S. Yashchenko
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View article: The dependence of the air permeability of glass-mica tapes on the technology of production
The dependence of the air permeability of glass-mica tapes on the technology of production Open
The main part of technological processes in almost all industries, including those related to transportation, processing of mineral raw materials, cannot be implemented without the use of electric motors. The high reliability of these mach…
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: 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: 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: Search for the decay $B^0 \rightarrow\phi\gamma$
Search for the decay $B^0 \rightarrow\phi\gamma$ Open
We have searched for the decay $B^{0} \\to \\phi \\gamma$ using the full Belle data set of 772 x 10$^6$ B$\\bar{B}$ pairs collected at the $\\Upsilon$(4S) resonance with the Belle detector at the KEKB e+e- collider. No signal is observed, …
View article: Evidence for the decay $B^0\\rightarrow\\eta \\pi^0$
Evidence for the decay $B^0\\rightarrow\\eta \\pi^0$ Open
We report a search for the charmless hadronic decay B0 -> \\eta \\pi^0 with a data sample corresponding to an integrated luminosity of 694 fb^{-1} containing 753\\times 10^6 B\\bar{B} pairs. The data were collected by the Belle experiment …