Y. Shang

Improved measurement of η/η′ mixing in $$ {B}_{(s)}^0\to J/\psi {\eta}^{\left(\prime \right)} $$ decays

R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén et autres

A bstract Branching fraction ratios between the decays $$ {B}_{(s)}^0\to J/\psi {\eta}^{\left(\prime \right)} $$ B s 0 → J / ψ η ′ are measured using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 …

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Measurements of charmed meson and antimeson production asymmetries at $$ \sqrt{\textrm{s}}=13.6 $$ TeV

R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén et autres

A bstract This article presents doubly differential measurements of the asymmetries in production rates between mesons containing a charm quark and those containing an anti-charm quark in proton-proton collisions at a centre-of-mass energy of $$ \sqrt{s}=13.6 $$ s = 13.6 TeV using …

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Observation of Orbitally Excited B c + States

R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén et autres

The observation of a wide peaking structure in the B_{c}^{+}γ mass spectrum is reported using proton-proton collision data collected by the LHCb detector at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb^{-1}. The …

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Observation of the $${{{\varLambda } ^0_{b}} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\varXi } ^-} {{K} ^+} }$$ and $${{{{\varXi } ^0_{b}} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\varXi } ^-} {{\pi } ^+} }}$$ decays

R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén et autres

Abstract The first observation of the $${{{{\varXi } ^0_{b}} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\varXi } ^-} {{\pi } ^+} }}$$ Ξ b 0 → J / ψ Ξ - π + decay and the most precise measurement of the branching fraction of …

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Measurement of the ψ(2S) to J/ψ cross-section ratio as a function of centrality in PbPb collisions at $$ \sqrt{{\textrm{s}}_{\textrm{NN}}} $$ = 5.02 TeV

R. Aaij, A. S. W. Abdelmotteleb, F. Abudinén, T. Ackernley et autres

A bstract The ratio of prompt production cross-sections of ψ (2 S ) and J/ψ mesons in their dimuon final state is measured as a function of centrality, using data collected by the LHCb detector in PbPb collisions at $$ \sqrt{s_{\textrm{NN}}} $$ …

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Angular analysis of the decay $$ {B}_s^0 $$ → ϕe+e−

R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén et autres

A bstract An angular analysis of the decay $$ {B}_s^0 $$ B s 0 → ϕe + e − is presented, using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8 and 13 …

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Search for the $$ {B}_c^{+} $$ → χc1(3872)π+ decay

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

A bstract A search for the decay $$ {B}_c^{+} $$ B c + → χ c 1 (3872) π + is reported using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8, and …

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Observation of the Open-Charm Tetraquark Candidate T c s 0 * ( 2870 ) 0 in the B − → D − D 0 K S 0 Decay

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

An amplitude analysis of B^{-}→D^{-}D^{0}K_{S}^{0} decays is performed using proton-proton collision data, corresponding to an integrated luminosity of 9 fb^{-1}, collected with the LHCb detector at center-of-mass energies of 7, 8, and 13 TeV. A resonant structure of spin-parity 0^{+} is observed …

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A Soh and Rul Prediction Model for Supercapacitors Based on Integrated Model Optimization Algorithm

Y. Shang, Zhenxiao Yi, Licheng Wang, Chunhao Liu et autres

cn (code pays fourni par la source)

A Novel Approach for State Estimation of Supercapacitors Based on Fusion Model Optimization Algorithm

Shanshuai Wang, Y. Shang, Huajun Dong, Yongzhi Ma et autres

cn (code pays fourni par la source)

Probing the nature of the χc1(3872) state using radiative decays

R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén et autres

A bstract : The radiative decays χ c1 (3872) → ψ(2S) γ and χ c1 (3872) → J/ψγ are used to probe the nature of the χ c1 (3872) state using proton-proton collision data collected with the LHCb detector, corresponding to an …

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Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states

R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén et autres

A bstract The decays of the χ b1 (1P), χ b2 (1P), χ b1 (2P) and χ b2 (2P) mesons into the Υ(1S)μ + μ − final state are observed with a high significance using proton-proton collision data collected with the LHCb …

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