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In this paper, we obtain the blow-up result of solutions and some general decay rates for a quasilinear parabolic equation with viscoelastic terms $$A(t)|u_{t}|^{m-2}u_{t}-\Delta u+\int_0^{t}g(t-s)\Delta u(x,s){\rm d}s=|u|^{p-2}u\log |u|.$$ Due to the presence of the log source term, it is not possible to …
cn (code pays fourni par la source)
Zhongfu Ye, Di Zhang, J Z Zhang
Abstract The sudden surface surcharge is a key disturbance that causes excess transverse deformation of the existing shield tunnel underneath. The light-disturbance grouting technique, which is applied on two sides of a tunnel spring-line, is an effective way to control or even …
cn (code pays fourni par la source)
М. Н. Ачасов, P. Adlarson, X. C. Ai, R. Aliberti et autres
We perform for the first time an amplitude analysis of the decay D^{+}→K_{S}^{0}π^{+}η and report the observation of the decay D^{+}→K_{S}^{0}a_{0}(980)^{+} using 2.93 fb^{-1} of e^{+}e^{-} collision data taken at a center-of-mass energy of 3.773 GeV with the BESIII detector. As the …
cn, ru, se, de, it, pl, mn, us, tr, kr, gb (code pays fourni par la source)
М. Н. Ачасов, P. Adlarson, X. Ai, R. Aliberti et autres
We present cross sections for the reaction e^{+}e^{-}→K_{S}^{0}K_{L}^{0} at center-of-mass energies ranging from 3.51 to 4.95 GeV using data samples collected in the BESIII experiment, corresponding to a total integrated luminosity of 26.5 fb^{-1}. The ratio of neutral-to-charged kaon form factors at …
cn, ru, se, de, it, pl, mn, us, tr, kr, gb (code pays fourni par la source)
М. Н. Ачасов, P. Adlarson, X. Ai, R. Aliberti et autres
Based on 4.4 fb^{-1} of e^{+}e^{-} annihilation data collected at the center-of-mass energies between 4.60 and 4.70 GeV with the BESIII detector at the BEPCII collider, the pure W-boson-exchange decay Λ_{c}^{+}→Ξ^{0}K^{+} is studied with a full angular analysis. The corresponding decay asymmetry …
cn, ru, se, de, it, pl, mn, us, tr, kr, gb (code pays fourni par la source)
М. Н. Ачасов, P. Adlarson, X. Ai, R. Aliberti et autres
We study the process ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}{\mathrm{\ensuremath{\Lambda}}}_{c}^{+}{\overline{\mathrm{\ensuremath{\Lambda}}}}_{c}^{\ensuremath{-}}$ at twelve center-of-mass energies from 4.6119 to 4.9509 GeV using data samples collected by the BESIII detector at the BEPCII collider. The Born cross sections and effective form factors ($|{G}_{\mathrm{eff}}|$) are determined with unprecedented precision after combining …
cn, ru, se, de, it, pl, mn, us, tr, kr, gb (code pays fourni par la source)
M Ablikim, М. Н. Ачасов, P. Adlarson, X. Ai et autres
The quantum entangled J/ψ→Σ^{+}Σ[over ¯]^{-} pairs from (1.0087±0.0044)×10^{10} J/ψ events taken by the BESIII detector are used to study the nonleptonic two-body weak decays Σ^{+}→nπ^{+} and Σ[over ¯]^{-}→n[over ¯]π^{-}. The CP-odd weak decay parameters of the decays Σ^{+}→nπ^{+} (α_{+}) and Σ[over ¯]^{-}→n[over …
cn, ru, se, de, it, pl, mn, us, tr, kr, gb (code pays fourni par la source)
М. Н. Ачасов, P. Adlarson, S. Ahmed, M. Albrecht et autres
Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron-Positron Collider II storage rings, the value of $R\ensuremath{\equiv}\ensuremath{\sigma}({e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}\text{hadrons})/\ensuremath{\sigma}({e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\mu}}^{+}{\ensuremath{\mu}}^{\ensuremath{-}})$ is measured at 14 center-of-mass energies from 2.2324 to 3.6710 GeV. The resulting uncertainties are less than 3.0% and …
cn, ru, se, de, it, mn, us, tr, gb (code pays fourni par la source)
М. Н. Ачасов, P. Adlarson, S. Ahmed, M. Albrecht et autres
Using $2.93\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ of ${e}^{+}{e}^{\ensuremath{-}}$ collision data taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first measurements of the absolute branching fractions of 14 hadronic ${D}^{0(+)}$ decays to exclusive final states with an $\ensuremath{\eta}$, …
cn, ru, se, de, it, in, mn, us, tr, gb (code pays fourni par la source)
М. Н. Ачасов, S. Ahmed, M. Albrecht, A. Amoroso et autres
Using a data sample corresponding to an integrated luminosity of $2.93\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ taken at a center-of-mass energy of 3.773 GeV with the BESIII detector operated at the BEPCII collider, we perform an analysis of the semileptonic decays ${D}^{0(+)}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{\ensuremath{-}(0)}{\ensuremath{\mu}}^{+}{\ensuremath{\nu}}_{\ensuremath{\mu}}$. The branching fractions …
cn, ru, de, it, us, tr, nl (code pays fourni par la source)
M. N. Achasov, Diego Alberto, D. Ambrose, F. F. An et autres
The mass and width of the lowest-lying $S$-wave spin singlet charmonium state, the ${\ensuremath{\eta}}_{c}$, are measured using a data sample of $1.06\ifmmode\times\else\texttimes\fi{}{10}^{8}$ $\ensuremath{\psi}(3686)$ decays collected with the BESIII detector at the BEPCII storage ring. We use a model that incorporates full interference …
cn (code pays fourni par la source)
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