A. Oyanguren

activity

20012023

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 21.9k across the 318 of their papers we have counts for

collaborators

Showing 2016Show all

35 papers · 1 filter

hep-ex2016★ 66 cited

Measurement of the CKM angle $γ$ from a combination of LHCb results

LHCb collaboration, R. Aaij, B. Adeva +765

A combination of measurements sensitive to the CKM angle $γ$ from LHCb is performed. The inputs are from analyses of time-integrated $B^{+} \to D K^{+}$ , $B^{0} \rightarrow D K…

hep-ex2016★ 50 cited

On the search for the electric dipole moment of strange and charm baryons at LHC

F. J. Botella, L. M. Garcia Martin, D. Marangotto +5

Permanent electric dipole moments (EDMs) of fundamental particles provide powerful probes for physics beyond the Standard Model. We propose to search for the EDM of strange and cha…

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

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…

hep-ex2016★ 24 cited

Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub|

The BABAR Collaboration

Based on the full BaBar data sample of 466.5 million BBbar pairs, we present measurements of the electron spectrum from semileptonic B meson decays. We fit the inclusive electron s…

hep-ex2016★ 21 cited

Constraints on Axion couplings from the CDEX-1 experiment at the China Jinping Underground Laboratory

S. K. Liu, Q. Yue, K. J. Kang +68

We report the results of searches for solar axions and galactic dark matter axions or axion-like particles with CDEX-1 experiment at the China Jinping Underground Laboratory, using…

hep-ex2016★ 9 cited

Measurement of the B^0 -> D^*- pi^+ pi^- pi^+ branching fraction

The BABAR Collaboration

Using a sample of (470.9 +- 2.8) x 10^6 BB-bar pairs, we measure the decay branching fraction B(B^0 -> D^*- pi^+ pi^- pi^+) = (7.26 +- 0.11 +- 0.31) x 10^-3, where the first uncert…

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★ 35 cited

First experimental study of photon polarization in radiative $B_{s}^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +765

The polarization of photons produced in radiative $B_{s}^{0}$ decays is studied for the first time. The data are recorded by the LHCb experiment in $pp$ collisions corresponding to…

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★ 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★ 198 cited

Search for a muonic dark force at BABAR

The BABAR Collaboration

Many models of physics beyond the Standard Model predict the existence of new Abelian forces with new gauge bosons mediating interactions between "dark sectors" and the Standard Mo…

hep-ex2016★ 33 cited

Measurement of the properties of the $Ξ_{b}^{* 0}$ baryon

LHCb collaboration, R. Aaij, C. Abellán Beteta +731

We perform a search for near-threshold $Ξ_{b}^{0}$ resonances decaying to $Ξ_{b}^{-} π^{+}$ in a sample of proton-proton collision data corresponding to an integrated luminosity of 3 fb$^{-1…

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★ 64 cited

Search for $B^{+} \to K^{+} τ^{+} τ^{-}$ at the BaBar experiment

The BaBar Collaboration

We search for the rare flavor-changing neutral current process $B^{+} \to K^{+} τ^{+} τ^{-}$ using data from the BABAR experiment. The data sample, collected at the center-of-…

hep-ex2016★ 21 cited

Measurement of the mass and lifetime of the $Ω_{b}^{-}$ baryon

R. Aaij, C. Abellán Beteta, B. Adeva +727

A proton-proton collision data sample, corresponding to an integrated luminosity of 3 fb $^{- 1}$ collected by LHCb at $s = 7$ and 8 TeV, is used to reconstruct $63 \pm 9$ $Ω_b^-\…

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★ 1 cited

Tests of CPT symmetry in B0-B0bar mixing and in B0 -> c cbar K0 decays

BABAR Collaboration

Using the eight time dependences for the decays Upsilon(4S)-> B0 B0bar -> fj fk with the dacay into a flavor-specific state fj = ell+- X before or after the decay into a CP eigenst…

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…

hep-ex2016★ 39 cited

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with two- and four-body $D$ decays

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

Measurements of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays are presented where the $D$ meson is reconstructed in the final states $K^\…

Measurement of the CKM angle γ from a combination of LHCb results

On the search for the electric dipole moment of strange and charm baryons at LHC

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+

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

Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub|

Constraints on Axion couplings from the CDEX-1 experiment at the China Jinping Underground Laboratory

Measurement of the B^0 -> D^*- pi^+ pi^- pi^+ branching fraction

Measurement of matter-antimatter differences in beauty baryon decays

First experimental study of photon polarization in radiative Bs0​ decays

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

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

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

Search for a muonic dark force at BABAR

Measurement of the properties of the Ξb∗0​ baryon

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

Search for B+→K+τ+τ− at the BaBar experiment

Measurement of the mass and lifetime of the Ωb−​ baryon

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

Tests of CPT symmetry in B0-B0bar mixing and in B0 -> c cbar K0 decays

A precise measurement of the B0 meson oscillation frequency

Measurement of CP observables in B±→DK± and B±→Dπ± with two- and four-body D decays

Measurement of the CKM angle $γ$ from a combination of LHCb results

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

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

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

First experimental study of photon polarization in radiative $B_{s}^{0}$ decays

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

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

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

Measurement of the properties of the $Ξ_{b}^{* 0}$ baryon

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

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

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

Search for $B^{+} \to K^{+} τ^{+} τ^{-}$ at the BaBar experiment

Measurement of the mass and lifetime of the $Ω_{b}^{-}$ baryon

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

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

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with two- and four-body $D$ decays