Question: LEP 2 was designed to study the process e + e - W + W - . If the cross-section at s = 200

LEP 2 was designed to study the process e+e- → W+W-. If the cross-section at √s = 200 GeV is σ = 17 pb and the luminosity is L = 1032 cm-2s-1, find the number of events produced per day.

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