184 research outputs found

    Implementing Efficient Search Results and Navigation in website J.Prasanth kumar

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    Designing structured website and organizing search results in website is Challenging task. For this we propose mathematical programming model to improve user navigation as well as novel search interface that enables the user to navigate large number of query results by organizing them using the concept hierarchy. The results are organized into a navigation tree. At each node expansion step we implement classification algorithms [TF-IDF, SVM] for efficient classification of nodes and an advanced k-means algorithm for assigning priorities to the web site navigation links based on the efficient content retrieved. It reveals only a small subset of the concept nodes finally the expected user navigation cost is minimized

    Genetic diversity and population structure of sweet orange (Citrus aurantium) germplasm revealed by SSR and InDel markers

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    An experiment was conducted during 2019–21 at ICAR-Central Citrus Research Institute, Nagpur, Maharashtra, in which two molecular markers, SSR and InDels were used to understand the genetic diversity and population structure of 72 sweet orange [Citrus aurantium (L.)] genotypes. The studied genotypes showed a genetic variability with an average genetic polymorphism of 68.89 and 56.52% with InDels and SSR, respectively. Allele numbers ranged from 1–2 with 1.86 and 1.25 average numbers of alleles per marker for InDel and SSR, respectively. Two dendrograms were constructed independently based on the InDels and SSR markers. In both cases, they formed 3 major clusters showing various degrees of variations concerning members of the clusters. Based on k-means clustering, the studied genotypes were divided into 2 distinct sub-populations. Soh Khylla, Soh Niairang, and Tasi, the genoptypes from north-eastern region exhibited informative and distinctive patterns in both the marker types

    Measurement of the τ\tau lepton polarization and R(D)R(D^*) in the decay BˉDτνˉτ\bar{B} \to D^* \tau^- \bar{\nu}_\tau

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    We report the first measurement of the τ\tau lepton polarization Pτ(D)P_\tau(D^*) in the decay BˉDτνˉτ\bar{B} \rightarrow D^* \tau^- \bar{\nu}_\tau as well as a new measurement of the ratio of the branching fractions R(D)=B(BˉDτνˉτ)/B(BˉDνˉ)R(D^{*}) = \mathcal{B}(\bar {B} \rightarrow D^* \tau^- \bar{\nu}_\tau) / \mathcal{B}(\bar{B} \rightarrow D^* \ell^- \bar{\nu}_\ell), where \ell^- denotes an electron or a muon, and the τ\tau is reconstructed in the modes τπντ\tau^- \rightarrow \pi^- \nu_\tau and τρντ\tau^- \rightarrow \rho^- \nu_\tau. We use the full data sample of 772×106772 \times 10^6 BBˉB{\bar B} pairs recorded with the Belle detector at the KEKB electron-positron collider. Our results, Pτ(D)=0.38±0.51(stat.)0.16+0.21(syst.)P_\tau(D^*) = -0.38 \pm 0.51 {\rm (stat.)} ^{+0.21}_{-0.16} {\rm (syst.)} and R(D)=0.270±0.035(stat.)0.025+0.028(syst.)R(D^*) = 0.270 \pm 0.035{\rm (stat.)} ^{+0.028}_{-0.025}{\rm (syst.)}, are consistent with the theoretical predictions of the Standard Model.Comment: 7 pages, 2 figures, submitted to Physical Review Letters; one figure was removed from the first versio

    Evidence for Isospin Violation and Measurement of CPCP Asymmetries in BK(892)γB \to K^{\ast}(892) \gamma

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    We report the first evidence for isospin violation in BKγB \to K^* \gamma and the first measurement of difference of CPCP asymmetries between B+K+γB^+ \to K^{*+} \gamma and B0K0γB^0 \to K^{*0} \gamma. This analysis is based on the data sample containing 772×106BBˉ772 \times 10^6 B\bar{B} pairs that was collected with the Belle detector at the KEKB energy-asymmetric e+ee^+ e^- collider. We find evidence for the isospin violation with a significance of 3.1σ\sigma, Δ0+=(+6.2±1.5(stat.)±0.6(syst.)±1.2(f+/f00))\Delta_{0+} = (+6.2 \pm 1.5 ({\rm stat.}) \pm 0.6 ({\rm syst.}) \pm 1.2 (f_{+-}/f_{00}))\%, where the third uncertainty is due to the uncertainty on the fraction of B+BB^+B^- to B0Bˉ0B^0\bar{B}^0 production in Υ(4S)\Upsilon(4S) decays. The measured value is consistent with predictions of the SM. The result for the difference of CPCP asymmetries is ΔACP=(+2.4±2.8(stat.)±0.5(syst.))\Delta A_{CP} = (+2.4 \pm 2.8({\rm stat.}) \pm 0.5({\rm syst.}))\%, consistent with zero. The measured branching fractions and CPCP asymmetries for charged and neutral BB meson decays are the most precise to date. We also calculate the ratio of branching fractions of B0K0γB^0 \to K^{*0} \gamma to Bs0ϕγB_s^0 \to \phi \gamma.Comment: 11 pages, 7 figures. shown at FPCP2017. accepted by PR

    Search for CPCP violation in the D+π+π0D^{+}\to\pi^{+}\pi^{0} decay at Belle

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    We search for CPCP violation in the charged charm meson decay D+π+π0D^{+}\to\pi^{+}\pi^{0}, based on a data sample corresponding to an integrated luminosity of 921 fb1\rm 921~fb^{-1} collected by the Belle experiment at the KEKB e+ee^{+}e^{-} asymmetric-energy collider. The measured CPCP violating asymmetry is [+2.31±1.24(stat)±0.23(syst)]%[+2.31\pm1.24({\rm stat})\pm0.23({\rm syst})]\%, which is consistent with the standard model prediction and has a significantly improved precision compared to previous results.Comment: 8 pages, 3 figure

    Search for CPCP Violation and Measurement of the Branching Fraction in the Decay D0KS0KS0D^{0} \to K^0_S K^0_S

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    We report a study of the decay D0KS0KS0D^0 \to K^0_S K^0_S using 921~fb1^{-1} of data collected at or near the Υ(4S)\Upsilon(4S) and Υ(5S)\Upsilon(5S) resonances with the Belle detector at the KEKB asymmetric energy e+ee^+e^- collider. The measured time-integrated CPCP asymmetry is ACP(D0KS0KS0)=(0.02±1.53±0.02±0.17)% A_{CP}(D^0 \to K^0_S K^0_S) = (-0.02 \pm 1.53 \pm 0.02 \pm 0.17) \%, and the branching fraction is B(D0KS0KS0)\mathcal{B} (D^{0}\rightarrow K_{S}^{0}K_{S}^{0}) = (1.321 ±\pm 0.023 ±\pm 0.036 ±\pm 0.044) ×\times 104^{-4}, where the first uncertainty is statistical, the second is systematic, and the third is due to the normalization mode (D0KS0π0D^0 \to K_S^0 \pi^0). These results are significantly more precise than previous measurements available for this mode. The ACPA_{CP} measurement is consistent with the standard model expectation.Comment: 7 pages,1 figure, Submitted to PR

    Angular analysis of B0K(892)0+B^0 \to K^\ast(892)^0 \ell^+ \ell^-

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    We present a measurement of angular observables, P4P_4', P5P_5', P6P_6', P8P_8', in the decay B0K(892)0+B^0 \to K^\ast(892)^0 \ell^+ \ell^-, where +\ell^+\ell^- is either e+ee^+e^- or μ+μ\mu^+\mu^-. The analysis is performed on a data sample corresponding to an integrated luminosity of 711 fb1711~\mathrm{fb}^{-1} containing 772×106772\times 10^{6} BBˉB\bar B pairs, collected at the Υ(4S)\Upsilon(4S) resonance with the Belle detector at the asymmetric-energy e+ee^+e^- collider KEKB. Four angular observables, P4,5,6,8P_{4,5,6,8}' are extracted in five bins of the invariant mass squared of the lepton system, q2q^2. We compare our results for P4,5,6,8P_{4,5,6,8}' with Standard Model predictions including the q2q^2 region in which the LHCb collaboration reported the so-called P5P_5' anomaly.Comment: Conference paper for LHC Ski 2016. SM prediction for P6P_{6}' corrected and reference for arXiv:1207.2753 adde
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