J. Haba
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View article: Search for the decay $B_s^0\rightarrow\eta\eta$
Search for the decay $B_s^0\rightarrow\eta\eta$ Open
We report results from a search for the decay $B_s^0 → η η$ using 121.4 fb$^{-1}$ of data collected at the $ϒ$(5S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We do not observe any signal and set an upper…
View article: Search for lepton-flavor-violating tau-lepton decays to $\ell\gamma$ at Belle
Search for lepton-flavor-violating tau-lepton decays to $\ell\gamma$ at Belle Open
Charged lepton flavor violation is forbidden in the Standard Model but possible in several new physics scenarios. In many of these models, the radiative decays $\\tau^{\\pm}\\rightarrow\\ell^{\\pm}\\gamma$ ($\\ell=e,\\mu$) are predicted to…
View article: Advances in Particle Detectors
Advances in Particle Detectors Open
Particle detectors are essential players of particle physics experiments to explore new regime of Nature. A detector system in every modern particle experiment consists of hundred types of advanced elements which detect the particles emitt…
View article: Search for a Light <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment
Search for a Light -odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment Open
We report on the first Belle search for a light CP-odd Higgs boson, $A^{0}$, that decays into low mass dark matter, $\chi$, in final states with a single photon and missing energy. We search for events produced via the dipion transition $\…
View article: Measurement of time-dependent CP violation in B⁰ → K⁰$_{S}$π⁰π⁰ decays
Measurement of time-dependent CP violation in B⁰ → K⁰$_{S}$π⁰π⁰ decays Open
We report a measurement of time-dependent CP violation in B0→K0Sπ0π0 decays using a data sample of 772×106 B¯B pairs collected by the Belle experiment running at the Υ(4S) resonance at the KEKB e+e− collider. This decay proceeds mainly via…
View article: Study of charmless decays $B^{\pm} \to K^{0}_{S} K^{0}_{S} h^{\pm}$ ($h=K,π$) at Belle
Study of charmless decays $B^{\pm} \to K^{0}_{S} K^{0}_{S} h^{\pm}$ ($h=K,π$) at Belle Open
We report a search for charmless hadronic decays of charged $B$ mesons to the final states $K^{0}_{S} K^{0}_{S} K^{\pm}$ and $K^{0}_{S} K^{0}_{S} π^{\pm}$ . The results are based on a $711 {fb}^{-1}$ data sample that contains $772 \times 1…
View article: Measurement of Time-dependent $CP$ Asymmetries in $B^{0}\to K_S^0 ηγ$ Decays
Measurement of Time-dependent $CP$ Asymmetries in $B^{0}\to K_S^0 ηγ$ Decays Open
We report a measurement of time-dependent $CP$ violation parameters in ${B^0 \to K_S^0 ηγ}$ decays. The study is based on a data sample, containing ${772 \times 10^6 B\bar{B}}$ pairs, that was collected at the $Υ(4S)$ resonance with the Be…
View article: Inclusive study of bottomonium production in association with an $η$ meson in $e^+e^-$ annihilations near $Υ(5S)$
Inclusive study of bottomonium production in association with an $η$ meson in $e^+e^-$ annihilations near $Υ(5S)$ Open
We study bottomonium production in association with an $η$ meson in $e^+e^-$ annihilations near the $Υ(5S)$, at a center of mass energy of $\sqrt{s}=10.866\,$GeV. The results are based on the $121.4\,$fb$^{-1}$ data sample collected by the…
View article: Inclusive study of bottomonium production in association with an $\eta$ meson in $e^+e^-$ annihilations near $\Upsilon(5S)$
Inclusive study of bottomonium production in association with an $\eta$ meson in $e^+e^-$ annihilations near $\Upsilon(5S)$ Open
We study bottomonium production in association with an $\eta$ meson in $e^+e^-$ annihilations near the $\Upsilon(5S)$, at a center of mass energy of $\sqrt{s}=10.866\,$GeV. The results are based on the $121.4\,$fb$^{-1}$ data sample collec…
View article: Search for $CP$ violation with Kinematic Asymmetries in the $D^{0}\rightarrow K^{+}K^{-}\pi^{+}\pi^{-}$ Decay
Search for $CP$ violation with Kinematic Asymmetries in the $D^{0}\rightarrow K^{+}K^{-}\pi^{+}\pi^{-}$ Decay Open
We search for $CP$ violation in the singly-Cabibbo-suppressed decay $D^{0}\rightarrow K^{+}K^{-}\pi^{+}\pi^{-}$ using data corresponding to an integrated luminosity of $988\text{ }{\rm fb}^{-1}$ collected by the Belle detector at the KEKB …
View article: Observation of $B^{+} \rightarrow p\bar{\Lambda} K^+ K^-$ and $B^{+} \rightarrow \bar{p}\Lambda K^+ K^+$
Observation of $B^{+} \rightarrow p\bar{\Lambda} K^+ K^-$ and $B^{+} \rightarrow \bar{p}\Lambda K^+ K^+$ Open
We report the study of $B^{+} \rightarrow p\bar{\Lambda} K^+ K^-$ and $B^{+} \rightarrow \bar{p}\Lambda K^+ K^+$ using a $772 \times 10^6$ $B\bar{B}$ pair data sample recorded on the $\Upsilon({\rm 4S})$ resonance with the Belle detector a…
View article: Measurement of the τ Michel parameters $\bar{\eta}$ and $\xi\kappa$ in the radiative leptonic decay $\tau^- \rightarrow \ell^- \nu_{\tau} \bar{\nu}_{\ell}\gamma$
Measurement of the τ Michel parameters $\bar{\eta}$ and $\xi\kappa$ in the radiative leptonic decay $\tau^- \rightarrow \ell^- \nu_{\tau} \bar{\nu}_{\ell}\gamma$ Open
We present a measurement of the Michel parameters of the $τ$ lepton, $\barη$ and $ξκ$, in the radiative leptonic decay $τ^- \rightarrow \ell^- ν_τ \barν_{\ell} γ$ using 711~f$\mathrm{b}^{-1}$ of collision data collected with the Belle dete…
View article: Search for $CP$ violation and measurement of the branching fraction in $D^{0} \to K^0_S K^0_S$ decay
Search for $CP$ violation and measurement of the branching fraction in $D^{0} \to K^0_S K^0_S$ decay Open
We report a study of the decay $D^0 \to K^0_S K^0_S$ using 921~fb$^{-1}$ of data collected at or near the $\Upsilon(4S)$ and $\Upsilon(5S)$ resonances with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The measured ti…
View article: Lepton-Flavor-Dependent Angular Analysis of $B\to K^\ast \ell^+\ell^-$
Lepton-Flavor-Dependent Angular Analysis of $B\to K^\ast \ell^+\ell^-$ Open
We present a measurement of angular observables and a test of lepton flavor universality in the $B\to K^\ast \ell^+\ell^-$ decay, where $\ell$ is either $e$ or $μ$. The analysis is performed on a data sample corresponding to an integrated …
View article: Measurement of the $τ$ lepton polarization and $R(D^*)$ in the decay $\bar{B} \to D^* τ^- \barν_τ$
Measurement of the $τ$ lepton polarization and $R(D^*)$ in the decay $\bar{B} \to D^* τ^- \barν_τ$ Open
We report the first measurement of the $τ$ lepton polarization $P_τ(D^*)$ in the decay $\bar{B} \rightarrow D^* τ^- \barν_τ$ as well as a new measurement of the ratio of the branching fractions $R(D^{*}) = \mathcal{B}(\bar {B} \rightarrow …
View article: Study of Two-Body $e^+e^- \to B_s^{(*)}\bar{B}_s^{(*)}$ Production in the Energy Range from 10.77 to 11.02 GeV
Study of Two-Body $e^+e^- \to B_s^{(*)}\bar{B}_s^{(*)}$ Production in the Energy Range from 10.77 to 11.02 GeV Open
We report results on the studies of the $e^+e^-\to B_s^{(*)}\bar{B}_s^{(*)}$ processes. The results are based on a $121.4$ fb$^{-1}$ data sample collected with the Belle detector at the center-of-mass energy near the $Υ(10860)$ peak and $1…
View article: Measurement of $CP$ asymmetry in the $D^{0} \to K^0_S K^0_S$ decay at Belle
Measurement of $CP$ asymmetry in the $D^{0} \to K^0_S K^0_S$ decay at Belle Open
We report a measurement of the time-integrated $CP$ asymmetry in the neutral charm meson decay $D^0 \to K^0_S K^0_S$ using 921~fb$^{-1}$ data collected at the $Υ(4S)$ and $Υ(5S)$ resonances with the Belle detector at the KEKB asymmetric-en…
View article: Evidence for the decay $B^{0}\to \eta \eta$
Evidence for the decay $B^{0}\to \eta \eta$ Open
We report a search for $B^{0}\\to \\eta \\eta $ with a data sample corresponding\nto an integrated luminosity of $698 \\,{\\rm fb}^{-1}$ containing $753 \\times\n10^{6}$ $B\\bar{B}$ pairs collected at the $\\Upsilon(4S)$ resonance with the…
View article: Measurement of the $\tau$ lepton polarization in the decay ${\bar B} \rightarrow D^* \tau^- {\bar \nu_{\tau}}$
Measurement of the $\tau$ lepton polarization in the decay ${\bar B} \rightarrow D^* \tau^- {\bar \nu_{\tau}}$ Open
We report the first measurement of the $\tau$ lepton polarization in the decay ${\bar B} \rightarrow D^* \tau^- {\bar\nu_{\tau}}$ as well as a new measurement of the ratio of the branching fractions $R(D^{*}) = \mathcal{B}({\bar B} \righta…
View article: Studies of charmed strange baryons in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="normal">Λ</mml:mi><mml:mi>D</mml:mi></mml:math>final state at Belle
Studies of charmed strange baryons in thefinal state at Belle Open
We report the discovery of Xi(c)(3055)(0), observed by its decay into the final-state Lambda D-0, and present the first observation and evidence of the decays of Xi(c)(3055)(+) and Xi(c)(3080)(+) into Lambda D+. We also perform a combined …
View article: First model-independent Dalitz analysis of B⁰ -> DK*⁰, D -> K⁰Sπ⁺π⁻ decay
First model-independent Dalitz analysis of B⁰ -> DK*⁰, D -> K⁰Sπ⁺π⁻ decay Open
We report a measurement of the amplitude ratio $r_S$ of $B^0 \to D^0K^{\ast 0}$ and $B^0 \to \bar {D^0}K^{\ast 0}$ decays with a Dalitz analysis of $D\to K_S^0\pi ^+\pi ^-$ decays, for the first time using a model-independent method. We se…
View article: Inclusive cross sections for pairs of identified light charged hadrons and for single protons in $e^+e^-$ at $\sqrt{s}=$ 10.58 GeV
Inclusive cross sections for pairs of identified light charged hadrons and for single protons in $e^+e^-$ at $\sqrt{s}=$ 10.58 GeV Open
We report the first double differential cross sections of two charged pions and kaons ($e^+e^- \rightarrow hhX$) in electron-positron annihilation as a function of the fractional energies of the two hadrons for any charge and hadron combin…