Accès ouvert
2023
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres
The production of prompt D^{0} mesons in proton-lead collisions in both the forward and backward rapidity regions at a center-of-mass energy per nucleon pair of sqrt[s_{NN}]=8.16 TeV is measured by the LHCb experiment. The nuclear modification factor of prompt D^{0} mesons is …
nl, gb, ch, es, fr, us, it, de, br, cn, pl, ie, hu, se, ua, co, ro, au
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Accès ouvert
2022
article
OpenAlex
R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta, F. Abudinén et autres
The photon polarization in $b\ensuremath{\rightarrow}s\ensuremath{\gamma}$ transitions is measured for the first time in radiative $b$ -baryon decays exploiting the unique spin structure of ${\mathrm{\ensuremath{\Lambda}}}_{b}^{0}\ensuremath{\rightarrow}\mathrm{\ensuremath{\Lambda}}\ensuremath{\gamma}$ decays. A data sample corresponding to an integrated luminosity of $6\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ collected by the LHCb experiment …
fr
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Accès ouvert
2022
article
OpenAlex
R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres
Branching fraction and effective lifetime measurements of the rare decay B0s→μ+μ− and searches for the decays B0→μ+μ− and B0s→μ+μ−γ are reported using proton-proton collision data collected with the LHCb detector at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a …
nl, ch, gb, es, fr, us, it, de, ru, br, pl, cn
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Accès ouvert
2021
article
OpenAlex
R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres
A search for $CP$ violation in charmless three-body ${\mathrm{\ensuremath{\Xi}}}_{b}^{\ensuremath{-}}\ensuremath{\rightarrow}p{K}^{\ensuremath{-}}{K}^{\ensuremath{-}}$ decays is performed using $pp$ collision data recorded with the LHCb detector, corresponding to integrated luminosities of $1\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ at a center-of-mass energy $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$, $2\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ at $\sqrt{s}=8\text{ }\text{ …
fr
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Accès ouvert
2021
article
OpenAlex
R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres
A measurement of CP violation in the decay B^{+}→K^{+}π^{0} is reported using data corresponding to an integrated luminosity of 5.4 fb^{-1} collected with the LHCb experiment at a center-of-mass energy of sqrt[s]=13 TeV. The CP asymmetry is measured to be 0.025±0.015±0.006±0.003, where …
nl, ch, gb, es, fr, us, it, de, ru, br, pl, cn
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Accès ouvert
2020
article
OpenAlex
R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres
The relative branching fractions of ${B}^{+}\ensuremath{\rightarrow}{h}^{+}{h}^{\ensuremath{'}+}{h}^{\ensuremath{'}\ensuremath{-}}$ decays, where ${h}^{(\ensuremath{'})}$ is a pion or kaon, are measured. The analysis is performed with a data sample, collected with the LHCb detector, corresponding to an integrated luminosity of $3.0\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ of $pp$ collisions. The …
nl, ch, gb, es, fr, us, it, de, ru, br, pl, cn
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Accès ouvert
2020
article
OpenAlex
R. Aaij, Carlos Abellán Beteta, T. Ackernley, B. Adeva et autres
The only anticipated resonant contributions to ${B}^{+}\ensuremath{\rightarrow}{D}^{+}{D}^{\ensuremath{-}}{K}^{+}$ decays are charmonium states in the ${D}^{+}{D}^{\ensuremath{-}}$ channel. A model-independent analysis, using LHCb proton-proton collision data taken at center-of-mass energies of $\sqrt{s}=7$, 8, and 13 TeV, corresponding to a total integrated luminosity of $9\text{ }\text{ …
nl, ch, gb, es, fr, us, it, de, ru, br, pl, cn
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Accès ouvert
2020
article
OpenAlex
R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres
The first observation of the decay ${B}^{0}\ensuremath{\rightarrow}{D}^{0}{\overline{D}}^{0}{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ is reported using proton-proton collision data corresponding to an integrated luminosity of $4.7\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ collected by the LHCb experiment in 2011, 2012 and 2016. The measurement is performed in the full kinematically allowed range …
nl, ch, gb, es, fr, us, it, de, ru, br, pl, cn
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Accès ouvert
2020
article
OpenAlex
R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres
A measurement of the branching fraction of the decay ${B}_{s}^{0}\ensuremath{\rightarrow}{K}_{\mathrm{S}}^{0}{K}_{\mathrm{S}}^{0}$ is performed using proton--proton collision data corresponding to an integrated luminosity of $5\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ collected by the LHCb experiment between 2011 and 2016. The branching fraction is determined to be $\mathcal{B}({B}_{s}^{0}\ensuremath{\rightarrow}{K}_{\mathrm{S}}^{0}{K}_{\mathrm{S}}^{0})=\phantom{\rule{0ex}{0ex}}[8.3\ifmmode\pm\else\textpm\fi{}1.6(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}0.9(\mathrm{syst})\ifmmode\pm\else\textpm\fi{}0.8(\mathrm{norm})\ifmmode\pm\else\textpm\fi{}0.3({f}_{s}/{f}_{d})]\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}6}$, …
nl, ch, gb, es, fr, us, it, de, ru, br, pl, cn
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Accès ouvert
2020
article
OpenAlex
R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres
Abstract A new baryon state is observed in the $$ {\Lambda}_{\mathrm{b}}^0{\pi}^{+}{\pi}^{-} $$ Λ b 0 π + π − mass spectrum with high significance using a data sample of pp collisions, collected with the LHCb detector at centre-of-mass energies $$ \sqrt{s} $$ …
ch, nl, gb, es, fr, us, it, de, ru, br, cn, pl
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Accès ouvert
2020
article
OpenAlex
R. Aaij, C. Abellán Beteta, T. Ackernley, B. Adeva et autres
Abstract Using a data sample corresponding to an integrated luminosity of 2.0 $$\, \text {fb} ^{-1}$$ fb-1 , collected by the LHCb experiment, the production of the $${\eta _{c}} (1S)$$ ηc(1S) state in proton–proton collisions at a centre-of-mass energy of $$\sqrt{s} =13$$ …
nl, ch, gb, es, fr, us, it, de, ru, br, cn, pl
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Accès ouvert
2019
article
OpenAlex
Jordan T Gebhardt, K. A. Thomson, Jason C Woodworth, Steven S Dritz et autres
An experiment was conducted to evaluate the effect of dietary medium-chain fatty acid (MCFA) addition on nursery pig growth performance, fecal microbial composition, and mitigation of porcine epidemic diarrhea virus (PEDV) following storage. A total of 360 pigs (DNA 400 × 200, …
us
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