V. Popov

activity

20132024

most citedTest of lepton flavor universality and search for lepton flavor violation in

B \to K ℓℓ

decays

134 citations · 476 across the 20 of their papers we have counts for

collaborators

Showing hep-exShow all

18 papers · 1 filter

hep-ex2021★ 3 cited

Search for the Decay $B_{s}^{0} \to η^{'} η$

Belle Collaboration, N. K. Nisar, V. Savinov +197

We report the results of the first search for the decay $B_{s}^{0} \to η^{'} η$ using $121.4 fb^{- 1}$ of data collected at the $Υ (5 S)$ resonance with the Belle dete…

hep-ex2021★ 41 cited

Measurements of the branching fractions of the semileptonic decays $Ξ_{c}^{0} \to Ξ^{-} ℓ^{+} ν_{ℓ}$ and the asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{-} π^{+}$

Belle Collaboration, Y. B. Li, C. P. Shen +182

Using data samples of 89.5 and 711 fb $^{- 1}$ recorded at energies of $s = 10.52$ and $10.58$ GeV, respectively, with the Belle detector at the KEKB $e^{+} e^{-}$ collider, we repor…

hep-ex2020★ 13 cited

Search for lepton-number- and baryon-number-violating tau decays at Belle

D. Sahoo, G. B. Mohanty, K. Trabelsi +222

We search for lepton-number- and baryon-number-violating decays $τ^{-} \to p e^{+} e^{-}$ , $p e^{-} e^{-}$ , $p e^{+} μ^{-}$ , $p e^{-} μ^{+}$ , $\overline{p}μ^…

hep-ex2019★ 34 cited

Observation of a vector charmoniumlike state in $e^{+} e^{-} \to D_{s}^{+} D_{s 1} (2536)^{-} + c . c .$

Belle Collaboration, S. Jia, C. P. Shen +171

Using a data sample of 921.9 fb $^{- 1}$ collected with the Belle detector, we study the process of $e^{+} e^{-} \to D_{s}^{+} D_{s 1} (2536)^{-} + c . c .$ via initial-state radiation. We report the fi…

hep-ex2019★ 2 cited

Observation of the radiative decays of $Υ (1 S)$ to $χ_{c 1}$

P. Katrenko, I. Adachi, H. Aihara +166

We report the first observation of the radiative decay of the $Υ (1 S)$ into a charmonium state. The statistical significance of the observed signal of $Υ (1 S) \to γ χ_{c 1}$ is 6.3 sta…

hep-ex2019★ 19 cited

Azimuthal asymmetries of back-to-back $π^{\pm} - (π^{0}, η, π^{\pm})$ pairs in $e^{+} e^{-}$ annihilation

Belle Collaboration, H. Li, A. Vossen +126

This work reports the first observation of azimuthal asymmetries around the thrust axis in $e^{+} e^{-}$ annihilation of pairs of back-to-back charged pions in one hemisphere, and $π^{0}$ …

hep-ex2019★ 134 cited

Test of lepton flavor universality and search for lepton flavor violation in $B \to K ℓℓ$ decays

S. Choudhury, S. Sandilya, K. Trabelsi +220

We present measurements of the branching fractions for the decays $B \to K μ^{+} μ^{-}$ and $B \to K e^{+} e^{-}$ , and their ratio ( $R_{K}$ ), using a data sample of 711 $f b^{- 1}$ that…

hep-ex2019★ 16 cited

Search for $X (3872)$ and $X (3915)$ decay into $χ_{c 1} π^{0}$ in $B$ decays at Belle

V. Bhardwaj, S. Jia, I. Adachi +190

The Belle experiment searched for the exotic states X(3872) and X(3915) decaying to χc1 π0 in B⁺ → χc1 π0 K⁺ decays and set upper limits on the product branching fractions.

hep-ex2019★ 5 cited

Evidence for the decay $B^{0} \to p p ˉ π^{0}$

Belle Collaboration, B. Pal, I. Adachi +172

We report a search for the charmless baryonic decay $B^{0} \to p p ˉ π^{0}$ with a data sample corresponding to an integrated luminosity of 711~ $f b^{- 1}$ containing $(772\pm 10)\t…

hep-ex2018★ 10 cited

Observation of $e^{+} e^{-} \to γ χ_{c 1}$ and search for $e^{+} e^{-} \to γ χ_{c 0}, γ χ_{c 2},$ and $γ η_{c}$ at $s$ near 10.6 GeV at Belle

Belle Collaboration, S. Jia, X. L. Wang +190

Using data samples of 89.5~fb $^{- 1}$ , 711.0~fb $^{- 1}$ , and 121.4~fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider at center-of-mass energ…

hep-ex2018★ 6 cited

Search for $C P$ violation with kinematic asymmetries in the $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decay

Belle Collaboration, J. B. Kim, E. Won +182

We search for $C P$ violation in the singly-Cabibbo-suppressed decay $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ using data corresponding to an integrated luminosity of $988\text{ }{\rm…

hep-ex2018★ 66 cited

Observation of Transverse $Λ/ Λ ˉ$ Hyperon Polarization in $e^{+} e^{-}$ Annihilation at Belle

Belle Collaboration, Y. Guan, A. Vossen +205

We report the first observation of the spontaneous polarization of $Λ$ and $Λ ˉ$ hyperons transverse to the production plane in $e^{+} e^{-}$ annihilation, which is attributed to the…

hep-ex2018★ 5 cited

Observation of $Υ (2 S) \to γ η_{b} (1 S)$ decay

Belle Collaboration, B. G. Fulsom, T. K. Pedlar +196

We report the observation of $Υ (2 S) \to γ η_{b} (1 S)$ decay based on analysis of the inclusive photon spectrum of $24.7$ fb $^{- 1}$ of $e^{+} e^{-}$ collisions at the $Υ (2 S)$ center-of-mass…

hep-ex2018★ 6 cited

Observation of $e^{+} e^{-} \to π^{+} π^{-} π^{0} χ_{b 1, 2} (1 P)$ and search for $e^{+} e^{-} \to ϕ χ_{b 1, 2} (1 P)$ at $s =$ 10.96---11.05 GeV

J. H. Yin, C. Z. Yuan, I. Adachi +187

We report searches for the processes $e^{+} e^{-} \to π^{+} π^{-} π^{0} χ_{b J}$ and $e^{+} e^{-} \to ϕ χ_{b J}$ (J=1,2) based on data samples collected by the Belle experiment at the KEKB collider. We repo…

hep-ex2018★ 63 cited

Observation of an excited $Ω^{-}$ baryon

J. Yelton, I. Adachi, J. K. Ahn +189

Using data recorded with the Belle detector, we observe a new excited hyperon, an $Ω^{*-}$ candidate decaying into $Ξ^{0} K^{-}$ and $Ξ^{-} K_{S}^{0}$ with a mass of $2012.4\pm0.7\ {\rm (stat)…

hep-ex2018★ 10 cited

Observation of $Υ (4 S) \to η^{'} Υ (1 S)$

Belle Collaboration, E. Guido, R. Mussa +168

We report the first observation of the hadronic transition $Υ (4 S) \to η^{'} Υ (1 S)$ , using 496 fb $^{- 1}$ data collected at the $Υ (4 S)$ resonance with the Belle detector at the KEKB asymme…

hep-ex2018★ 7 cited

Measurement of the Decays $Λ_{c} \to Σ π π$ at Belle

Belle Collaboration, M. Berger, C. Schwanda +196

We report measurements of the branching fractions of the decays $Λ_{c}^{+} \to Σ^{+} π^{-} π^{+}$ , $Λ_{c}^{+} \to Σ^{0} π^{+} π^{0}$ and $Λ_{c}^{+} \to Σ^{+} π^{0} π^{0}$ relative to the reference channel $Λ^+_c\to pK^-π^+…

hep-ex2017★ 16 cited

Search for $C P$ violation in the $D^{+} \to π^{+} π^{0}$ decay at Belle

Belle Collaboration, V. Babu, K. Trabelsi +196

We search for $C P$ violation in the charged charm meson decay $D^{+} \to π^{+} π^{0}$ , based on a data sample corresponding to an integrated luminosity of $921 f b^{- 1}$ collected…

Search for the Decay Bs0​→η′η

Measurements of the branching fractions of the semileptonic decays Ξc0​→Ξ−ℓ+νℓ​ and the asymmetry parameter of Ξc0​→Ξ−π+

Search for lepton-number- and baryon-number-violating tau decays at Belle

Observation of a vector charmoniumlike state in e+e−→Ds+​Ds1​(2536)−+c.c.

Observation of the radiative decays of Υ(1S) to χc1​

Azimuthal asymmetries of back-to-back π±−(π0,η,π±) pairs in e+e− annihilation

Test of lepton flavor universality and search for lepton flavor violation in B→Kℓℓ decays

Search for X(3872) and X(3915) decay into χc1​π0 in B decays at Belle

Evidence for the decay B0→ppˉ​π0

Observation of e+e−→γχc1​ and search for e+e−→γχc0​,γχc2​, and γηc​ at s​ near 10.6 GeV at Belle

Search for CP violation with kinematic asymmetries in the D0→K+K−π+π− decay

Observation of Transverse Λ/Λˉ Hyperon Polarization in e+e− Annihilation at Belle

Observation of Υ(2S)→γηb​(1S) decay

Observation of e+e−→π+π−π0χb1,2​(1P) and search for e+e−→ϕχb1,2​(1P) at s​=10.96---11.05 GeV

Observation of an excited Ω− baryon

Observation of Υ(4S)→η′Υ(1S)

Measurement of the Decays Λc​→Σππ at Belle

Search for CP violation in the D+→π+π0 decay at Belle