A. Frey

activity

19952026

e^{+} e^{-} \to π^{+} π^{-} J / ψ

and Observation of a Charged Charmonium-like State at Belle

739 citations · 7.5k across the 197 of their papers we have counts for

collaborators

Showing 2013 · hep-exShow all

15 papers · 2 filters

hep-ex2013

Search for B0 to p Lambdabar pi- gamma at Belle

Y. -T. Lai, M. -Z. Wang, I. Adachi +148

We search for the charmless B^0 decay with final state particles p Lambdabar pi^- gamma using the full data sample that contains 772 * 10^6 B Bar pairs collected at the Upsilon(4S)…

hep-ex2013★ 17 cited

Measurement of branching fractions for B \to J/ψηK decays and search for a narrow resonance in the J/ψηfinal state

Belle Collaboration, T. Iwashita, K. Miyabayashi +178

We report an observation of the $B^{\pm} \to J / ψ η K^{\pm}$ and $B^{0} \to J / ψ η K_{S}^{0}$ decays using 772 $\times 1 0^{6}$ $B B ˉ$ pairs collected at the $Υ (4 S)$ resonance with the Belle…

hep-ex2013★ 25 cited

Angular analysis of $B^{0} \to ϕ K^{*}$ decays and search for CP violation at Belle

Belle Collaboration, M. Prim, I. Adachi +155

We report the measurements of branching fractions and CP violation asymmetries in $B^{0} \to ϕ K^{*}$ decays obtained in an angular analysis using the full data sample of $772 \times…

hep-ex2013★ 13 cited

Measurement of $e^{+} e^{-} \to ω π^{0}$ , $K^{} (892) K ˉ$ and $K_{2}^{} (1430) K ˉ$ at $s$ near 10.6 GeV

Belle Collaboration, C. P. Shen, C. Z. Yuan +161

Using data samples of 89 fb $^{- 1}$ , 703 fb $^{- 1}$ , and 121 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider at center-of-mass energies 10…

hep-ex2013★ 70 cited

First Observation of the Zb0(10610) in a Dalitz Analysis of Y(5S) -> Y(nS) pi0 pi0

P. Krokovny, A. Bondar, I. Adachi +183

We report the first observation of Y(5S) -> Y(nS) pi0 pi0 decays. The neutral partner of the Zb+-(10610), the Zb0(10610) decaying to Y(2,3S) pi0, is observed for the first time wit…

hep-ex2013★ 5 cited

Measurement of the Wrong-Sign Decay D0 -> K+ pi- pi+ pi-

Belle Collaboration, E. White, A. J. Schwartz +170

A measurement of the rate for the "wrong-sign" decay D0 -> K+ pi- pi+ pi- relative to that for the "right-sign" decay D0 -> K- pi+ pi+ pi- is presented. Using 791 fb-1 of data coll…

hep-ex2013★ 35 cited

High-statistics study of K^0_S pair production in two-photon collisions

The Belle Collaboration, S. Uehara, Y. Watanabe +164

We report a high-statistics measurement of the differential cross section of the process gamma gamma --> K^0_S K^0_S in the range 1.05 GeV <= W <= 4.00 GeV, where W is the center-o…

hep-ex2013★ 143 cited

Study of Exclusive B->X_u l nu Decays and Extraction of |V_{ub}| using Full Reconstruction Tagging at the Belle Experiment

Belle Collaboration, A. Sibidanov, K. E. Varvell +166

We report the results of a study of the exclusive semileptonic decays B->pi0lnu, B->pi+lnu, B->rho0lnu, B->rho+lnu and B->omegalnu, where l represents an electron or a muon. The ev…

hep-ex2013★ 10 cited

Search for Bottomonium States in Exclusive Radiative Upsilon(2S) Decays

Belle Collaboration, S. Sandilya, K. Trabelsi +173

We search for bottomonium states in Upsilon(2S)-> (bb-bar) gamma decays with an integrated luminosity of 24.7fb^-1 recorded at the Upsilon(2S) resonance with the Belle detector at…

hep-ex2013★ 8 cited

First Observation of Cabibbo-Suppressed Ξ_c^0 Decays

Belle Collaboration, R. Chistov, I. Adachi +177

We report the first observation of the Cabibbo-suppressed decays $Ξ_{c}^{0} \to Ξ^{-} K^{+}$ , $Ξ_c^0\raΛK^+ K^-$ and $Ξ_{c}^{0} \to Λ ϕ$ , using a data sample of $711\, \mathrm{fb}…

hep-ex2013★ 13 cited

Evidence for the decay B0 --> K+K-pi0

The Belle Collaboration, V. Gaur, G. B. Mohanty +168

We report a search for charmless hadronic decays of neutral B mesons to the final state K+K-pi0. The results are based on a 711 fb^-1 data sample that contains 772x10^6 BB-bar pair…

hep-ex2013★ 739 cited

Study of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Observation of a Charged Charmonium-like State at Belle

Belle Collaboration, Z. Q. Liu, C. P. Shen +185

The cross section for $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ between 3.8 GeV and 5.5 GeV is measured with a 967 fb $^{- 1}$ data sample collected by the Belle detector at or near the $Υ (n S)$ ($n…

hep-ex2013★ 7 cited

Measurement of exclusive $Υ (1 S)$ and $Υ (2 S)$ decays into Vector-Pseudoscalar final states

Belle Collaboration, C. P. Shen, C. Z. Yuan +178

Using samples of 102 million $Υ (1 S)$ and 158 million $Υ (2 S)$ events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to $\k…

hep-ex2013★ 91 cited

Evidence of a new narrow resonance decaying to $χ_{c 1} γ$ in $B \to χ_{c 1} γ K$

Belle Collaboration, V. Bhardwaj, K. Miyabayashi +188

We report measurements of $B \to χ_{c 1} γ K$ and $χ_{c 2} γ K$ decays using $772 \times 1 0^{6}$ $B B ˉ$ events collected at the $Υ (4 S)$ resonance with the Belle detector at the KEK…

hep-ex2013★ 45 cited

Measurement of the CP Violation Parameters in B0 -> pi+ pi- Decays

Belle Collaboration, J. Dalseno, K. Prothmann +188

We present a measurement of the time-dependent charge-parity (CP) violation parameters in B0 -> pi+ pi- decays. The results are obtained from the final data sample containing 772 m…