G. J. Kunde

activity

20032022

C P

violation in charm decays

297 citations · 2k across the 32 of their papers we have counts for

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24 papers · 1 filter

hep-ex2022★ 1 cited

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

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1059

The first observation of the $B_{s}^{0} \to D^{*+} D^{*-}$ decay and the measurement of its branching ratio relative to the $B^{0} \to D^{*+} D^{*-}$ decay are presented. The data sample…

hep-ex2022★ 35 cited

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ decays

LHCb collaboration

The time-integrated $C P$ asymmetry in the Cabibbo-suppressed decay $D^{0} \to K^{-} K^{+}$ is measured using proton-proton collision data, corresponding to an integrated luminosity of 5.…

hep-ex2022★ 2 cited

Study of $B_{c}^{+}$ meson decays to charmonia plus multihadron final states

LHCb Collaboration, R. Aaij, A. S. W. Abdelmotteleb +1058

Four decay modes of the $B_{c}^{+}$ meson into a $J / ψ$ meson and multiple charged kaons or pions are studied using proton-proton collision data, collected with the~LHCb detector at cen…

hep-ex2022★ 20 cited

Amplitude analysis of the $Λ_{c}^{+} \to p K^{-} π^{+}$ decay and $Λ_{c}^{+}$ baryon polarization measurement in semileptonic beauty hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +999

An amplitude analysis of $Λ_{c}^{+} \to p K^{-} π^{+}$ decays together with a measurement of the $Λ_{c}^{+}$ polarization vector in semileptonic beauty hadron decays is presented. A sample of $4…

hep-ex2022★ 7 cited

Search for direct $C P$ violation in charged charmless $B \to P V$ decays

LHCb Collaboration

Measurements of $C P$ asymmetry in charmless $B \to P V$ decays are presented, where $P$ and $V$ denote a pseudoscalar and a vector meson, respectively. Five different $B \to P V$ decay…

hep-ex2022

Search for $C P$ violation using $T^$ -odd correlations in $B^{0} \to p p ˉ K^{+} π^{-}$ decays

LHCb collaboration

A search for $C P$ and $P$ violation in charmless four-body $B^{0} \to p p ˉ K^{+} π^{-}$ decays is performed using triple-product asymmetry observables. It is based on proton-pr…

hep-ex2021★ 6 cited

Identification of charm jets at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jet…

hep-ex2021★ 52 cited

Simultaneous determination of CKM angle $γ$ and charm mixing parameters

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

A combination of measurements sensitive to the $C P$ violation angle $γ$ of the Cabibbo-Kobayashi-Maskawa unitarity triangle and to the charm mixing parameters that describe oscilla…

hep-ex2021★ 154 cited

Branching fraction measurements of the rare $B_{s}^{0} \to ϕ μ^{+} μ^{-}$ and $B_{s}^{0} \to f_{2}^{'} (1525) μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +959

The branching fraction of the rare $B_{s}^{0} \to ϕ μ^{+} μ^{-}$ decay is measured using data collected by the LHCb experiment at center-of-mass energies of $7$ , $8$ and $13 TeV$ …

hep-ex2021★ 29 cited

Search for time-dependent $C P$ violation in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +953

A search for time-dependent violation of the charge-parity symmetry in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays is performed at the LHCb experiment using proton-proton collis…

hep-ex2021★ 76 cited

Precise measurement of the $f_{s} / f_{d}$ ratio of fragmentation fractions and of $B_{s}^{0}$ decay branching fractions

LHCb collaboration, R. Aaij, C. Abellán Beteta +955

The ratio of the $B_{s}^{0}$ and $B^{0}$ fragmentation fractions, $f_{s} / f_{d}$ , in proton-proton collisions at the LHC, is obtained as a function of $B$ -meson transverse momentum and collis…

hep-ex2021★ 200 cited

Observation of new resonances decaying to $J / ψ K^{+}$ and $J / ψ ϕ$

LHCb collaboration, R. Aaij, C. Abellán Beteta +953

The first observation of exotic states with a new quark content $c c ˉ u s ˉ$ decaying to the $J / ψ K^{+}$ final state is reported with high significance from an amplitude anal…

hep-ex2020★ 9 cited

Measurement of the relative branching fractions of $B^{+} \to h^{+} h^{' +} h^{' -}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +957

The relative branching fractions of $B^{+} \to h^{+} h^{' +} h^{' -}$ decays, where $h^{(')}$ is a pion or kaon, are measured. The analysis is performed with a data sample…

hep-ex2020★ 52 cited

Observation of multiplicity-dependent prompt $χ_{c 1} (3872)$ and $ψ (2 S)$ production in $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +968

The production of $χ_{c 1} (3872)$ and $ψ (2 S)$ hadrons is studied as a function of charged particle multiplicity in $pp$ collisions at a center-of-mass energy of 8 TeV, corresponding…

hep-ex2020★ 297 cited

Measurement of $C P$ -averaged observables in the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

An angular analysis of the $B^{0} \to K^{* 0} (\to K^{+} π^{-}) μ^{+} μ^{-}$ decay is presented using a data set corresponding to an integrated luminosity of 4.7 fb $^{- 1}$ of $pp…

hep-ex2019★ 68 cited

Observation of several sources of $C P$ violation in $B^{+} \to π^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +868

Observations are reported of different sources of $C P$ violation from an amplitude analysis of $B^{+} \to π^{+} π^{+} π^{-}$ decays, based on a data sample corresponding to an integrated l…

hep-ex2019★ 68 cited

Observation of new resonances in the $Λ_{b}^{0} π^{+} π^{-}$ system

LHCb collaboration, R. Aaij, C. Abellán Beteta +910

We report the observation of a new structure in the $Λ_{b}^{0} π^{+} π^{-}$ spectrum using the full LHCb data set of $pp$ collisions, corresponding to an integrated luminosity of $9\,\mathr…

hep-ex2019★ 29 cited

Measurement of $C P$ -violating and mixing-induced observables in $B_{s}^{0} \to ϕ γ$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +859

A time-dependent analysis of the $B_{s}^{0} \to ϕ γ$ decay rate is performed to determine the $C P$ -violating observables $S_{ϕ γ}$ and $C_{ϕ γ}$ , and the mixing-induced observable $\mathc…

hep-ex2019★ 28 cited

Measurement of charged hadron production in $Z$ -tagged jets in proton-proton collisions at $s = 8$ TeV

LHCb Collaboration, R. Aaij, C. Abellán Beteta +851

The production of charged hadrons within jets recoiling against a $Z$ boson is measured in proton-proton collision data at $s = 8$ TeV recorded by the LHCb experiment. The cha…

hep-ex2019★ 297 cited

Observation of $C P$ violation in charm decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +848

A search for charge-parity ( $C P$ ) 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…

hep-ex2018★ 55 cited

Beam-energy and centrality dependence of direct-photon emission from ultra-relativistic heavy-ion collisions

A. Adare, S. Afanasiev, C. Aidala +669

The PHENIX collaboration presents first measurements of low-momentum ( $0.4 < p_{T} < 3$ GeV/ $c$ ) direct-photon yields from Au $+$ Au collisions at $s_{_{N N}}$ =39 and 62.4 GeV. For b…

hep-ex2018★ 20 cited

Low-momentum direct photon measurement in Cu $+$ Cu collisions at $s_{_{N N}} = 200$ GeV

A. Adare, S. Afanasiev, C. Aidala +447

We have measured direct photons for $p_{T} < 5$ GeV/ $c$ in minimum bias and 0\%--40\% most central events at midrapidity for Cu $+$ Cu collisions at $s_{_{N N}} = 200$ GeV. The $e^{+…

hep-ex2017★ 9 cited

Measurement of emission angle anisotropy via long-range angular correlations with high $p_{T}$ hadrons in $d$ $+$ Au and $p$ $+$ $p$ collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +470

We present measurements of two-particle angular correlations between high-transverse-momentum ( $2 < p_{T} < 11$ GeV/ $c$ ) $π^{0}$ observed at midrapidity ( $∣ η ∣ < 0.35$ ) and particles produced…

hep-ex2008★ 90 cited

The gluon spin contribution to the proton spin from the double helicity asymmetry in inclusive pi^0 production in polarized p+p collisions at sqrt(s)=200 GeV

PHENIX Collaboration, A. Adare

The double helicity asymmetry in neutral pion production for p_T = 1 to 12 GeV/c has been measured with the PHENIX experiment in order to access the gluon spin contribution, Delta-…

Observation of the Bs0​→D∗+D∗− decay

Measurement of the time-integrated CP asymmetry in D0→K−K+ decays

Study of Bc+​ meson decays to charmonia plus multihadron final states

Amplitude analysis of the Λc+​→pK−π+ decay and Λc+​ baryon polarization measurement in semileptonic beauty hadron decays

Search for direct CP violation in charged charmless B→PV decays

Search for CP violation using T^-odd correlations in B0→ppˉ​K+π− decays

Identification of charm jets at LHCb

Simultaneous determination of CKM angle γ and charm mixing parameters

Branching fraction measurements of the rare Bs0​→ϕμ+μ− and Bs0​→f2′​(1525)μ+μ− decays

Search for time-dependent CP violation in D0→K+K− and D0→π+π− decays

Precise measurement of the fs​/fd​ ratio of fragmentation fractions and of Bs0​ decay branching fractions

Observation of new resonances decaying to J/ψK+ and J/ψϕ

Measurement of the relative branching fractions of B+→h+h′+h′− decays

Observation of multiplicity-dependent prompt χc1​(3872) and ψ(2S) production in pp collisions

Measurement of CP-averaged observables in the B0→K∗0μ+μ− decay

Observation of several sources of CP violation in B+→π+π+π− decays

Observation of new resonances in the Λb0​π+π− system

Measurement of CP-violating and mixing-induced observables in Bs0​→ϕγ decays

Measurement of charged hadron production in Z-tagged jets in proton-proton collisions at s​=8 TeV

Observation of CP violation in charm decays