D. Galli
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View article: Observation of Orbitally Excited <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msubsup> <mml:mi>B</mml:mi> <mml:mi>c</mml:mi> <mml:mo>+</mml:mo> </mml:msubsup> </mml:math> States
Observation of Orbitally Excited States Open
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 …
View article: Mapping Synthetic Observations to Prestellar Core Models: An Interpretable Machine Learning Approach
Mapping Synthetic Observations to Prestellar Core Models: An Interpretable Machine Learning Approach Open
Observations of molecular lines are a key tool to determine the main physical properties of prestellar cores. However, not all the information is retained in the observational process or easily interpretable, especially when a larger numbe…
View article: Precise determination of the $B_s^0 - \overline{B}_s^0$ oscillation frequency
Precise determination of the $B_s^0 - \overline{B}_s^0$ oscillation frequency Open
Mesons comprising a beauty quark and a strange quark can oscillate between particle (B0s) and antiparticle (B0s) flavour eigenstates, with a frequency given by the mass difference between heavy and light mass eigenstates, deltams. Here we …
View article: Measurement of prompt charged-particle production in $pp$ collisions at $\sqrt{s} = 13\,\mathrm{TeV}$
Measurement of prompt charged-particle production in $pp$ collisions at $\sqrt{s} = 13\,\mathrm{TeV}$ Open
The differential cross-section of prompt inclusive production of long-lived charged particles in proton-proton collisions is measured using a data sample recorded by the LHCb experiment at a centre-of-mass energy of $ \\sqrt{s} $ = 13 TeV.…
View article: Search for the doubly heavy baryons $\\it{\\Xi}_{bc}^{\\rm0}$ and $\\it{\\Omega}_{bc}^{\\rm0}$ decaying to $\\it{\\Lambda_{c}^{+}\\pi^{-}}$ and $\\it{\\Xi_{c}^{+}\\pi^{-}}$
Search for the doubly heavy baryons $\\it{\\Xi}_{bc}^{\\rm0}$ and $\\it{\\Omega}_{bc}^{\\rm0}$ decaying to $\\it{\\Lambda_{c}^{+}\\pi^{-}}$ and $\\it{\\Xi_{c}^{+}\\pi^{-}}$ Open
A search for the doubly heavy baryons $\\it{\\Xi}_{bc}^{\\rm0}$ and $\\it{\\Omega}_{bc}^{\\rm0}$ is performed using $pp$ collision data collected with the LHCb experiment from 2016 to 2018 at a centre-of-mass energy of $13TeV$, correspondi…
View article: Test of lepton universality in beauty-quark decays
Test of lepton universality in beauty-quark decays Open
The Standard Model of particle physics currently provides our best description of fundamental particles and their interactions. The theory predicts that the different charged leptons, the electron, muon and tau, have identical electroweak …
View article: Observation of the decay $\Lambda_b^0\rightarrow\chi_{c1}p\pi^-$
Observation of the decay $\Lambda_b^0\rightarrow\chi_{c1}p\pi^-$ Open
View article: Search for time-dependent $CP$ violation in $D^0 \to K^+ K^-$ and $D^0 \to \pi^+ \pi^-$ decays
Search for time-dependent $CP$ violation in $D^0 \to K^+ K^-$ and $D^0 \to \pi^+ \pi^-$ decays Open
A search for time-dependent violation of the charge-parity symmetry in D0→K+K- and D0→π+π- decays is performed at the LHCb experiment using proton-proton collision data recorded from 2015 to 2018 at a center-of-mass energy of 13 TeV, corre…
View article: Observation of the $B_s^0 \rightarrow D^{\ast \pm} D^{\mp}$ decay
Observation of the $B_s^0 \rightarrow D^{\ast \pm} D^{\mp}$ decay Open
A search for the $B^0_s \\!\\rightarrow D^{*\\pm} D^\\mp$ decay is performed using proton-proton collision data at centre-of-mass energies of $7$, $8$ and $13\\,\\text{TeV}$ collected by the LHCb experiment, corresponding to an integrated …
View article: Measurement of the $B^0_s\to\mu^+\mu^-$ decay properties and search for the $B^0\to\mu^+\mu^-$ and $B^0_s\to\mu^+\mu^-\gamma$ decays
Measurement of the $B^0_s\to\mu^+\mu^-$ decay properties and search for the $B^0\to\mu^+\mu^-$ and $B^0_s\to\mu^+\mu^-\gamma$ decays Open
An improved measurement of the decay $B^0_s\\to\\mu^+\\mu^-$ and searches for the decays $B^0\\to\\mu^+\\mu^-$ and $B^0_s\\to\\mu^+\\mu^-\\gamma$ are performed at the LHCb experiment using data collected in proton-proton collisions at $\\s…
View article: Evidence of a $J/\\psi \\varLambda$ structure and observation of excited $\\varXi^-$ states in the $\\varXi_b^-\\to J/\\psi \\varLambda K^-$ decay
Evidence of a $J/\\psi \\varLambda$ structure and observation of excited $\\varXi^-$ states in the $\\varXi_b^-\\to J/\\psi \\varLambda K^-$ decay Open
First evidence of a structure in the $J/\\psi \\varLambda$ invariant mass distribution is obtained from an amplitude analysis of $\\varXi_b^- \\to J/\\psi \\varLambda K^-$ decays. The observed structure is consistent with being due to a ch…
View article: Search for the rare decay $B^0 \to J/\psi\phi$
Search for the rare decay $B^0 \to J/\psi\phi$ Open
A search for the rare decay $B^{0} \\rightarrow J/\\psi \\phi$ is performed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 ${\\rm fb}…
View article: Probe for LUminosity MEasurement in LHCb
Probe for LUminosity MEasurement in LHCb Open
A new detector capable of measuring the luminosity and beam conditions of the Large Hadron Collider (LHC) is proposed at the interaction point of the LHCb experiment. It will enable real time monitoring of beam parameters, which is of para…
View article: Network simulation of a 40 MHz event building system for the LHCb experiment
Network simulation of a 40 MHz event building system for the LHCb experiment Open
The LHCb experiment will be upgraded in 2021, and a new triggerless readout system will be implemented. In the upgraded system, both Event Building (EB) and event selection will be performed in software for every collision produced in ever…
View article: Measurement of $|V_{cb}|$ with $B_s^0 \to D_s^{(*)-} \mu^+ \nu_{\mu}$ decays
Measurement of $|V_{cb}|$ with $B_s^0 \to D_s^{(*)-} \mu^+ \nu_{\mu}$ decays Open
The element $|V_{cb}|$ of the Cabibbo-Kobayashi-Maskawa matrix is measured using semileptonic $B_s^0$ decays produced in proton-proton collision data collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, corresponding…
View article: Flit-Level InfiniBand Network Simulations of the DAQ System of the LHCb Experiment for Run-3
Flit-Level InfiniBand Network Simulations of the DAQ System of the LHCb Experiment for Run-3 Open
The Large Hadron Collider beauty (LHCb) experiment is designed to study the differences between particles and antiparticles as well as very rare decays in the charm and beauty sector at the (LHC). The detector will be upgraded in 2019, and…
View article: Measurement of the $CP$-violating phase $\phi_s$ from $B_{s}^{0}\to J/\psi\pi^+\pi^-$ decays in 13 TeV $pp$ collisions
Measurement of the $CP$-violating phase $\phi_s$ from $B_{s}^{0}\to J/\psi\pi^+\pi^-$ decays in 13 TeV $pp$ collisions Open
Decays of $B_{s}^{0}$ and $\\overline{B}{}_{s}^{0}$ mesons into $J/\\psi\\pi^+\\pi^-$ final states are studied in a data sample corresponding to 1.9 fb$^{-1}$ of integrated luminosity collected with the LHCb detector in 13 TeV $pp$ collisi…
View article: The LHCb Online system in 2020: trigger-free read-out with (almost exclusively) off-the-shelf hardware
The LHCb Online system in 2020: trigger-free read-out with (almost exclusively) off-the-shelf hardware Open
The LHCb experiment at CERN has decided to optimise its physics reach by removing the first level hardware trigger for 2020 and beyond. In addition to requiring fully redesigned front-end electronics this design creates interesting challen…
View article: Observation of the decay $\overline{B_s^0} \rightarrow \chi_{c2} K^+ K^- $
Observation of the decay $\overline{B_s^0} \rightarrow \chi_{c2} K^+ K^- $ Open
View article: Observation of the decay B0s→¯D0K+K−
Observation of the decay B0s→¯D0K+K− Open
View article: Observation of the decay $\Lambda_b^0 \to \Lambda_c^+ p \overline{p} \pi^-
Observation of the decay $\Lambda_b^0 \to \Lambda_c^+ p \overline{p} \pi^- Open
The decay $\\Lambda_b^0 \\to \\Lambda_c^+ p \\overline{p} \\pi^-$ is observed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of $\\sqrt{s}=$ 7 and 8 TeV, corresponding to an integrated luminosity of 3…
View article: Measurement of $CP$ violation in $B^0\\rightarrow J/\\psi K^0_\\mathrm{S}$ and $B^0\\rightarrow\\psi(2S) K^0_\\mathrm{S}$ decays
Measurement of $CP$ violation in $B^0\\rightarrow J/\\psi K^0_\\mathrm{S}$ and $B^0\\rightarrow\\psi(2S) K^0_\\mathrm{S}$ decays Open
A measurement is presented of decay-time-dependent CP violation in the decays B$^{0}$ → J/ψ K$_{S}^{0}$ and B$^{0}$ → ψ(2S)K$_{S}^{0}$ , where the J/ψ is reconstructed from two electrons and the ψ(2S) from two muons. The analysis uses a sa…
View article: Expression of Interest for a Phase-II LHCb Upgrade: Opportunities in flavour physics, and beyond, in the HL-LHC era
Expression of Interest for a Phase-II LHCb Upgrade: Opportunities in flavour physics, and beyond, in the HL-LHC era Open
A Phase-II Upgrade is proposed for the LHCb experiment in order to take full advantage of the flavour-physics opportunities at the HL-LHC, and other topics that can be studied with a forward spectrometer. This Upgrade, which will be instal…
View article: Measurement of $B^0_s$ and $D^-_s$ meson lifetimes
Measurement of $B^0_s$ and $D^-_s$ meson lifetimes Open
We report on a measurement of the flavor-specific $B^0_s$ lifetime and of the $D^-_s$ lifetime using proton-proton collisions at center-of-mass energies of 7 and 8 TeV, collected by the LHCb experiment and corresponding to 3.0 $fb^{−1}$ of…
View article: Measurement of $CP$ asymmetries in $D^{\pm} ightarrow \eta^{\prime} \pi^{\pm}$ and $D_s^{\pm} ightarrow \eta^{\prime} \pi^{\pm}$ decays
Measurement of $CP$ asymmetries in $D^{\pm} ightarrow \eta^{\prime} \pi^{\pm}$ and $D_s^{\pm} ightarrow \eta^{\prime} \pi^{\pm}$ decays Open
View article: Search for the Lambda(0)(b) -> Lambda eta ' and Lambda(0)(b) -> Lambda eta decays with the LHCb detector
Search for the Lambda(0)(b) -> Lambda eta ' and Lambda(0)(b) -> Lambda eta decays with the LHCb detector Open
A search is performed for the as yet unobserved baryonic Lambda(0)(b) -> Lambda eta' and Lambda(0)(b) -> Lambda eta decays with 3 fb(-1) of proton-proton collision data recorded by the LHCb experiment. The B-0 -> K-s(0)eta' decay is used a…