. [...]
arXiv:2409.05440; LHCb-PAPER-2024-018; CERN-EP-2024-215; LHCB-PAPER-2024-018.- Geneva : CERN, 2025-02-28 - 24 p. - Published in : Phys. Rev. Lett. 134 (2025) 081901 Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Measurement of $CP$ violation in $B^0 \to D^+D^-$ and $B_s^0 \to D_s^+D_s^-$ decaysMeasurement of CP violation in B$^{0}$→ D$^{+}$D$^{−}$ and $ {\textrm{B}}_{\textrm{s}}^0 $→$ {\textrm{D}}_{\textrm{s}}^{+}{\textrm{D}}_{\textrm{s}}^{-} $ decays / LHCb Collaboration
A time-dependent, flavour-tagged measurement of $CP$ violation is performed with ${B^0}\rightarrow{D^{+}D^{-}}$ and ${B^{0}_{s}}\rightarrow{D^{+}_{s}D^{-}_{s}}$ decays, using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 6 fb$^{-1}$. In ${B^0}\rightarrow{D^{+}D^{-}}$ decays the $CP$-violation parameters are measured to be \begin{align} S_{D^{+}D^{-}} & = -0.552 \pm 0.100\text{(stat)} \pm 0.010\text{(syst)}, \nonumber \newline C_{D^{+}D^{-}} & = \phantom{-}0.128 \pm0.103\text{(stat)} \pm 0.010\text{(syst)}. [...]
arXiv:2409.03009; LHCb-PAPER-2024-027; CERN-EP-2024-217; LHCB-PAPER-2024-027.- Geneva : CERN, 2025-01-09 - 26 p. - Published in : JHEP 2501 (2025) 061 Fulltext: 2409.03009 - PDF; document - PDF; Related data file(s): ZIP;

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Measurement of $\Lambda_b^0$, $\Lambda_c^+$ and $\Lambda$ decay parameters using $\Lambda_b^0 \to \Lambda_c^+h^-$ decays / LHCb Collaboration
A comprehensive study of the angular distributions in the bottom-baryon decays $\it{\Lambda}^\mathrm{0}_b\to\it{\Lambda}_c^+ h^-(h=\pi, K)$, followed by $\it{\Lambda}_c^+\to\it{\Lambda} h^+$ with $\it{\Lambda}\to \it{p} \pi^-$ or $\it{\Lambda}_c^+\to\it{p}\it{K}^0_\mathrm{S}$ decays, is performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of 9 $\mathrm{fb}^{-1}$ collected by the LHCb experiment at center-of-mass energies of 7, 8 and 13 $\mathrm{Te\kern -0.1em V}$. The decay parameters and the associated charge-parity ($CP$) asymmetries are measured, with no significant $CP$ violation observed. [...]
arXiv:2409.02759; LHCb-PAPER-2024-017; CERN-EP-2024-200.- Geneva : CERN, 2024-12-30 - 15 p. - Published in : Phys. Rev. Lett. 133 (2024) 261804 Fulltext: 2409.02759 - PDF; Publication - PDF; Related data file(s): ZIP;

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Measurement of $CP$ violation observables in $D^+\to K^-K^+\pi^+$ decays / LHCb Collaboration
A search for violation of the charge-parity ($CP$) symmetry in the $D^+\rightarrow K^-K^+\pi^+$ decay is presented, with proton-proton collision data corresponding to an integrated luminosity of 5.4 fb$^{-1}$, collected at a center-of-mass energy of 13 TeV with the LHCb detector. A novel model-independent technique is used to compare the $D^+$ and $D^-$ phase-space distributions, with instrumental asymmetries subtracted using the $D^+{s}\rightarrow K^-K^+\pi^+$ decay as a control channel. [...]
arXiv:2409.01414; CERN-EP-2024-204; LHCb-PAPER-2024-019.- Geneva : CERN, 2024-12-16 - 13 p. - Published in : Phys. Rev. Lett. 133 (2024) 251801 Fulltext: 2409.01414v1 - PDF; 2409.01414 - PDF; Publication - PDF; Related data file(s): ZIP;

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Study of the rare decay $J\mskip -3mu/\mskip -2mu\psi \to \mu^+\mu^-\mu^+\mu^-$ / LHCb Collaboration
The rare electromagnetic $J\mskip -3mu/\mskip -2mu\psi \to \mu^+\mu^-\mu^+\mu^-$ decay is observed with a significance greatly exceeding the discovery threshold, using proton-proton collision data collected by the LHCb experiment during 2016--2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of $5.4\,\text{fb}^{-1}$. The rate of this decay is measured relative to that of the $J\mskip -3mu/\mskip -2mu\psi \to \mu^+\mu^-$ mode. [...]
arXiv:2408.16646; LHCb-PAPER-2024-016; CERN-EP-2024-201; LHCB-PAPER-2024-016.- Geneva : CERN, 2024-12-10 - 26 p. - Published in : JHEP 2412 (2024) 062 Fulltext: 2408.16646 - PDF; document - PDF; Related data file(s): ZIP;

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Observation of muonic Dalitz decays of $\chi_{b}$ mesons and precise spectroscopy of hidden-beauty states / LHCb Collaboration
The decays of the $\chi_{b1}(1P)$, $\chi_{b2}(1P)$, $\chi_{b1}(2P)$ and $\chi_{b2}(2P)$ mesons into the $\Upsilon(1S)\mu^+\mu^-$ final state are observed with a high significance using proton-proton collision data collected with the LHCb detector and corresponding to an integrated luminosity of 9fb$^{-1}$. The newly observed decays together with the $\Upsilon(2S)\rightarrow \Upsilon(1S)\pi^+\pi^-$ and $\Upsilon(3S)\rightarrow \Upsilon(2S)\pi^+\pi^-$ decay modes are used for precision measurements of the mass and mass splittings for the hidden-beauty states..
arXiv:2408.05134; LHCb-PAPER-2024-025; CERN-EP-2024-207.- Geneva : CERN, 2024-10-16 - 29 p. - Published in : JHEP 2410 (2024) 122 Fulltext: 2408.05134 - PDF; Publication - PDF; Related data file(s): ZIP;

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10.

Measurement of <math display="inline"><mrow><msup><mrow><mi>D</mi></mrow><mrow><mn>0</mn></mrow></msup><mo>-</mo><msup><mrow><mover accent="true"><mrow><mi>D</mi></mrow><mrow><mo stretchy="false">¯</mo></mrow></mover></mrow><mrow><mn>0</mn></mrow></msup></mrow></math> mixing and search for <math display="inline"><mi>C</mi><mi>P</mi></math> violation with <math display="inline"><mrow><msup><mrow><mi>D</mi></mrow><mrow><mn>0</mn></mrow></msup><mo stretchy="false">→</mo><msup><mrow><mi>K</mi></mrow><mrow><mo>+</mo></mrow></msup><msup><mrow><mi>π</mi></mrow><mrow><mo>-</mo></mrow></msup></mrow></math> decays / LHCb Collaboration
A measurement of the time-dependent ratio of the $D^0\rightarrow K^+\pi^-$ to $\overline{D}^0\rightarrow K^+\pi^-$ decay rates is reported. The analysis uses a sample of proton-proton collisions corresponding to an integrated luminosity of 6 fb$^{-1}$ recorded by the LHCb experiment from 2015 through 2018 at a center-of-mass energy of 13 TeV. [...]
arXiv:2407.18001; LHCb-PAPER-2024-008; CERN-EP-2024-178; LHCB-PAPER-2024-008.- Geneva : CERN, 2025-01-01 - 25 p. - Published in : Phys. Rev. D 111 (2025) 012001 Fulltext: 2407.18001 - PDF; Publication - PDF; Related data file(s): ZIP; Suppelementary information: ZIP;

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Vedi anche: autori con nomi simili
571	CLARKE, Peter
51	Clarke, P
431	Clarke, P E L
2	Clarke, P J
21	Clarke, P.
1	Clarke, P.E L
94	Clarke, P.E. L.
310	Clarke, P.E.L.
2	Clarke, Patrick
1	Clarke, Patrick J
2	Clarke, Paul
1	Clarke, Paul M
571	Clarke, Peter

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