Abstract: We investigate a speculative short-distance force, proposed to explain discrepancies observed between measurements of certain neutral current decays of B hadrons and their Standard Model predictions. The force derives...
Abstract: We investigate a speculative short-distance force, proposed to explain discrepancies observed between measurements of certain neutral current decays of B hadrons and their Standard Model predictions. The force derives...
Abstract: We investigate a speculative short-distance force, proposed to explain discrepancies observed between measurements of certain neutral current decays of B hadrons and their Standard Model predictions. The force derives...
Abstract: We investigate a speculative short-distance force, proposed to explain discrepancies observed between measurements of certain neutral current decays of B hadrons and their Standard Model predictions. The force derives...
The $B^0 \to K^{*0} \overline{K}^{*0}$ and $B^0_s \to K^{*0}
\overline{K}^{*0}$ decays are studied using proton-proton collision data
corresponding to an integrated luminosity of 3fb$^{-1}$. An untagged and
time-integrated...
A search for the decay $B^0\to\phi\mu^+\mu^-$ 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...
A measurement of four branching-fraction ratios for three-body decays of $B$
mesons involving two open-charm hadrons in the final state is presented. Run 1
and Run 2 $pp$ collision data are used, recorded by the LHCb experiment...
The Cabibbo-suppressed semileptonic decay $B^{+}\to
p\overline{p}\mu^{+}\nu_{\mu}$ is observed for the first time using a sample of
$pp$ collisions corresponding to an integrated luminosity of 1.0, 2.0 and
1.7fb$^{-1}$ at...
A search for the decay $B^0\to\phi\mu^+\mu^-$ 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...
PURPOSE: The B-MaP-C study investigated changes to breast cancer care that were necessitated by the COVID-19 pandemic. Here we present a follow-up analysis of those patients commenced on bridging endocrine therapy (BrET), whilst...
Abstract: Measurements of CP observables in B± → D(*)K± and B± → D(*)π± decays are presented, where D(∗) indicates a neutral D or D∗ meson that is an admixture of meson and anti-meson states. Decays of the D(∗) meson to the Dπ0...
Abstract: A search is presented for the lepton flavour violating decay B+ → K+μ−τ+ using a sample of proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to...
Abstract: Measurements of CP observables in B± → D(*)K± and B± → D(*)π± decays are presented, where D(∗) indicates a neutral D or D∗ meson that is an admixture of meson and anti-meson states. Decays of the D(∗) meson to the Dπ0...
Abstract: Measurements of CP observables in B± → DK± and B± → Dπ± decays are presented, where D represents a superposition of D0 and D¯0 states. The D meson is reconstructed in the three-body final states KS0K±π∓ and KS0K∓π±....
Abstract: We report on the calculation of the next-to-leading order QCD corrections to the production of a tt¯ pair in association with two heavy-flavour jets. We concentrate on the di-lepton tt¯ decay channel at the LHC with s...
Abstract: A search is presented for the lepton flavour violating decay B+ → K+μ−τ+ using a sample of proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to...
A study of $B^+ \rightarrow J/\psi \eta K^+$ decays, followed by $J/\psi
\rightarrow \mu^+ \mu^-$ and $\eta \rightarrow \gamma \gamma$, is performed
using a dataset collected with the LHCb detector in proton-proton collisions...
An angular analysis of the $B^0 \to K^{*0} e^+ e^-$ decay is performed using
a data sample corresponding to an integrated luminosity of $9~{\rm fb}^{-1}$ of
$pp$ collisions collected with the LHCb experiment. The analysis is...
Abstract: A structure is observed in the B±K∓ mass spectrum in a sample of proton–proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated...
Abstract: A measurement of CP-violating observables is performed using the decays B± → DK± and B± → Dπ±, where the D meson is reconstructed in one of the self-conjugate three-body final states KS0π+π− and KS0K+K− (commonly...
Measurements of $C\!P$ observables in $B^\pm \rightarrow D^{(*)} K^\pm$ and
$B^\pm \rightarrow D^{(*)} \pi^\pm$ decays are presented, where $D^{(*)}$
indicates a neutral $D$ or $D^*$ meson that is an admixture of meson...
Abstract: Measurements of CP observables in B± → DK± and B± → Dπ± decays are presented, where D represents a superposition of D0 and D¯0 states. The D meson is reconstructed in the three-body final states KS0K±π∓ and KS0K∓π±....
The time-dependent $CP$ asymmetries of $B^0\to \pi^+\pi^-$ and
$B^0_\mathrm{s}\!\to K^+K^-$ decays are measured using a data sample of $pp$
collisions corresponding to an integrated luminosity of 1.9 fb$^{-1}$,
collected with...
Phosphoinositide-3 kinase (PI3K) signaling is important for the survival of numerous cell types and class IA of PI3K is specifically required for the development of B cells but not for T cell development. Here, we show that...