T. Luo

activity

20122023

τ

lepton polarization and

R (D^{*})

in the decay

B ˉ \to D^{*} τ^{-} ν ˉ_{τ}

471 citations · 1.3k across the 21 of their papers we have counts for

collaborators

22 papers

hep-ph2023★ 4 cited

Phenomenological study of $J / ψ \to Ξ^{0} (Λ π^{0}) Ξ ˉ^{0} (Λ ˉ γ)$ decays

Peng-Cheng Hong, Rong-Gang Ping, Tao Luo +2

The measurement of decay parameters is one of the important goals of particle physics experiments, and the measurement serves as a probe to search for evidence of CP violation in b…

hep-ph2022

Study of parity violation in $Λ_{c}^{+} \to ϕp$ and $Λ_{c}^{+} \to ω p$ decays

PengCheng Hong, Fang Yan, RongGang Ping +1

Evidence for CP violation in baryonic decays has not been seen in experiments. With large data events accumulated at $e^{+} e^{-}$ collider or Large Hadron Collider, the charmed baryon…

hep-ex2019★ 46 cited

Search for an invisibly decaying $Z^{'}$ boson at Belle II in $e^{+} e^{-} \to μ^{+} μ^{-} (e^{\pm} μ^{\mp})$ plus missing energy final states

Belle II Collaboration, I. Adachi, P. Ahlburg +358

Theories beyond the standard model often predict the existence of an additional neutral boson, the $Z^{'}$ . Using data collected by the Belle II experiment during 2018 at the…

hep-ex2019★ 170 cited

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle

Belle Collaboration, S. Wehle, I. Adachi +179

We present a measurement of $R_{K^{*}}$ , the branching fraction ratio $B (B \to K^{*} μ^{+} μ^{-})$ / $B (B \to K^{*} e^{+} e^{-})$ , for both charged and neutral $B$ meso…

hep-ex2019★ 8 cited

Evidence for $B^{+} \to h_{c} K^{+}$ and observation of $η_{c} (2 S) \to p p ˉ π^{+} π^{-}$

Belle Collaboration, K. Chilikin, I. Adachi +173

A search for the decays $B^{+} \to h_{c} K^{+}$ and $B^{0} \to h_{c} K_{S}^{0}$ is performed. Evidence for the decay $B^{+} \to h_{c} K^{+}$ is found; its significance is $4.8σ…

hep-ex2017★ 72 cited

Observation of an alternative $χ_{c 0} (2 P)$ candidate in $e^{+} e^{-} \to J / ψ D D ˉ$

Belle Collaboration, K. Chilikin, I. Adachi +167

We perform a full amplitude analysis of the process $e^{+} e^{-} \to J / ψ D D ˉ$ , where $D$ refers to either $D^{0}$ or $D^{+}$ . A new charmoniumlike state $X^{*} (3860)$ that decay…

hep-ex2016

Lepton-Flavor-Dependent Angular Analysis of $B \to K^{*} ℓ^{+} ℓ^{-}$

Belle Collaboration, S. Wehle, C. Niebuhr +200

We present a measurement of angular observables and a test of lepton flavor universality in the $B \to K^{*} ℓ^{+} ℓ^{-}$ decay, where $ℓ$ is either $e$ or $μ$ . The analysis is…

hep-ex2016★ 471 cited

Measurement of the $τ$ lepton polarization and $R (D^{})$ in the decay $B ˉ \to D^{} τ^{-} ν ˉ_{τ}$

S. Hirose, T. Iijima, I. Adachi +191

We report the first measurement of the $τ$ lepton polarization $P_{τ} (D^{*})$ in the decay $B ˉ \to D^{*} τ^{-} ν ˉ_{τ}$ as well as a new measurement of the ratio of the branch…

hep-ex2016★ 12 cited

Search for the $0^{--}$ Glueball in $Υ (1 S)$ and $Υ (2 S)$ decays

Belle Collaboration, S. Jia, C. P. Shen +168

We report the first search for the $J^{P C} = 0^{--}$ glueball in $Υ (1 S)$ and $Υ (2 S)$ decays with data samples of $(102 \pm 2)$ million and $(158 \pm 4)$ million events, respectively, col…

hep-ex2016★ 14 cited

Measurement of $C P$ asymmetry in the $D^{0} \to K_{S}^{0} K_{S}^{0}$ decay at Belle

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report a measurement of the time-integrated $C P$ asymmetry in the neutral charm meson decay $D^{0} \to K_{S}^{0} K_{S}^{0}$ using 921~fb $^{- 1}$ data collected at the $Υ (4 S)$ and $Υ (5 S)$ r…

hep-ex2016

Evidence for the decay $B^{0} \to η η$

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report a search for $B^{0} \to η η$ with a data sample corresponding to an integrated luminosity of $698 fb^{- 1}$ containing $753 \times 1 0^{6}$ $B B ˉ$ pairs collected…

hep-ex2016★ 13 cited

Search for a dark vector gauge boson decaying to $π^{+} π^{-}$ using $η \to π^{+} π^{-} γ$ decays

E. Won, I. Adachi, H. Aihara +159

We report a search for a dark vector gauge boson $U^{'}$ that couples to quarks in the decay chain $D^{*+} \to D^{0} π^{+}, D^{0} \to K_{S}^{0} η, η \to U^{'} γ$ , $U^{'} \to π^{+} π^{-}$ …

hep-ex2016★ 5 cited

Study of Excited $Ξ_{c}$ States Decaying into $Ξ_{c}^{0}$ and $Ξ_{c}^{+}$ Baryons

Belle Collaboration, J. Yelton, I. Adachi +151

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…

hep-ex2016★ 362 cited

Measurement of the branching ratio of $B ˉ^{0} \to D^{+} τ^{-} ν ˉ_{τ}$ relative to $B ˉ^{0} \to D^{+} ℓ^{-} ν ˉ_{ℓ}$ decays with a semileptonic tagging method

Y. Sato, T. Iijima, K. Adamczyk +170

We report a measurement of the ratio $R (D^{*}) = B (B ˉ^{0} \to D^{*+} τ^{-} ν ˉ_{τ}) / B (B ˉ^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ})$ , where $ℓ$ d…

hep-ex2016★ 3 cited

Study of χ_{bJ}(1P) Properties in the Radiative Υ(2S) Decays

A. Abdesselam, I. Adachi, K. Adamczyk +444

We report a study of radiative decays of χ_{bJ}(1P)(J=0,1,2) mesons into 74 hadronic final states comprising charged and neutral pions, kaons, protons; out of these, 41 modes are o…

hep-ex2016★ 7 cited

Search for $X Y Z$ states in $Υ (1 S)$ inclusive decays

Belle Collaboration, C. P. Shen, C. Z. Yuan +152

The branching fractions of the $Υ (1 S)$ inclusive decays into final states with a $J / ψ$ or a $ψ (2 S)$ are measured with improved precision to be $\BR(Υ(1S)\to J/ψ+ {\rm anything})=(5…

hep-ex2015★ 19 cited

Observation of the decay $B_{s}^{0} \to K^{0} K^{0}$

Belle Collaboration, B. Pal, A. J. Schwartz +181

We measure the decay $B_{s}^{0} \to K^{0} K^{0}$ using data collected at the $Υ (5 S)$ resonance with the Belle detector at the KEKB $e^{+} e^{-}$ collider. The data sample used…

hep-ex2013★ 27 cited

Measurement of $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ and $η^{'} \to π^{+} π^{-} μ^{+} μ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

Based on a sample of 225.3 million J/ψevents accumulated with the BESIII detector at the BEPCII, the decays of η' to pi+pi-l+l- are studied via J/ψto γη'. A clear η' signal is obse…

hep-ex2012★ 7 cited

Observation of $η_{c}$ decay into $Σ^{+} Σ ˉ^{-}$ and $Ξ^{-} Ξ ˉ^{+}$ final states

The BESIII Collaboration, M. Ablikim, M. N. Achasov +349

Using a data sample of $2.25 \times 1 0^{8}$ $J / ψ$ events collected with the BESIII detector, we present the first observation of the decays of $η_{c}$ mesons to $Σ^{+} Σ ˉ^{-}$ and…

hep-ex2012★ 55 cited

Study of $ψ (3686) \to π^{0} h_{c}, h_{c} \to γ η_{c}$ via $η_{c}$ exclusive decays

The BESIII Collaboration, M. Ablikim, M. N. Achasov +346

The process $ψ (3686) \to π^{0} h_{c}, h_{c} \to γ η_{c}$ has been studied with a data sample of $106 \pm 4$ million $ψ (3686)$ events collected with the BESIII detector at the BEPCII storage…

hep-ex2012★ 5 cited

Experimental study of psi' decays to K+K- pi^0 and K+K- eta

M. Ablikim, M. N. Achasov, D. J. Ambrose +353

Using $(106 \pm 4) \times 1 0^{6}$ $\psip$ events accumulated with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider, we present measurements of the branching fractions for psi' decays…

hep-ex2012★ 18 cited

Evidence for $η_{c} \to γ γ$ and Measurement of $J / ψ \to 3 γ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +340

The decay of $J / ψ$ to three photons is studied using $ψ (3686) \to π^{+} π^{-} J / ψ$ in a sample of $1.0641 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector. Evidence of the di…

Phenomenological study of J/ψ→Ξ0(Λπ0)Ξˉ0(Λˉγ) decays

Study of parity violation in Λc+​→ϕp and Λc+​→ωp decays

Search for an invisibly decaying Z′ boson at Belle II in e+e−→μ+μ−(e±μ∓) plus missing energy final states

Test of lepton-flavor universality in B→K∗ℓ+ℓ− decays at Belle

Evidence for B+→hc​K+ and observation of ηc​(2S)→ppˉ​π+π−

Observation of an alternative χc0​(2P) candidate in e+e−→J/ψDDˉ

Lepton-Flavor-Dependent Angular Analysis of B→K∗ℓ+ℓ−

Measurement of the τ lepton polarization and R(D∗) in the decay Bˉ→D∗τ−νˉτ​

Search for the 0−− Glueball in Υ(1S) and Υ(2S) decays

Measurement of CP asymmetry in the D0→KS0​KS0​ decay at Belle

Evidence for the decay B0→ηη

Search for a dark vector gauge boson decaying to π+π− using η→π+π−γ decays

Study of Excited Ξc​ States Decaying into Ξc0​ and Ξc+​ Baryons

Measurement of the branching ratio of Bˉ0→D∗+τ−νˉτ​ relative to Bˉ0→D∗+ℓ−νˉℓ​ decays with a semileptonic tagging method