Accès ouvert
2025
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén et autres
A bstract The first measurement of ϕ (1020) meson production in fixed-target p Ne collisions at $$ \sqrt{s_{NN}} $$ s NN = 68 . 5 GeV is presented. The ϕ (1020) mesons are reconstructed in their K + K − decay in …
nl, gb, ch, us, es, se, fr, it, de, br, cn, cz, pl
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Accès ouvert
2025
article
OpenAlex
R. Aaij, Ahmed Sameh Wagih Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres
A bstract A measurement of the CP -violating parameters in $$ {B}_s^0\boldsymbol{\to}{D}_s^{\mp }{K}^{\pm} $$ B s 0 → D s ∓ K ± decays is reported, based on the analysis of proton-proton collision data collected by the LHCb experiment corresponding to an …
nl, gb, ch, us, es, se, fr, it, de, br, cn, cz, pl
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
R. Aaij, Ahmed Sameh Wagih Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres
A bstract Using pp collision data at $$ \sqrt{s} $$ 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 …
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(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres
A bstract A measurement of the transverse polarization of the Λ and $$ \overline{\varLambda} $$ Λ ¯ hyperons in p Ne fixed-target collisions at $$ \sqrt{{\textrm{s}}_{\textrm{NN}}} $$ s NN = 68 . 4 GeV is presented using data collected by the LHCb …
nl, gb, ch, us, es, se, fr, it, de, br, cn, cz, pl
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres
A bstract The decays of the B + meson to the final state $$ {D}^{\ast -}{D}_s^{+}{\pi}^{+} $$ D ∗ − D s + π + are studied in proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8, …
nl, gb, ch, us, es, se, fr, it, de, br, cn, cr, pl
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres
A bstract The production of ψ (2 S ) mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of $$ \sqrt{s_{\textrm{NN}}} $$ s NN = 8 . 16 TeV is studied with the LHCb detector using data corresponding to an …
nl, gb, ch, es, se, fr, us, it, de, br, cn, cr, cz, pl
(code pays fourni par la source)
Accès ouvert
2023
article
OpenAlex
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta et autres
A bstract The CP asymmetries of seven B − decays to two charm mesons are measured using data corresponding to an integrated luminosity of 9 fb − 1 of proton-proton collisions collected by the LHCb experiment. Decays involving a D *0 or …
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Accès ouvert
2022
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres
The first study of the angular distribution of ${\ensuremath{\mu}}^{+}{\ensuremath{\mu}}^{\ensuremath{-}}$ pairs produced in the forward rapidity region via the Drell-Yan reaction $pp\ensuremath{\rightarrow}{\ensuremath{\gamma}}^{*}/Z+X\ensuremath{\rightarrow}{\ensuremath{\ell}}^{+}{\ensuremath{\ell}}^{\ensuremath{-}}+X$ is presented, using data collected with the LHCb detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity …
nl, gb, ch, es, fr, us, it, de, ru, br, cn, pl
(code pays fourni par la source)
Accès ouvert
2022
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres
A measurement of the ratios of the effective decay widths of ${D}^{0}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}$ and ${D}^{0}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{K}^{+}$ decays over that of ${D}^{0}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}$ decays is performed with the LHCb experiment using proton--proton collisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of …
nl, gb, ch, es, fr, us, it, de, ru, br, cn, pl
(code pays fourni par la source)
Accès ouvert
2022
article
OpenAlex
R. Aaij, Ahmed Sameh Wagih Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres
The first observation of the semileptonic $b$-baryon decay ${\mathrm{\ensuremath{\Lambda}}}_{b}^{0}\ensuremath{\rightarrow}{\mathrm{\ensuremath{\Lambda}}}_{c}^{+}{\ensuremath{\tau}}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{\ensuremath{\tau}}$, with a significance of $6.1\ensuremath{\sigma}$, is reported using a data sample corresponding to $3\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ of integrated luminosity, collected by the LHCb experiment at center-of-mass energies of 7 and 8 TeV at …
nl, gb, ch, es, fr, us, it, de, ru, br, pl, cn
(code pays fourni par la source)
Accès ouvert
2022
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres
Abstract A search for the decayB0→ ϕμ+μ−is performed using proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV collected by the LHCb experiment and corresponding to an integrated luminosity of 9 fb−1. No evidence for theB0→ ϕμ+μ−decay is found and …
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