Measurement of the total cross section for e(+)e(-)-> hadrons at root s=10.52 GeV
Using the CLEO detector at the Cornell Electron Storage Ring, we have made a measurement of R ≡ σ(e + e-→hadrons)/σ(e + e-→μ + μ -) = 3.56±0.01±0.07 at √s = 10.52 GeV. This implies a value for the strong coupling constant of αs(10.52 GeV) = 0.20±0.01 ±0.06, or αs(MZ) = 0.13±0.005±0.03....
Үндсэн зохиолчид: | , , , , , , , , , , , , , , , , , , , , , , , , |
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Формат: | Journal article |
Хэл сонгох: | English |
Хэвлэсэн: |
1998
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