A. Drutskoy

activity

20012025

most citedObservation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays

2k citations · 20.8k across the 258 of their papers we have counts for

collaborators

Showing 2004 · hep-exShow all

22 papers · 2 filters

hep-ex2004★ 64 cited

Measurement of the gamma gamma -> pi+ pi- and gamma gamma -> K+ K- processes at energies of 2.4 - 4.1 GeV

H. Nakazawa

We have measured pi+pi- and K+K- production in two-photon collisions using 87.7 /fb of data collected with the Belle detector at the asymmetric energy e+e- collider KEKB. The cross…

hep-ex2004★ 4 cited

Properties of the DsJ states

A. Drutskoy

Recent measurements involving the newly discovered D_sJ particles are reported. The results of D_sJ production and decay branching fraction measurements are shown. Possible spin-pa…

hep-ex2004★ 153 cited

Dalitz analysis of the three-body charmless decays B+=>K+Pi+Pi- and B+=>K+K+K-

A. Garmash

We report results on the Dalitz analysis of three-body charmless B+=>K+Pi+Pi- and B+=>K+K+K- decays based on a 140 fb $^{- 1}$ data sample collected with the Belle detector. Measurem…

hep-ex2004★ 13 cited

Study of the Suppressed Decays $B^{-} \to [K^{+} π^{-}]_{D} K^{-}$ and $B^{-} \to [K^{+} π^{-}]_{D} π^{-}$

M. Saigo

We report a study of the suppressed decays $B^{-} \to [K^{+} π^{-}]_{D} K^{-}$ and $B^{-} \to [K^{+} π^{-}]_{D} π^{-}$ , where $[K^{+} π^{-}]_{D}$ indicates that the $K^{+} π^{-}$ pair originates from a neutral $D$ …

hep-ex2004★ 139 cited

Observation of an Isotriplet of Excited Charmed Baryons Decaying to $Λ_{c}^{+} π$

R. Mizuk

We report the observation of an isotriplet of excited charmed baryons, decaying into Lambda_c+ pi-, Lambda_c+ pi0 and Lambda_c+ pi+. We measure the mass differences M(Lambda_c+ pi)…

hep-ex2004

B decays to open and hidden charm at Belle

A. Drutskoy

The recent Belle collaboration measurements of B decays to open and hidden charm are discussed. Color-suppressed decay branching fractions are measured with an improved accuracy. T…

hep-ex2004★ 3 cited

Spectra of prompt electrons from decays of B+ and B0 mesons and ratio of inclusive semielectronic branching fractions

T. Okabe

We present spectra of prompt electrons from decays of neutral and charged B mesons. The results are based on 140 /fb of data collected by the Belle detector on the Upsilon(4S) reso…

hep-ex2004★ 23 cited

Observation of B+ -> K+ eta gamma

S. Nishida

We report measurements of radiative B decays with K eta gamma final states, using a data sample of 253 /fb recorded at the Upsilon(4S) resonance with the Belle detector at the KEKB…

hep-ex2004★ 28 cited

Observation of the D1(2420)->DPI+PI- decays

The Belle Collaboration

We report on the first observation of $D_{1} \to D π^{+} π^{-}$ decays (where the contribution from the dominant known $D_{1} \to D^{*} π$ decay mode is excluded) in the $B \to D_{1} π$ decays. The…

hep-ex2004★ 154 cited

Evidence for Direct CP Violation in B0 -> K+- pi-+ Decays

Y. Chao

We report evidence for direct CP violation in the decay B0 -> K+-pi-+ with 253/fb of data collected with the Belle detector at the KEKB e+e- collider. Using 275 million B B_bar pai…

hep-ex2004

Observation of $B^{0} ˉ$ -> DsJ*(2317)+ K- decay

A. Drutskoy

The decays $B^{0} ˉ \to D_{s J}^{+} K^{-}$ and $B^{0} ˉ \to D_{s J}^{-} π^{+}$ are studied for the first time. A significant signal is observed in the $\bar{B^0} \to D_{sJ}^*(2317)^+ K^-…

hep-ex2004★ 31 cited

Study of decay mechanisms in B- -> Lambda_c+ pbar pi- decay and observation of low mass structure in the (Lambda_c+ pbar) system

The Belle Collaboration, N. Gabyshev

Using a sample of 152 million BBbar pairs accumulated with the Belle detector at the KEKB e+e- collider, we perform a Dalitz plot analysis of the three-body charmed decay B- -> Lam…

hep-ex2004★ 26 cited

Study of B0 -> rho+-pi-+ Time-dependent CP Violation at Belle

C. C. Wang

We present a time-dependent analysis of CP violation in B0 -> rho pi decays based on a 140 1/fb data sample collected at the Y(4S) resonance with the Belle detector at the KEKB asy…

hep-ex2004★ 346 cited

Observation of a near-threshold omega-J/psi mass enhancement in exclusive B-->K omega J/psi decays

S. -K. Choi, S. L. Olsen

We report the observation of a near-threshold enhancement in the omega-J/psi invariant mass distribution for exclusive B-->K omega J/psi decays. The results are obtained from a 253…

hep-ex2004★ 20 cited

Search for D^0-D^0bar mixing in D^0 -> K+pi- decays and measurement of the doubly-Cabibbo-suppressed decay rate

J. Li, Z. P. Zhang, A. J. Schwartz

We have searched for mixing in the D0-D0bar system by measuring the decay-time distribution of D0->K+pi- decays. The analysis uses 90 fb^{-1} of data collected by the Belle detecto…

hep-ex2004★ 265 cited

Physics at Super B Factory

A. G. Akeroyd, W. Bartel, A. Bondar +41

This report presents the results of studies that investigate the physics reach at a Super B factory, an asymmetric-energy e^+e^- collider with a design luminosity of 5 x 10^35 cm^-…

hep-ex2004★ 30 cited

Observation of the Decays B0->K+pi-pi0 and B0->rho-K+

P. Chang

We report the observation of B^0 decays to the K^+pi^-pi^0 final state using a data sample of 78 fb^-1 collected by the Belle detector at the KEKB e^+e^- collider. With no assumpti…

hep-ex2004★ 67 cited

Observation of B+ to Lambda Lambdabar K+

Y. -J. Lee, M. -Z. Wang

We report the first observation of the charmless hyperonic B decay, B^+ --> Lambda Lambdabar K^+, using a 140 fb^-1 data sample recorded at the Upsilon(4S) resonance with the Belle…

hep-ex2004★ 21 cited

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

J. Zhang

We report a measurement of the branching fraction for the decay $B^{+} \to ρ^{+} π^{0}$ based on a 140 $fb^{- 1}$ data sample collected with the Belle detector at the KEKB asymmetric…

hep-ex2004★ 8 cited

Evidence of B0 --> rho0 pi0

J. Dragic, T. Gershon

We present the first evidence of the decay B0 --> rho0 pi0, using 140fb^-1 of data collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric e+e- collid…

hep-ex2004★ 220 cited

An inclusive measurement of the photon energy spectrum in b->s gamma decays

P. Koppenburg

We report a fully inclusive measurement of the flavour changing neutral current decay b->s gamma in the energy range 1.8 GeV < E* < 2.8 GeV, covering 95% of the total spectrum. Usi…

hep-ex2004★ 77 cited

Observation of Large CP Violation and Evidence for Direct CP Violation in B0-->pi+pi- Decays

K. Abe

We report the first observation of CP-violating asymmetries in B0 --> pi+pi- decays based on a 140 fb-1 data sample collected at the Upsilon(4S) resonance with the Belle detector a…

Measurement of the gamma gamma -> pi+ pi- and gamma gamma -> K+ K- processes at energies of 2.4 - 4.1 GeV

Properties of the DsJ states

Dalitz analysis of the three-body charmless decays B+=>K+Pi+Pi- and B+=>K+K+K-

Study of the Suppressed Decays B−→[K+π−]D​K− and B−→[K+π−]D​π−

Observation of an Isotriplet of Excited Charmed Baryons Decaying to Λc+​π

B decays to open and hidden charm at Belle

Spectra of prompt electrons from decays of B+ and B0 mesons and ratio of inclusive semielectronic branching fractions

Observation of B+ -> K+ eta gamma

Observation of the D1(2420)->DPI+PI- decays

Evidence for Direct CP Violation in B0 -> K+- pi-+ Decays

Observation of B0ˉ -> DsJ*(2317)+ K- decay

Study of decay mechanisms in B- -> Lambda_c+ pbar pi- decay and observation of low mass structure in the (Lambda_c+ pbar) system

Study of B0 -> rho+-pi-+ Time-dependent CP Violation at Belle

Observation of a near-threshold omega-J/psi mass enhancement in exclusive B-->K omega J/psi decays

Search for D^0-D^0bar mixing in D^0 -> K+pi- decays and measurement of the doubly-Cabibbo-suppressed decay rate

Physics at Super B Factory

Observation of the Decays B0->K+pi-pi0 and B0->rho-K+

Observation of B+ to Lambda Lambdabar K+

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

Evidence of B0 --> rho0 pi0

An inclusive measurement of the photon energy spectrum in b->s gamma decays

Observation of Large CP Violation and Evidence for Direct CP Violation in B0-->pi+pi- Decays

Study of the Suppressed Decays $B^{-} \to [K^{+} π^{-}]_{D} K^{-}$ and $B^{-} \to [K^{+} π^{-}]_{D} π^{-}$

Observation of an Isotriplet of Excited Charmed Baryons Decaying to $Λ_{c}^{+} π$

Observation of $B^{0} ˉ$ -> DsJ*(2317)+ K- decay