G. Karyan

activity

20042025

R (D)

and

R (D^{*})

with a semileptonic tagging method

236 citations · 4.6k across the 201 of their papers we have counts for

collaborators

Showing 2018Show all

18 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★ 52 cited

First measurements of absolute branching fractions of $Ξ_{c}^{0}$ at Belle

Belle Collaboration, Y. B. Li, C. P. Shen +158

We present the first measurements of absolute branching fractions of $Ξ_{c}^{0}$ decays into $Ξ^{-} π^{+}$ , $Λ K^{-} π^{+}$ , and $p K^{-} K^{-} π^{+}$ final states. The measurements are made using a…

hep-ex2018★ 17 cited

Longitudinal double-spin asymmetries in semi-inclusive deep-inelastic scattering of electrons and positrons by protons and deuterons

HERMES Collaboration, A. Airapetian, N. Akopov +96

A comprehensive collection of results on longitudinal double-spin asymmetries is presented for charged pions and kaons produced in semi-inclusive deep-inelastic scattering of elect…

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★ 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★ 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★ 112 cited

Measurement of the CKM Matrix Element $∣ V_{c b} ∣$ from $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ at Belle

E. Waheed, P. Urquijo, I. Adachi +184

We present a new measurement of the CKM matrix element $∣ V_{c b} ∣$ from $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ decays, reconstructed with the full Belle data set of $711 f b^{- 1}$ i…

hep-ex2018

Study of charmless decays $B^{\pm} \to K_{S}^{0} K_{S}^{0} h^{\pm}$ ( $h = K, π$ ) at Belle

The Belle Collaboration, A. Abdesselam, I. Adachi +449

We report a search for charmless hadronic decays of charged $B$ mesons to the final states $K_{S}^{0} K_{S}^{0} K^{\pm}$ and $K_{S}^{0} K_{S}^{0} π^{\pm}$ . The results are based o…

hep-ex2018★ 1 cited

Measurements of branching fraction and $C P$ asymmetry of the $B ˉ^{0} (B^{0}) \to K_{S}^{0} K^{\mp} π^{\pm}$ decay at Belle

A. Abdesselam, I. Adachi, K. Adamczyk +446

We report the measurement of the branching fraction and $C P$ asymmetry for the $B ˉ^{0} (B^{0}) \to K_{S}^{0} K^{\mp} π^{\pm}$ decay. The analysis is performed on a data sample of…

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★ 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★ 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★ 6 cited

Measurement of eta_c(1S), eta_c(2S) and non-resonant eta' pi+ pi- production via two-photon collisions

The Belle Collaboration, Q. N. Xu, I. Adachi +176

We report the measurement of gamma gamma to eta_c(1S), eta_c(2S) to eta' pi+ pi- with eta' decays to gamma rho and eta pi+ pi- using 941 fb^{-1} of data collected with the Belle de…

hep-ex2018★ 32 cited

Measurement of $cos 2 β$ in $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

The BaBar, Belle Collaborations, : +407

We report measurements of $sin 2 β$ and $cos 2 β$ from a time-dependent Dalitz plot analysis of $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays, where the lig…

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-ex2018★ 13 cited

Measurement of Branching Fractions of Hadronic Decays of the $Ω_{c}^{0}$ Baryon

Belle Collaboration, J. Yelton, I. Adachi +186

Using a data sample of 980 $fb^{- 1}$ of $e^{+} e^{-}$ annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we report the resu…

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

First measurements of absolute branching fractions of Ξc0​ at Belle

Longitudinal double-spin asymmetries in semi-inclusive deep-inelastic scattering of electrons and positrons by protons and deuterons

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

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

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

Measurement of the CKM Matrix Element ∣Vcb​∣ from B0→D∗−ℓ+νℓ​ at Belle

Study of charmless decays B±→KS0​KS0​h± (h=K,π) at Belle

Measurements of branching fraction and CP asymmetry of the Bˉ0(B0)→KS0​K∓π± decay at Belle

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

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

Observation of an excited Ω− baryon