Y. Skovpen

activity

20002016

most citedSearch for a dark photon in e+e- collisions at BABAR

524 citations · 1.7k across the 31 of their papers we have counts for

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31 papers · 1 filter

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-ex2015★ 16 cited

Time-dependent analysis of $B^{0} \to K_{S}^{0} π^{-} π^{+} γ$ decays and studies of the $K^{+} π^{-} π^{+}$ system in $B^{+} \to K^{+} π^{-} π^{+} γ$ decays

P. del Amo Sanchez, others

We measure the time-dependent $C P$ asymmetry in the radiative-penguin decay $B^{0} \to K_{S}^{0} π^{-} π^{+} γ$ , using a sample of $471$ million $Υ(4S) \to B{\kern 0.18em\overline{\kern…

hep-ex2015★ 20 cited

Measurement of the I=1/2 $K π$ $S$ -wave amplitude from Dalitz plot analyses of $η_{c} \to K K ˉ π$ in two-photon interactions

The BABAR Collaboration, J. P. Lees, others

We study the processes $γ γ \to K_{S}^{0} K^{\pm} π^{\mp}$ and $γ γ \to K^{+} K^{-} π^{0}$ using a data sample of 519~ $f b^{- 1}$ recorded with the BaBar detector operating at the SLAC PEP-II asymm…

hep-ex2014★ 19 cited

Study of CP asymmetry in B0-B0bar mixing with inclusive dilepton events

The BABAR Collaboration, J. P. Lees, others

We present a measurement of the asymmetry $A_{C P}$ between same-sign inclusive dilepton samples $ℓ^{+} ℓ^{+}$ and $ℓ^{-} ℓ^{-}$ ( $ℓ = e, μ$ ) from semileptonic B decays in Y(4…

hep-ex2014★ 10 cited

Bottomonium spectroscopy and radiative transitions involving the chi_bJ(1P,2P) states at BABAR

J. P. Lees

We use $(121 \pm 1)$ million $Υ (3 S)$ and $(98 \pm 1)$ million $Υ (2 S)$ mesons recorded by the BABAR detector at the PEP-II $e^{+} e^{-}$ collider at SLAC to perform a study of radiative tran…

hep-ex2014★ 524 cited

Search for a dark photon in e+e- collisions at BABAR

The BABAR Collaboration

Dark sectors charged under a new Abelian force have recently received much attention in the context of dark matter models. These models introduce a light new mediator, the so-calle…

hep-ex2014★ 19 cited

Antideuteron production in $Υ (n S)$ decays and in $e^{+} e^{-} \to q q$ at $s \approx 10.58 Ge V$

J. P. Lees

We present measurements of the inclusive production of antideuterons in $e^{+} e^{-}$ annihilation into hadrons at $\approx 10.58 Ge V$ center-of-mass energy and…

hep-ex2009★ 199 cited

Search for Dimuon Decays of a Light Scalar Boson in Radiative Transitions Upsilon -> gamma A0

The BABAR Collaboration, B. Aubert

We search for evidence of a light scalar boson in the radiative decays of the Upsilon(2S) and Upsilon(3S) resonances: Upsilon(2S,3S)-> gamma A0, A0 -> mu^+ mu^-. Such a particle ap…

hep-ex2007★ 5 cited

Search for Prompt Production of $χ_{c}$ and X(3872) in e^+e^- Annihilations

The BABAR Collaboration, B. Aubert

We have searched for prompt production of $χ_{c 1}$ , $χ_{c 2}$ and X(3872) in continuum e^+e^- annihilations using a 386 fb^{-1} data sample collected around $s = 10.6$ GeV wi…

hep-ex2007★ 17 cited

Search for B0->phiK+pi- Decays with Large K+pi- Invariant Mass

The BABAR Collaboration, B. Aubert

Motivated by the polarization anomaly in the B->phi(1020)K*(892) decay, we extend our search for other K* final states in the decay B0->phi(1020)K^*0 with the K*0->K+pi- invariant…

hep-ex2007★ 18 cited

Branching fraction and charge asymmetry measurements in B to J/psi pi pi decays

The BABAR collaboration, B. Aubert

We study the decays B0 to J/psi pi+pi- and B+ to J/psi pi+pi0, including intermediate resonances, using a sample of 382 million BBbar pairs recorded by the BaBar detector at the PE…

hep-ex2007★ 41 cited

Amplitude Analysis of the decay D^0 --> K^- K^+ pi^0

BABAR Collaboration, B. Aubert

Using 385 fb^-1 of e^+e^- collisions at the CM energies of around 10.6 GeV recorded by the BaBar experiment, we study the amplitudes of the singly Cabibbo-suppressed decay D^0 -->…

hep-ex2007★ 129 cited

The $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-}$ , $K^{+} K^{-} π^{0} π^{0}$ and $K^{+} K^{-} K^{+} K^{-}$ Cross Sections Measured with Initial-State Radiation

The BABAR Collaboration, B. Aubert

We study the processes $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-} γ$ , $K^{+} K^{-} π^{0} π^{0} γ$ and $K^{+} K^{-} K^{+} K^{-} γ$ , where the photon is radiated from the initial state. About 34600, 4400 and 2300 fully r…

hep-ex2007★ 12 cited

Search for Neutral B-Meson Decays to a0pi, a0K, etarho0, and etaf0

The BABAR Collaboration, B. Aubert

We present a search for B0 decays to charmless final states involving an eta meson, a charged pion and a second charged pion or kaon. The data sample corresponds to 383x10^6 BBbar…

hep-ex2007★ 12 cited

Measurement of CP Asymmetry in B0 to Ks pi0 pi0 Decays

The BABAR Collaboration, B. Aubert

We present a measurement of the time-dependent CP asymmetry for the neutral B-meson decay into the CP = +1 final state Ks pi0 pi0, with Ks -> pi+ pi-. We use a sample of approximat…

hep-ex2007★ 11 cited

Observation of $B^{+} \to ρ^{+} K^{0}$ and Measurement of its Branching Fraction and Charge Asymmetry

B. Aubert, BaBar Collaboration

We present the first observation of the decay $B^{+} \to ρ^{+} K^{0}$ , using a data sample of 348 fb $^{- 1}$ collected at the $Υ (4 S)$ resonance with the \babar detector.The branching fractio…

hep-ex2007

Measurement of the B+ --> rho+ pi0 Branching Fraction and Direct CP Asymmetry

The BABAR Collaboration, B. Aubert

We present improved measurements of the branching fraction and CP asymmetry for the process B+ --> rho+ pi0. The data sample corresponding to 211/fb comprises 232 million Y(4S)-->B…

hep-ex2006★ 13 cited

Observation of the Exclusive Reaction e+e- -> phi eta at sqrt{s}=10.58 GeV

The BABAR Collaboration, B. Aubert

We report the observation of $\e^+e^-\to ϕη$ near $s$ = 10.58 GeV with 6.5 $σ$ significance in the $K^{+} K^{-} γ γ$ final state in a data sample of 224 $f b^{- 1}$ collected by the…

hep-ex2006★ 6 cited

Evidence for the Rare Decay B+ --> Ds+ pi0

The BABAR Collaboration, B. Aubert

We have searched for the rare decay B+ --> Ds+ pi0. The analysis is based on a sample of 232 million Upsilon(4S) --> B anti-B decays collected with the BABAR detector at the PEP-II…

hep-ex2006★ 148 cited

A Structure at 2175 MeV in $e^{+} e^{-} \to ϕ f_{0} (980)$ Observed via Initial-State Radiation

The BABAR Collaboration, B. Aubert

We study the initial-state-radiation processes $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-} γ$ and $e^{+} e^{-} \to K^{+} K^{-} π^{0} π^{0} γ$ using an integrated luminosity of 232 fb $^{- 1}$ collected at the $Υ(4S)…

hep-ex2006★ 17 cited

Branching fraction measurement of B0 --> D()- pi+, B- --> D()0 pi- and isospin analysis of B --> D(*) pi decays

The BABAR Collaboration, B. Aubert

Using 65 million $Υ (4 S) \to B B ˉ$ events collected with the BABAR detector at the PEP-II $e^{+} e^{-}$ storage ring at the Stanford Linear Accelerator Center, we measure the colo…

hep-ex2006★ 25 cited

Inclusive Lambda_c Production in e^+e^- Annihilations at sqrt{s}=10.54 GeV and in Upsilon(4S) Decays

The BABAR Collaboration, B. Aubert

We present measurements of the total production rates and momentum distributions of the charmed baryon $Λ_{c}^{+}$ in $e^{+} e^{-} \to$ hadrons at a center-of-mass energy of 10.54 GeV and i…

hep-ex2006★ 132 cited

Search for B+ --> X(3872) K+, X(3872) --> J/psi gamma

The BABAR Collaboration, B. Aubert

In a study of B+ --> J/psi gamma K+ decays, we find evidence for the radiative decay X(3872) --> J/psi gamma with a statistical significance of 3.4 sigma. We measure the product of…

hep-ex2006★ 16 cited

Branching Fraction Measurements of Charged B Decays to K+K+K-, K+pi+K-, K+K+pi- and K+pi+pi- Final States

The BABAR Collaboration, B. Aubert

Branching fraction and asymmetry measurements of charmless $B^{+} \to K^{*+} h_{1}^{+} h_{2}^{-}$ (where $h_{1, 2}$ = $K$ , $π$ ) decays are presented, using a data sample of 232 million $Υ(4S) \t…

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

Time-dependent analysis of B0→KS0​π−π+γ decays and studies of the K+π−π+ system in B+→K+π−π+γ decays

Measurement of the I=1/2 Kπ S-wave amplitude from Dalitz plot analyses of ηc​→KKˉπ in two-photon interactions

Study of CP asymmetry in B0-B0bar mixing with inclusive dilepton events

Bottomonium spectroscopy and radiative transitions involving the chi_bJ(1P,2P) states at BABAR

Search for a dark photon in e+e- collisions at BABAR

Antideuteron production in Υ(nS) decays and in e+e−→qq​ at s​≈10.58GeV

Search for Dimuon Decays of a Light Scalar Boson in Radiative Transitions Upsilon -> gamma A0

Search for Prompt Production of χc​ and X(3872) in e^+e^- Annihilations

Search for B0->phiK+pi- Decays with Large K+pi- Invariant Mass

Branching fraction and charge asymmetry measurements in B to J/psi pi pi decays

Amplitude Analysis of the decay D^0 --> K^- K^+ pi^0

The e+e−→K+K−π+π−, K+K−π0π0 and K+K−K+K− Cross Sections Measured with Initial-State Radiation

Search for Neutral B-Meson Decays to a0pi, a0K, etarho0, and etaf0

Measurement of CP Asymmetry in B0 to Ks pi0 pi0 Decays

Observation of B+→ρ+K0 and Measurement of its Branching Fraction and Charge Asymmetry

Measurement of the B+ --> rho+ pi0 Branching Fraction and Direct CP Asymmetry

Observation of the Exclusive Reaction e+e- -> phi eta at sqrt{s}=10.58 GeV

Evidence for the Rare Decay B+ --> Ds+ pi0

A Structure at 2175 MeV in e+e−→ϕf0​(980) Observed via Initial-State Radiation

Branching fraction measurement of B0 --> D(*)- pi+, B- --> D(*)0 pi- and isospin analysis of B --> D(*) pi decays

Inclusive Lambda_c Production in e^+e^- Annihilations at sqrt{s}=10.54 GeV and in Upsilon(4S) Decays

Search for B+ --> X(3872) K+, X(3872) --> J/psi gamma

Branching Fraction Measurements of Charged B Decays to K*+K+K-, K*+pi+K-, K*+K+pi- and K*+pi+pi- Final States

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

Time-dependent analysis of $B^{0} \to K_{S}^{0} π^{-} π^{+} γ$ decays and studies of the $K^{+} π^{-} π^{+}$ system in $B^{+} \to K^{+} π^{-} π^{+} γ$ decays

Measurement of the I=1/2 $K π$ $S$ -wave amplitude from Dalitz plot analyses of $η_{c} \to K K ˉ π$ in two-photon interactions

Antideuteron production in $Υ (n S)$ decays and in $e^{+} e^{-} \to q q$ at $s \approx 10.58 Ge V$

Search for Prompt Production of $χ_{c}$ and X(3872) in e^+e^- Annihilations

The $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-}$ , $K^{+} K^{-} π^{0} π^{0}$ and $K^{+} K^{-} K^{+} K^{-}$ Cross Sections Measured with Initial-State Radiation

Observation of $B^{+} \to ρ^{+} K^{0}$ and Measurement of its Branching Fraction and Charge Asymmetry

A Structure at 2175 MeV in $e^{+} e^{-} \to ϕ f_{0} (980)$ Observed via Initial-State Radiation

Branching fraction measurement of B0 --> D()- pi+, B- --> D()0 pi- and isospin analysis of B --> D(*) pi decays

Branching Fraction Measurements of Charged B Decays to K+K+K-, K+pi+K-, K+K+pi- and K+pi+pi- Final States