S. Choudhury

activity

20162023

τ

lepton polarization and

R (D^{*})

in the decay

B ˉ \to D^{*} τ^{-} ν ˉ_{τ}

with one-prong hadronic

τ

decays at Belle

232 citations · 2.5k across the 106 of their papers we have counts for

collaborators

Showing 2018Show all

15 papers · 1 filter

hep-ex2018★ 3 cited

Measurements of branching fraction and direct $C P$ asymmetry in $B^{\pm} \to K_{S}^{0} K_{S}^{0} K^{\pm}$ and a search for $B^{\pm} \to K_{S}^{0} K_{S}^{0} π^{\pm}$

The Belle Collaboration, A. B. Kaliyar, P. Behera +197

We study charmless hadronic decays of charged $B$ mesons to the final states $K_{S}^{0} K_{S}^{0} K^{\pm}$ and $K_{S}^{0} K_{S}^{0} π^{\pm}$ using a $711 f b^{- 1}$ data sample that cont…

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★ 46 cited

Observation of $Ξ (1620)^{0}$ and evidence for $Ξ (1690)^{0}$ in $Ξ_{c}^{+} \to Ξ^{-} π^{+} π^{+}$ decays

Belle collaboration, M. Sumihama, I. Adachi +183

We report the first observation of the doubly-strange baryon $Ξ (1620)^{0}$ in its decay to $Ξ^{-} π^{+}$ via $Ξ_{c}^{+} \to Ξ^{-} π^{+} π^{+}$ decays based on a $980 fb^{- 1}$ data sa…

hep-ex2018★ 32 cited

Search for the rare decay of $B^{+} \to ℓ^{+} ν_{ℓ} γ$ with improved hadronic tagging

M. Gelb, F. U. Bernlochner, P. Goldenzweig +184

We present the result of the search for the rare $B$ meson decay of $B^{+} \to ℓ^{+} ν_{ℓ} γ$ with $ℓ = e, μ$ . For the search the full data set recorded by the Belle experim…

hep-ex2018★ 23 cited

Search for a light CP-odd Higgs boson and low-mass dark matter at the Belle experiment

Belle Collaboration, I. S. Seong, S. E. Vahsen +187

We report on the first Belle search for a light CP-odd Higgs boson, $A^{0}$ , that decays into low mass dark matter, $χ$ , in final states with a single photon and missing energy. We…

hep-ex2018★ 5 cited

Observation of $B^{+} \to p Λ ˉ K^{+} K^{-}$ and $B^{+} \to p ˉ Λ K^{+} K^{+}$

P. -C. Lu, M. -Z. Wang, R. Chistov +200

We report the study of \OK \ and \SK \ using a $772 \times 1 0^{6}$ $B B ˉ$ pair data sample recorded on the $Υ (4S)$ resonance with the Belle detector at KEKB. The following…

hep-ex2018★ 21 cited

Measurements of isospin asymmetry and difference of direct $C P$ asymmetries in inclusive $B \to X_{s} γ$ decays

S. Watanuki, A. Ishikawa, I. Adachi +174

We report measurements of isospin asymmetry $Δ_{0 -}$ and difference of direct $C P$ asymmetries $Δ A_{C P}$ between charged and neutral $B \to X_{s} γ$ decays. This analysis is based on…

hep-ex2018★ 9 cited

Search for the lepton-flavor-violating decay $B^{0} \to K^{* 0} μ^{\pm} e^{\mp}$

Belle Collaboration, S. Sandilya, K. Trabelsi +211

We have searched for the lepton-flavor-violating decay $B^{0} \to K^{* 0} μ^{\pm} e^{\mp}$ using a data sample of 711 $f b^{- 1}$ that contains $772 \times 1 0^{6}$ $B B ˉ$ pairs…

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★ 3 cited

Search for $Υ (1 S, 2 S) \to Z_{c}^{+} Z_{c}^{(') -}$ and $e^{+} e^{-} \to Z_{c}^{+} Z_{c}^{(') -}$ at $s$ = 10.52, 10.58, and 10.867 GeV

Belle Collaboration, S. Jia, C. P. Shen +177

The first search for $Z_{c}$ pair production in $Υ (1 S)$ and $Υ (2 S)$ decays and in $e^{+} e^{-}$ annihilation at $s$ = 10.52, 10.58, and 10.867 GeV is conducted using data col…

hep-ex2018★ 30 cited

Evidence of a structure in $K ˉ^{0} Λ_{c}^{+}$ consistent with a charged $Ξ_{c} (2930)^{+}$ , and updated measurement of $B ˉ^{0} \to K ˉ^{0} Λ_{c}^{+} Λ ˉ_{c}^{-}$ at Belle

Belle Collaboration, Y. B. Li, C. P. Shen +175

We report evidence for the charged charmed-strange baryon $Ξ_{c} (2930)^{+}$ with a signal significance of 3.9 $σ$ with systematic errors included. The charged $Ξ_{c} (2930)^{+}$ is found…

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-ph2018★ 4 cited

Centrality dependent long-range angular correlations of intermediate-pT D-mesons and charged particles in pPb collisions at the LHC energy

Somnath Kar, Subikash Choudhury, Samrangy Sadhu +1

The high-multiplicity events of pPb collisions at $s_{N N}$ = 5.02 TeV at the LHC exhibit unforeseen collective behaviour. One of the possible explanations to the collectivity…

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…

Measurements of branching fraction and direct CP asymmetry in B±→KS0​KS0​K± and a search for B±→KS0​KS0​π±

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

Observation of Ξ(1620)0 and evidence for Ξ(1690)0 in Ξc+​→Ξ−π+π+ decays

Search for the rare decay of B+→ℓ+νℓ​γ with improved hadronic tagging

Search for a light CP-odd Higgs boson and low-mass dark matter at the Belle experiment

Observation of B+→pΛˉK+K− and B+→pˉ​ΛK+K+

Measurements of isospin asymmetry and difference of direct CP asymmetries in inclusive B→Xs​γ decays

Search for the lepton-flavor-violating decay B0→K∗0μ±e∓

Observation of Υ(2S)→γηb​(1S) decay

Search for Υ(1S,2S)→Zc+​Zc(′)−​ and e+e−→Zc+​Zc(′)−​ at s​ = 10.52, 10.58, and 10.867 GeV

Evidence of a structure in Kˉ0Λc+​ consistent with a charged Ξc​(2930)+, and updated measurement of Bˉ0→Kˉ0Λc+​Λˉc−​ at Belle

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