Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari

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19922026

most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2018 · hep-exShow all

32 papers · 2 filters

hep-ex2018★ 118 cited

Design and performance of the LHCb trigger and full real-time reconstruction in Run 2 of the LHC

R. Aaij, S. Akar, J. Albrecht +138

The LHCb collaboration has redesigned its trigger to enable the full offline detector reconstruction to be performed in real time. Together with the real-time alignment and calibra…

hep-ex2018★ 9 cited

Measurement of the branching fraction and $C P$ asymmetry in $B^{+} \to J / ψ ρ^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +844

The branching fraction and direct $C P$ asymmetry of the decay $B^{+} \to J / ψ ρ^{+}$ are measured using proton-proton collision data collected with the LHCb detector at cent…

hep-ex2018★ 18 cited

Search for the rare decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +844

A search for the rare leptonic decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$ is performed using proton-proton collision data corresponding to an integrated luminosity of $4.7$ fb$…

hep-ex2018★ 76 cited

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

LHCb collaboration, R. Aaij, C. Abellán Beteta +837

The first observation of two structures consistent with resonances in the final states $Λ_{b}^{0} π^{-}$ and $Λ_{b}^{0} π^{+}$ is reported using samples of $pp$ collision data collected by the…

hep-ex2018★ 76 cited

First measurement of charm production in fixed-target configuration at the LHC

LHCb collaboration, R. Aaij, B. Adeva +834

The first measurement of heavy-flavour production by the LHCb experiment in its fixed-target mode is presented. The production of $J / ψ$ and $D^{0}$ mesons is studied with beams of pr…

hep-ex2018★ 22 cited

Measurement of the charm-mixing parameter $y_{C P}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

A measurement of the charm-mixing parameter $y_{C P}$ using $D^{0} \to K^{+} K^{-}$ , $D^{0} \to π^{+} π^{-}$ , and $D^{0} \to K^{-} π^{+}$ decays is reported. The $D^{0}$ mesons are required to originat…

hep-ex2018★ 9 cited

Measurement of the branching fractions of the decays $D^{+} \to K^{-} K^{+} K^{+}$ , $D^{+} \to π^{-} π^{+} K^{+}$ and $D_{s}^{+} \to π^{-} K^{+} K^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

The branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{-} K^{+} K^{+}$ , $D^{+} \to π^{-} π^{+} K^{+}$ and $D_{s}^{+} \to π^{-} K^{+} K^{+}$ are measured using the decays…

hep-ex2018★ 64 cited

Evidence for an $η_{c} (1 S) π^{-}$ resonance in $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +842

A Dalitz plot analysis of $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays is performed using data samples of $pp$ collisions collected with the LHCb detector at centre-of-mass energies of $\sqrt{s…

hep-ex2018

Measurement of the $Ω_{c}^{0}$ baryon lifetime

LHCb collaboration, R. Aaij, B. Adeva +834

We report a measurement of the lifetime of the $Ω_{c}^{0}$ baryon using proton-proton collision data at center-of-mass energies of 7 and 8~TeV, corresponding to an integrated luminosit…

hep-ex2018★ 10 cited

Search for lepton-flavour-violating decays of Higgs-like bosons

LHCb collaboration, R. Aaij, C. Abellán Beteta +835

A search is presented for a Higgs-like boson with mass in the range 45 to 195 GeV/ $c^{2}$ decaying into a muon and a tau lepton. The dataset consists of proton-proton interactions at…

hep-ex2018★ 69 cited

Measurement of antiproton production in $pHe$ collisions at $s_{N N} = 110$ GeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +839

The cross-section for prompt antiproton production in collisions of protons with an energy of $6.5$ TeV incident on helium nuclei at rest is measured with the LHCb experiment from…

hep-ex2018★ 45 cited

Prospects for Measurements with Strange Hadrons at LHCb

A. A. Alves Junior, M. O. Bettler, A. Brea Rodríguez +23

This report details the capabilities of LHCb and its upgrades towards the study of kaons and hyperons. The analyses performed so far are reviewed, elaborating on the prospects for…

hep-ex2018★ 64 cited

Angular moments of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ at low hadronic recoil

LHCb collaboration, R. Aaij, B. Adeva +835

An analysis of the angular distribution of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ is presented, using data collected with the LHCb detector between 2011 and 2016 and correspond…

hep-ex2018★ 114 cited

Measurement of the lifetime of the doubly charmed baryon $Ξ_{cc}^{++}$

LHCb collaboration, R. Aaij, B. Adeva +832

The first measurement of the lifetime of the doubly charmed baryon $Ξ_{cc}^{++}$ is presented, with the signal reconstructed in the final state $Λ_{c}^{+} K^{-} π^{+} π^{+}$ . The data sample…

hep-ex2018★ 8 cited

Measurement of the relative $B^{-} \to D^{0} / D^{* 0} / D^{** 0} μ^{-} ν_{μ}$ branching fractions using $B^{-}$ mesons from $B_{s 2}^{* 0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +834

The decay of the narrow resonance $B_{s 2}^{* 0} \to B^{-} K^{+}$ can be used to determine the $B^{-}$ momentum in partially reconstructed decays without any assumpti…

hep-ex2018★ 168 cited

First observation of the doubly charmed baryon decay $Ξ_{cc}^{++} \to Ξ_{c}^{+} π^{+}$

LHCb collaboration, R. Aaij, B. Adeva +834

The doubly charmed baryon decay $Ξ_{cc}^{++} \to Ξ_{c}^{+} π^{+}$ is observed for the first time, with a statistical significance of $5.9 σ$ , confirming a recent observation…

hep-ex2018★ 15 cited

Observation of $B_{s}^{0} \to D^{* 0} ϕ$ and search for $B^{0} \to D^{0} ϕ$ decays

LHCb collaboration, R. Aaij, B. Adeva +807

The first observation of the $B_{s}^{0} \to D^{* 0} ϕ$ decay is reported, with a significance of more than seven standard deviations, from an analysis of $pp$ collision data…

hep-ex2018★ 16 cited

Observation of the decay $B_{s}^{0} \to D^{0} K^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +808

The first observation of the $B_{s}^{0} \to D^{0} K^{+} K^{-}$ decay is reported, together with the most precise branching fraction measurement of the mode $B^0 \to \overline{D}^0…

hep-ex2018★ 12 cited

Measurement of $C P$ violation in $B^{0} \to D^{\mp} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +786

A measurement of the $C P$ asymmetries $S_{f}$ and $S_{f ˉ}$ in $B^{0} \to D^{\mp} π^{\pm}$ decays is reported. The decays are reconstructed in a dataset collected with the LHCb exp…

hep-ex2018★ 26 cited

Measurement of angular and CP asymmetries in $D^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ and $D^{0} \to K^{+} K^{-} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +832

The first measurements of the forward-backward asymmetry of the dimuon pair ( $A_{F B}$ ), the triple-product asymmetry ( $A_{2 ϕ}$ ), and the charge-parity-conjugation asymmetry ($A_{CP…

hep-ex2018★ 3 cited

Observation of the decay $B_{s}^{0} \to χ_{c 2} K^{+} K^{-}$ in the $φ$ mass region

LHCb collaboration, R. Aaij, B. Adeva +828

The $B_{s}^{0} \to χ_{c 2} K^{+} K^{-}$ decay mode is observed and its branching fraction relative to the corresponding $χ_{c 1}$ decay mode, in a $\pm 15 \textrm{MeV}/c^…

hep-ex2018★ 14 cited

Observation of the decay $Λ_{b}^{0} \to ψ (2 S) p π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +834

The Cabibbo-suppressed decay $Λ_{b}^{0} \to ψ (2 S) p π^{-}$ is observed for the first time using a data sample collected by the LHCb experiment in proton-proton collisions correspondi…

hep-ex2018★ 21 cited

Measurement of the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ , $K_{S}^{0} K^{+} K^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +819

A binned Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ decays, with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$ , is used to perform a measurement of the CP-violating obse…

hep-ex2018★ 12 cited

Measurement of $D_{s}^{\pm}$ production asymmetry in $pp$ collisions at $s = 7$ and 8 TeV

R. Aaij, B. Adeva, M. Adinolfi +786

The inclusive $D_{s}^{\pm}$ production asymmetry is measured in $pp$ collisions collected by the LHCb experiment at centre-of-mass energies of $s = 7$ and 8 TeV. Promptly produ…

Design and performance of the LHCb trigger and full real-time reconstruction in Run 2 of the LHC

Measurement of the branching fraction and CP asymmetry in B+→J/ψρ+ decays

Search for the rare decay B+→μ+μ−μ+νμ​

Observation of two resonances in the Λb0​π± systems and precise measurement of Σb±​ and Σb∗±​ properties

First measurement of charm production in fixed-target configuration at the LHC

Measurement of the charm-mixing parameter yCP​

Measurement of the branching fractions of the decays D+→K−K+K+, D+→π−π+K+ and Ds+​→π−K+K+

Evidence for an ηc​(1S)π− resonance in B0→ηc​(1S)K+π− decays

Measurement of the Ωc0​ baryon lifetime

Search for lepton-flavour-violating decays of Higgs-like bosons

Measurement of antiproton production in pHe collisions at sNN​​=110 GeV

Prospects for Measurements with Strange Hadrons at LHCb

Angular moments of the decay Λb0​→Λμ+μ− at low hadronic recoil

Measurement of the lifetime of the doubly charmed baryon Ξcc++​

Measurement of the relative B−→D0/D∗0/D∗∗0μ−νμ​ branching fractions using B− mesons from Bs2∗0​ decays

First observation of the doubly charmed baryon decay Ξcc++​→Ξc+​π+

Observation of Bs0​→D∗0ϕ and search for B0→D0ϕ decays

Observation of the decay Bs0​→D0K+K−

Measurement of CP violation in B0→D∓π± decays

Measurement of angular and CP asymmetries in D0→π+π−μ+μ− and D0→K+K−μ+μ− decays

Observation of the decay Bs0​​→χc2​K+K− in the φ mass region

Observation of the decay Λb0​→ψ(2S)pπ−

Measurement of the CKM angle γ using B±→DK± with D→KS0​π+π−, KS0​K+K− decays

Measurement of Ds±​ production asymmetry in pp collisions at s​=7 and 8 TeV

Measurement of the branching fraction and $C P$ asymmetry in $B^{+} \to J / ψ ρ^{+}$ decays

Search for the rare decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

Measurement of the charm-mixing parameter $y_{C P}$

Measurement of the branching fractions of the decays $D^{+} \to K^{-} K^{+} K^{+}$ , $D^{+} \to π^{-} π^{+} K^{+}$ and $D_{s}^{+} \to π^{-} K^{+} K^{+}$

Evidence for an $η_{c} (1 S) π^{-}$ resonance in $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

Measurement of the $Ω_{c}^{0}$ baryon lifetime

Measurement of antiproton production in $pHe$ collisions at $s_{N N} = 110$ GeV

Angular moments of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ at low hadronic recoil

Measurement of the lifetime of the doubly charmed baryon $Ξ_{cc}^{++}$

Measurement of the relative $B^{-} \to D^{0} / D^{* 0} / D^{** 0} μ^{-} ν_{μ}$ branching fractions using $B^{-}$ mesons from $B_{s 2}^{* 0}$ decays

First observation of the doubly charmed baryon decay $Ξ_{cc}^{++} \to Ξ_{c}^{+} π^{+}$

Observation of $B_{s}^{0} \to D^{* 0} ϕ$ and search for $B^{0} \to D^{0} ϕ$ decays

Observation of the decay $B_{s}^{0} \to D^{0} K^{+} K^{-}$

Measurement of $C P$ violation in $B^{0} \to D^{\mp} π^{\pm}$ decays

Measurement of angular and CP asymmetries in $D^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ and $D^{0} \to K^{+} K^{-} μ^{+} μ^{-}$ decays

Observation of the decay $B_{s}^{0} \to χ_{c 2} K^{+} K^{-}$ in the $φ$ mass region

Observation of the decay $Λ_{b}^{0} \to ψ (2 S) p π^{-}$

Measurement of the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ , $K_{S}^{0} K^{+} K^{-}$ decays

Measurement of $D_{s}^{\pm}$ production asymmetry in $pp$ collisions at $s = 7$ and 8 TeV