L. Pesántez

activity

20142021

τ

lepton polarization and

R (D^{*})

in the decay

B ˉ \to D^{*} τ^{-} ν ˉ_{τ}

471 citations · 855 across the 14 of their papers we have counts for

collaborators

16 papers

hep-ex2021★ 1 cited

Study of $χ_{b J} (n P) \to ω Υ (1 S)$ at Belle

Belle Collaboration, A. Abdesselam, I. Adachi +470

We report results from a study of hadronic transitions of the $χ_{b J} (n P)$ states of bottomonium at Belle. The $P$ -wave states are reconstructed in transitions to the $Υ (1 S)$ with…

hep-ex2020★ 6 cited

Measurement of two-particle correlations in hadronic $e^{+} e^{-}$ collisions at Belle

Belle Collaboration, A. Abdesselam, I. Adachi +459

The enhancement of charged-particle pairs with large pseudorapidity difference and small azimuthal angle difference, often referred to as the ``ridge signal'', is a phenomenon wide…

hep-ex2019

Experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$

The Belle Collaboration, A. Abdesselam, I. Adachi +454

We report an experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$ using 980 fb $^{- 1}$ data in the $e^{+} e^{-}$ annihilation around $s = 10.6$ GeV collected by…

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-ex2017★ 41 cited

Search for $C P$ Violation and Measurement of the Branching Fraction in the Decay $D^{0} \to K_{S}^{0} K_{S}^{0}$

N. Dash, S. Bahinipati, V. Bhardwaj +196

We report a study of the decay $D^{0} \to K_{S}^{0} K_{S}^{0}$ using 921~fb $^{- 1}$ of data collected at or near the $Υ (4 S)$ and $Υ (5 S)$ resonances with the Belle detector at the KEKB asymmet…

hep-ex2017★ 170 cited

Search for $B \to hν ν ˉ$ decays with semileptonic tagging at Belle

The Belle Collaboration, J. Grygier, P. Goldenzweig +203

We present the results of a search for the rare decays $B \to h ν ν$ , where $h$ stands for $K^{+}, K_{S}^{0}, K^{*+}, K^{* 0}, π^{+}, π^{0}, ρ^{+}$ and $ρ^{0}$ . T…

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★ 34 cited

Observation of $D^{0} \to ρ^{0} γ$ and search for $C P$ violation in radiative charm decays

Belle Collaboration, T. Nanut, A. Zupanc +156

We report the first observation of the radiative charm decay $D^{0} \to ρ^{0} γ$ and the first search for $C P$ violation in decays $D^{0} \to ρ^{0} γ$ , $ϕ γ$ , and $K^{* 0} γ$ , u…

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-ex2015★ 31 cited

First observation of the hadronic transition $Υ (4 S) \to η h_{b} (1 P)$ and new measurement of the $h_{b} (1 P)$ and $η_{b} (1 S)$ parameters

The Belle Collaboration, U. Tamponi, R. Mussa +156

Using a sample of $771.6 \times 1 0^{6}$ $Υ (4 S)$ decays collected by the Belle experiment at the KEKB $e^{+} e^{-}$ collider, we observe for the first time the transition $Υ(4S) \to ηh_b…

hep-ex2015

First Observation of CP Violation in B0->D(*)CP h0 Decays by a Combined Time-Dependent Analysis of BaBar and Belle Data

The BaBar, Belle Collaborations, : +471

We report a measurement of the time-dependent CP asymmetry of B0->D(*)CP h0 decays, where the light neutral hadron h0 is a pi0, eta or omega meson, and the neutral D meson is recon…

hep-ex2015★ 17 cited

Measurements of $B \to D ˉ D_{s 0}^{+} (2317)$ decay rates and a search for isospin partners of the $D_{s 0}^{+} (2317)$

The Belle Collaboration, S. -K. Choi, S. L. Olsen +173

We report improved measurements of the product branching fractions ${\mathcal B}(B^+\rightarrow\bar{D}^0 D_{s0}^{*+} (2317))\times{\mathcal B}( D_{s0} ^{*+}(2317)\rightarrow D_s^{+…

hep-ex2015★ 1 cited

Measurement of the amplitude ratio of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D \to K_{S}^{0} π^{+} π^{-}$ decays

A. Abdesselam, I. Adachi, K. Adamczyk +409

We report a measurement of the amplitude ratio $r_{S}$ of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D\to K_S^0π^+π…

hep-ex2015★ 59 cited

Search for the dark photon and the dark Higgs boson at Belle

The Belle Collaboration

The dark photon, $A^{'}$ , and the dark Higgs boson, $h^{'}$ , are hypothetical constituents featured in a number of recently proposed Dark Sector Models. Assuming prompt decay…

hep-ex2015★ 5 cited

Measurement of the direct $C P$ asymmetry in $B ˉ \to X_{s + d} γ$ decays with a lepton tag

L. Pesántez, P. Urquijo, J. Dingfelder +180

We report the measurement of the direct $C P$ asymmetry in the radiative $B ˉ \to X_{s + d} γ$ decay using a data sample of $(772 \pm 11) \times 1 0^{6}$ $B B ˉ$ pairs collec…

hep-ex2014

Measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays with the semileptonic tagging method and the full Belle data sample

Belle Collaboration, A. Abdesselam, I. Adachi +392

We report a measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays using a data sample of $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $Υ (4 S)$ resonance with the…

Study of χbJ​(nP)→ωΥ(1S) at Belle

Measurement of two-particle correlations in hadronic e+e− collisions at Belle

Experimental determination of the isospin of Λc​(2765)+/Σc​(2765)+

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

Search for CP Violation and Measurement of the Branching Fraction in the Decay D0→KS0​KS0​

Search for B→hννˉ decays with semileptonic tagging at Belle

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

Observation of D0→ρ0γ and search for CP violation in radiative charm decays

Observation of the decay Bs0​→K0K0

First observation of the hadronic transition Υ(4S)→ηhb​(1P) and new measurement of the hb​(1P) and ηb​(1S) parameters