F. Betti

activity

20162023

B_{s}^{0} \to τ^{+} τ^{-}

and

B^{0} \to τ^{+} τ^{-}

94 citations · 734 across the 27 of their papers we have counts for

collaborators

27 papers

hep-ex2023

CKM and $C P$ violation in beauty and charm decays in LHCb

Federico Betti

Measurements of $C P$ violation and Cabibbo-Kobayashi-Maskawa matrix in beauty and charm hadron decays are the core business of the LHCb physics programme. In this contribution, t…

hep-ex2019★ 1 cited

Observation of CP violation in charm decays at LHCb

Federico Betti

A search for charge-parity (CP) violation in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays is reported, using $pp$ collision data corresponding to an integrated luminosity of 5.9 $…

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★ 40 cited

Study of $Υ$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +840

The production of $Υ (n S)$ mesons ( $n = 1, 2, 3$ ) in $p$ Pb and Pb $p$ collisions at a centre-of-mass energy per nucleon pair $s_{N N} = 8.16$ TeV is measured by the LHCb experiment,…

hep-ex2018★ 82 cited

Central exclusive production of $J / ψ$ and $ψ (2 S)$ mesons in $pp$ collisions at $s = 13$ TeV

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

Measurements are reported of the central exclusive production of \jpsi and \psitwos mesons in $pp$ collisions at a centre-of-mass energy of 13 TeV. Backgrounds are significantly re…

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…

hep-ex2018★ 32 cited

Evidence for the decay $B_{s}^{0} \to K^{* 0} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +788

A search for the decay $B_{s}^{0} \to K^{* 0} μ^{+} μ^{-}$ is presented using data sets corresponding to 1.0, 2.0 and 1.6 $fb^{- 1}$ of integrated luminosity coll…

hep-ex2017★ 33 cited

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +792

A search for the flavor-changing neutral-current decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$ is reported using a data set corresponding to an integrated luminosity of $3.0 f b^{- 1}$ collected…

hep-ex2017★ 34 cited

A measurement of the $C P$ asymmetry difference in $Λ_{c}^{+} \to p K^{-} K^{+}$ and $p π^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +791

The difference between the $C P$ asymmetries in the decays $Λ_{c}^{+} \to p K^{-} K^{+}$ and $Λ_{c}^{+} \to p π^{-} π^{+}$ is presented. Proton-proton collision data t…

hep-ex2017★ 24 cited

Search for excited $B_{c}^{+}$ states

LHCb collaboration, R. Aaij, B. Adeva +792

A search is performed in the invariant mass spectrum of the $B_{c}^{+} π^{+} π^{-}$ system for the excited $B_{c}^{+}$ states $B_{c} (2^{1} S_{0})^{+}$ and $B_{c} (2^{3} S_{1})^{+}$ using a data sam…

hep-ex2017★ 33 cited

Updated determination of $D^{0}$ - $D^{0}$ mixing and CP violation parameters with $D^{0} \to K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +792

We report measurements of charm-mixing parameters based on the decay-time-dependent ratio of $D^{0} \to K^{+} π^{-}$ to $D^{0} \to K^{-} π^{+}$ rates. The analysis uses a data sample of proton-pro…

hep-ex2017★ 12 cited

First observation of $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays and a search for $B^{+} \to D_{s}^{+} ϕ$ decays

LHCb collaboration, R. Aaij, B. Adeva +797

A search for $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 4.8 fb $^{- 1}$ , collected at centre-of-mass ene…

hep-ex2017★ 5 cited

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +804

The decay $Z \to b b ˉ$ is reconstructed in $pp$ collision data, corresponding to 2 fb $^{- 1}$ of integrated luminosity, collected by the LHCb experiment at a centre-of-…

hep-ex2017★ 14 cited

Bose-Einstein correlations of same-sign charged pions in the forward region in $pp$ collisions at $s$ = 7 TeV

LHCb collaboration, R. Aaij, B. Adeva +805

Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb…

hep-ex2017

Tests of Lepton Flavour Universality with Semileptonic Decays at LHCb

Federico Betti

The observable $R (D^{(*)}) = B (B^{0} \to D^{(*) -} τ^{+} ν_{τ}) / B (B^{0} \to D^{(*) -} μ^{+} ν_{μ})$ is a probe for L…

hep-ex2017★ 29 cited

Improved limit on the branching fraction of the rare decay $K_{S}^{0} \to μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +767

A search for the decay $K_{S}^{0} \to μ^{+} μ^{-}$ is performed, based on a data sample of proton-proton collisions corresponding to an integrated luminosity of 3 fb$^{-1…

hep-ex2017★ 1 cited

Measurement of $R (D^{*})$ with Three-Prong $τ$ Decays at LHCb

Federico Betti

The observable $R (D^{(*)}) = B (B^{0} \to D^{(*) -} τ^{+} ν_{τ}) / B (B^{0} \to D^{(*) -} μ^{+} ν_{μ})$ is a probe for Lepton Unive…

hep-ex2017★ 24 cited

Measurement of $B_{s}^{0}$ and $D_{s}^{-}$ meson lifetimes

LHCb collaboration, R. Aaij, B. Adeva +774

We report on a measurement of the flavor-specific $B_{s}^{0}$ lifetime and of the $D_{s}^{-}$ lifetime using proton-proton collisions at center-of-mass energies of 7 and 8 TeV, col…

hep-ex2017★ 14 cited

Observation of charmless baryonic decays $B_{(s)}^{0} \to p p h^{+} h^{' -}$

LHCb collaboration, R. Aaij, B. Adeva +770

Decays of $B^{0}$ and $B_{s}^{0}$ mesons to the charmless baryonic final states $p p h^{+} h^{' -}$ , where $h$ and $h^{'}$ each denote a kaon or a pion, are searched fo…

hep-ex2017★ 4 cited

Observation of the $B^{+} \to D^{*-} K^{+} π^{+}$ decay

LHCb collaboration, R. Aaij, B. Adeva +771

The $B^{+} \to D^{*-} K^{+} π^{+}$ decay potentially provides an excellent way to investigate charm meson spectroscopy. The decay is searched for in a sample of proton-proton collision dat…

hep-ex2017★ 94 cited

Search for the decays $B_{s}^{0} \to τ^{+} τ^{-}$ and $B^{0} \to τ^{+} τ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +775

A search for the rare decays $B_{s}^{0} \to τ^{+} τ^{-}$ and $B^{0} \to τ^{+} τ^{-}$ is performed using proton--proton collision data collected with the LHCb detector. The data sample corresponds to a…

hep-ex2017★ 14 cited

Observation of the decay $B_{s}^{0} \to η_{c} ϕ$ and evidence for $B_{s}^{0} \to η_{c} π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +762

A study of $B_{s}^{0} \to η_{c} ϕ$ and $B_{s}^{0} \to η_{c} π^{+} π^{-}$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 3.0$\,\rm fb^{-1}…

hep-ex2017★ 19 cited

Measurement of the $B^{\pm}$ production asymmetry and the $C P$ asymmetry in $B^{\pm} \to J / ψ K^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

The $B^{\pm}$ meson production asymmetry in $pp$ collisions is measured using $B^{+} \to D ˉ^{0} π^{+}$ decays. The data were recorded by the LHCb experiment during Run 1 of the LHC…

hep-ex2017★ 82 cited

Study of the $D^{0} p$ amplitude in $Λ_{b}^{0} \to D^{0} p π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

An amplitude analysis of the decay $Λ_{b}^{0} \to D^{0} p π^{-}$ is performed in the part of the phase space containing resonances in the $D^{0} p$ channel. The study is based on a data sampl…

CKM and CP violation in beauty and charm decays in LHCb

Observation of CP violation in charm decays at LHCb

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

Study of Υ production in pPb collisions at sNN​​=8.16 TeV

Central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at s​=13 TeV

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

Evidence for the decay Bs0​→K∗0μ+μ−

Search for the rare decay Λc+​→pμ+μ−

A measurement of the CP asymmetry difference in Λc+​→pK−K+ and pπ−π+ decays

Search for excited Bc+​ states

Updated determination of D0-D0 mixing and CP violation parameters with D0→K+π− decays

First observation of B+→Ds+​K+K− decays and a search for B+→Ds+​ϕ decays

First observation of forward Z→bbˉ production in pp collisions at s​=8 TeV

Bose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at s​ = 7 TeV

Tests of Lepton Flavour Universality with Semileptonic Decays at LHCb

Improved limit on the branching fraction of the rare decay KS0​→μ+μ−

Measurement of R(D∗) with Three-Prong τ Decays at LHCb

Measurement of Bs0​ and Ds−​ meson lifetimes

Observation of charmless baryonic decays B(s)0​→pp​h+h′−

Observation of the B+→D∗−K+π+ decay

Search for the decays Bs0​→τ+τ− and B0→τ+τ−

Observation of the decay Bs0​→ηc​ϕ and evidence for Bs0​→ηc​π+π−

Measurement of the B± production asymmetry and the CP asymmetry in B±→J/ψK± decays

Study of the D0p amplitude in Λb0​→D0pπ− decays

CKM and $C P$ violation in beauty and charm decays in LHCb

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

Study of $Υ$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

Central exclusive production of $J / ψ$ and $ψ (2 S)$ mesons in $pp$ collisions at $s = 13$ TeV

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

Evidence for the decay $B_{s}^{0} \to K^{* 0} μ^{+} μ^{-}$

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

A measurement of the $C P$ asymmetry difference in $Λ_{c}^{+} \to p K^{-} K^{+}$ and $p π^{-} π^{+}$ decays

Search for excited $B_{c}^{+}$ states

Updated determination of $D^{0}$ - $D^{0}$ mixing and CP violation parameters with $D^{0} \to K^{+} π^{-}$ decays

First observation of $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays and a search for $B^{+} \to D_{s}^{+} ϕ$ decays

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

Bose-Einstein correlations of same-sign charged pions in the forward region in $pp$ collisions at $s$ = 7 TeV

Improved limit on the branching fraction of the rare decay $K_{S}^{0} \to μ^{+} μ^{-}$

Measurement of $R (D^{*})$ with Three-Prong $τ$ Decays at LHCb

Measurement of $B_{s}^{0}$ and $D_{s}^{-}$ meson lifetimes

Observation of charmless baryonic decays $B_{(s)}^{0} \to p p h^{+} h^{' -}$

Observation of the $B^{+} \to D^{*-} K^{+} π^{+}$ decay

Search for the decays $B_{s}^{0} \to τ^{+} τ^{-}$ and $B^{0} \to τ^{+} τ^{-}$

Observation of the decay $B_{s}^{0} \to η_{c} ϕ$ and evidence for $B_{s}^{0} \to η_{c} π^{+} π^{-}$

Measurement of the $B^{\pm}$ production asymmetry and the $C P$ asymmetry in $B^{\pm} \to J / ψ K^{\pm}$ decays

Study of the $D^{0} p$ amplitude in $Λ_{b}^{0} \to D^{0} p π^{-}$ decays