W. Bonivento

activity

19982026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 24.4k across the 312 of their papers we have counts for

collaborators

Showing 2016Show all

34 papers · 1 filter

hep-ex2016★ 77 cited

Measurement of the $J / ψ$ pair production cross-section in $pp$ collisions at $s = 13 TeV$

LHCb collaboration, R. Aaij, B. Adeva +763

The production cross-section of $J / ψ$ pairs is measured using a data sample of $pp$ collisions collected by the LHCb experiment at a centre-of-mass energy of $\sqrt{s} = 13 \,{\mat…

hep-ex2016★ 66 cited

Measurement of the phase difference between short- and long-distance amplitudes in the $B^{+} \to K^{+} μ^{+} μ^{-}$ decay

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

A measurement of the phase difference between the short- and long-distance contributions to the $B^{+} \to K^{+} μ^{+} μ^{-}$ decay is performed by analysing the dimuon mass distribut…

hep-ex2016★ 7 cited

Measurement of the ratio of branching fractions and difference in $C P$ asymmetries of the decays $B^{+} \to J / ψ π^{+}$ and $B^{+} \to J / ψ K^{+}$

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

The ratio of branching fractions and the difference in $C P$ asymmetries of the decays $B^{+} \to J / ψ π^{+}$ and $B^{+} \to J / ψ K^{+}$ are measured using a data sample of $pp$ collisions collec…

hep-ex2016★ 15 cited

Search for $C P$ violation in the phase space of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +769

A search for time-integrated $C P$ violation in the Cabibbo-suppressed decay $\mbox{$D^0\rightarrowπ^+π^-π^+π^-$}$ is performed using an unbinned, model-independent technique known…

hep-ex2016★ 71 cited

Search for massive long-lived particles decaying semileptonically in the LHCb detector

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

A search is presented for massive long-lived particles decaying into a muon and two quarks. The dataset consists of proton-proton interactions at centre-of-mass energies of 7 and 8…

physics.ins-det2016★ 11 cited

Effect of Low Electric Fields on Alpha Scintillation Light Yield in Liquid Argon

P. Agnes, I. F. M. Albuquerque, T. Alexander +158

Measurements were made of scintillation light yield of alpha particles from the $^{222}$ Rn decay chain within the DarkSide-50 liquid argon time projection chamber. The light yield…

hep-ex2016★ 21 cited

Search for decays of neutral beauty mesons into four muons

LHCb collaboration, R. Aaij, B. Adeva +768

A search for the non-resonant decays $B_{s}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ is presented. The measurement is performed using the full R…

hep-ex2016

Measurements of charm mixing and $C P$ violation using $D^{0} \to K^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, B. Adeva +766

Measurements of charm mixing and $C P$ violation parameters from the decay-time-dependent ratio of $D^{0} \to K^{+} π^{-}$ to $D^{0} \to K^{-} π^{+}$ decay rates and the charge-conjugate…

physics.ins-det2016★ 11 cited

CALIS - a CALibration Insertion System for the DarkSide-50 dark matter search experiment

P. Agnes, I. F. M. Albuquerque, T. Alexander +162

This paper describes the design, fabrication, commissioning and use of a CALibration source Insertion System (CALIS) in the DarkSide-50 direct dark matter search experiment. CALIS…

hep-ph2016★ 14 cited

Polarization of photons emitted by decaying dark matter

W. Bonivento, D. Gorbunov, M. Shaposhnikov +1

Radiatively decaying dark matter may be searched through investigating the photon spectrum of galaxies and galaxy clusters. We explore whether the properties of dark matter can be…

hep-ex2016★ 37 cited

Measurements of prompt charm production cross-sections in $pp$ collisions at $s = 5$ TeV

LHCb collaboration, R. Aaij, B. Adeva +768

Production cross-sections of prompt charm mesons are measured using data from $pp$ collisions at the LHC at a centre-of-mass energy of $5$ TeV. The data sample corresponds to an i…

hep-ex2016★ 117 cited

Measurement of matter-antimatter differences in beauty baryon decays

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

Differences in the behaviour of matter and antimatter have been observed in $K$ and $B$ meson decays, but not yet in any baryon decay. Such differences are associated with the non-…

hep-ex2016★ 43 cited

Search for Higgs-like bosons decaying into long-lived exotic particles

LHCb collaboration, R. Aaij, B. Adeva +736

A search is presented for massive long-lived particles, in the 20-60 GeV mass range with lifetimes between 5 and 100 ps. The dataset used corresponds to 0.62 1\fb of proton-proton…

hep-ex2016★ 92 cited

Search for structure in the $B_{s}^{0} π^{\pm}$ invariant mass spectrum

LHCb collaboration, R. Aaij, B. Adeva +761

The $B_{s}^{0} π^{\pm}$ invariant mass distribution is investigated in order to search for possible exotic meson states. The analysis is based on a data sample recorded with the LHCb dete…

hep-ex2016★ 31 cited

Observation of $η_{c} (2 S) \to p p ˉ$ and search for $X (3872) \to p p ˉ$ decays

LHCb collaboration, R. Aaij, B. Adeva +750

The first observation of the decay $η_{c} (2 S) \to p p ˉ$ is reported using proton-proton collision data corresponding to an integrated luminosity of $3.0 f b^{- 1}$ recorded…

hep-ex2016★ 41 cited

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, B. Adeva +755

The ratio of branching fractions $R_{K / π} \equiv B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$ is measured with $pp$ collision data collected by the LHCb…

hep-ex2016★ 30 cited

Study of $B_{c}^{+}$ decays to the $K^{+} K^{-} π^{+}$ final state and evidence for the decay $B_{c}^{+} \to χ_{c 0} π^{+}$

LHCb collaboration, R. Aaij, B. Adeva +761

A study of $B_{c}^{+} \to K^{+} K^{-} π^{+}$ decays is performed for the first time using data corresponding to an integrated luminosity of 3.0 $fb^{- 1}$ collected by the LHCb experime…

hep-ex2016★ 136 cited

Amplitude analysis of $B^{+} \to J / ψ ϕ K^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +751

The first full amplitude analysis of $B^{+} \to J / ψ ϕ K^{+}$ with $J / ψ \to μ^{+} μ^{-}$ , $ϕ \to K^{+} K^{-}$ decays is performed with a data sample of 3 fb $^{- 1}$ of $pp$ collision data collected at $…

hep-ex2016★ 224 cited

Observation of $J / ψ ϕ$ structures consistent with exotic states from amplitude analysis of $B^{+} \to J / ψ ϕ K^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +751

hep-ex2016★ 154 cited

Evidence for exotic hadron contributions to $Λ_{b}^{0} \to J / ψ p π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +739

A full amplitude analysis of $Λ_{b}^{0} \to J / ψ p π^{-}$ decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV $pp$ collisions, corresponding to an integ…

hep-ex2016

Measurements of the S-wave fraction in $B^{0} \to K^{+} π^{-} μ^{+} μ^{-}$ decays and the $B^{0} \to K^{*} (892)^{0} μ^{+} μ^{-}$ differential branching fraction

LHCb collaboration, R. Aaij, B. Adeva +731

A measurement of the differential branching fraction of the decay $B^{0} \to K^{*} (892)^{0} μ^{+} μ^{-}$ is presented together with a determination of the S-wave fraction…

hep-ex2016★ 40 cited

Measurement of the $C P$ asymmetry in $B_{s}^{0} - B_{s}^{0}$ mixing

LHCb collaboration, R. Aaij, B. Adeva +735

The $C P$ asymmetry in the mixing of $B_{s}^{0}$ and $B_{s}^{0}$ mesons is measured in proton-proton collision data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ ,…

hep-ex2016★ 10 cited

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

LHCb collaboration, R. Aaij, C. Abellán Beteta +716

A model-dependent amplitude analysis of the decay $B^{0} \to D (K_{S}^{0} π^{+} π^{-}) K^{* 0}$ is performed using proton-proton collision data corresponding to an integrated luminosity o…

hep-ex2016★ 35 cited

A precise measurement of the $B^{0}$ meson oscillation frequency

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

The oscillation frequency, $Δ m_{d}$ , of $B^{0}$ mesons is measured using semileptonic decays with a $D^{-}$ or $D^{*-}$ meson in the final state, in a data sample of $pp$ collisions coll…

Measurement of the J/ψ pair production cross-section in pp collisions at s​=13TeV

Measurement of the phase difference between short- and long-distance amplitudes in the B+→K+μ+μ− decay

Measurement of the ratio of branching fractions and difference in CP asymmetries of the decays B+→J/ψπ+ and B+→J/ψK+

Search for CP violation in the phase space of D0→π+π−π+π− decays

Search for massive long-lived particles decaying semileptonically in the LHCb detector

Effect of Low Electric Fields on Alpha Scintillation Light Yield in Liquid Argon

Search for decays of neutral beauty mesons into four muons

Measurements of charm mixing and CP violation using D0→K±π∓ decays

CALIS - a CALibration Insertion System for the DarkSide-50 dark matter search experiment

Polarization of photons emitted by decaying dark matter

Measurements of prompt charm production cross-sections in pp collisions at s​=5TeV

Measurement of matter-antimatter differences in beauty baryon decays

Search for Higgs-like bosons decaying into long-lived exotic particles

Search for structure in the Bs0​π± invariant mass spectrum

Observation of ηc​(2S)→ppˉ​ and search for X(3872)→ppˉ​ decays

Measurement of the ratio of branching fractions B(Bc+​→J/ψK+)/B(Bc+​→J/ψπ+)

Study of Bc+​ decays to the K+K−π+ final state and evidence for the decay Bc+​→χc0​π+

Amplitude analysis of B+→J/ψϕK+ decays

Observation of J/ψϕ structures consistent with exotic states from amplitude analysis of B+→J/ψϕK+ decays

Evidence for exotic hadron contributions to Λb0​→J/ψpπ− decays

Measurements of the S-wave fraction in B0→K+π−μ+μ− decays and the B0→K∗(892)0μ+μ− differential branching fraction

Measurement of the CP asymmetry in Bs0​−Bs0​ mixing

Measurement of the CKM angle γ using B0→DK∗0 with D→KS0​π+π− decays

A precise measurement of the B0 meson oscillation frequency