C. Vacca

activity

20142018

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 10k across the 130 of their papers we have counts for

collaborators

Showing 2018Show all

14 papers · 1 filter

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★ 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★ 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★ 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…

hep-ex2018★ 119 cited

Observation of a new $Ξ_{b}^{-}$ resonance

R. Aaij, B. Adeva, M. Adinolfi +806

From samples of $pp$ collision data collected by the LHCb experiment at $s = 7$ , $8$ and $13$ TeV corresponding to integrated luminosities of 1.0, 2.0 and 1.5 fb $^{- 1}$ , respe…

hep-ex2018★ 40 cited

Measurement of $C P$ asymmetries in two-body $B_{(s)}^{0}$ -meson decays to charged pions and kaons

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

The time-dependent $C P$ asymmetries in $B^{0} \to π^{+} π^{-}$ and $B_{s}^{0} \to K^{+} K^{-}$ decays are measured using a data sample of $pp$ collisions corresponding to an integrated luminosity…

hep-ex2018★ 29 cited

Search for CP violation using triple product asymmetries in $Λ_{b}^{0} \to p K^{-} π^{+} π^{-}$ , $Λ_{b}^{0} \to p K^{-} K^{+} K^{-}$ and $Ξ_{b}^{0} \to p K^{-} K^{-} π^{+}$ decays

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

A search for $C$ P and $P$ violation using triple-product asymmetries is performed with $Λ_{b}^{0} \to p K^{-} π^{+} π^{-}$ , $Λ_{b}^{0} \to p K^{-} K^{+} K^{-}$ and $Ξ^{0}_{b}\to pK^{-}K^{-…

hep-ex2018★ 16 cited

Observation of the decay $Λ_{b}^{0} \to Λ_{c}^{+} p p π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +787

The decay $Λ_{b}^{0} \to Λ_{c}^{+} p p π^{-}$ is observed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of $s =$ 7 and 8 TeV, corresp…

hep-ex2018★ 55 cited

Measurement of $Υ$ production in $pp$ collisions at $s$ = 13 TeV

LHCb collaboration, R. Aaij, B. Adeva +782

The production cross-sections of $Υ (1 S)$ , $Υ (2 S)$ and $Υ (3 S)$ mesons in proton-proton collisions at $s$ = 13 TeV are measured with a data sample corresponding to an integrate…

hep-ex2018★ 22 cited

Measurement of forward top pair production in the dilepton channel in $pp$ collisions at $s = 13$ TeV

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

Forward top quark pair production is studied in $pp$ collisions in the $μ e b$ final state using a data sample corresponding to an integrated luminosity of 1.93 fb $^{- 1}$ collected w…

hep-ex2018★ 14 cited

A search for weakly decaying b-flavored pentaquarks

LHCb collaboration, R. Aaij, B. Adeva +790

Investigations of the existence of pentaquark states containing a single $b$ (anti)quark decaying weakly into four specific final states J/ $ψ K^{+} π^{-} p$ , J/ $ψ K^{-} π^{-} p$ , J/$ψK^- π^+…

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

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

Observation of the decay Bs0​→D0K+K−

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

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

Observation of a new Ξb−​ resonance

Measurement of CP asymmetries in two-body B(s)0​-meson decays to charged pions and kaons

Search for CP violation using triple product asymmetries in Λb0​→pK−π+π−, Λb0​→pK−K+K− and Ξb0​→pK−K−π+ decays

Observation of the decay Λb0​→Λc+​pp​π−

Measurement of Υ production in pp collisions at s​= 13 TeV

Measurement of forward top pair production in the dilepton channel in pp collisions at s​=13 TeV