Matches in SemOpenAlex for { <https://semopenalex.org/work/W2110936395> ?p ?o ?g. }
- W2110936395 abstract "The cross section of the process ${e}^{+}{e}^{ensuremath{-}}ensuremath{rightarrow}{ensuremath{mu}}^{+}{ensuremath{mu}}^{ensuremath{-}}$ was measured in the spherical neutral detector experiment at the VEPP-2M ${e}^{+}{e}^{ensuremath{-}}$ collider in the energy region $sqrt{s}=980$, 1040--1380 MeV. The event numbers of the process ${e}^{+}{e}^{ensuremath{-}}ensuremath{rightarrow}{ensuremath{mu}}^{+}{ensuremath{mu}}^{ensuremath{-}}$ were normalized to the integrated luminosity measured using ${e}^{+}{e}^{ensuremath{-}}ensuremath{rightarrow}{e}^{+}{e}^{ensuremath{-}}$ and ${e}^{+}{e}^{ensuremath{-}}ensuremath{rightarrow}ensuremath{gamma}ensuremath{gamma}$ processes. The ratio of the measured cross section to the theoretically predicted value is $1.006ifmmodepmelsetextpmfi{}0.007ifmmodepmelsetextpmfi{}0.016$ and $1.005ifmmodepmelsetextpmfi{}0.007ifmmodepmelsetextpmfi{}0.018$ in the first and second case, respectively. Using results of the measurements, the electromagnetic running coupling constant $ensuremath{alpha}$ in the energy region $sqrt{s}=1040--1380text{ }text{ }mathrm{MeV}$ was obtained $⟨1/ensuremath{alpha}⟩=134.1ifmmodepmelsetextpmfi{}0.5ifmmodepmelsetextpmfi{}1.2$ and this is in agreement with theoretical expectation." @default.
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- W2110936395 date "2009-06-24" @default.
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- W2110936395 title "Study of the processe+e−→μ+μ−in the energy regions=980, 1040–1380 MeV" @default.
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- W2110936395 doi "https://doi.org/10.1103/physrevd.79.112012" @default.
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