Experimental Tests of Asymptotic Freedom

  title={Experimental Tests of Asymptotic Freedom},
  author={Siegfried Bethke},
Measurements which probe the energy dependence of αs, the coupling strength of the strong interaction, are reviewed. Jet counting in ee annihilation, combining results obtained in the centre of mass energy range from 22 to 133 GeV, provides direct evidence for an asymptotically free coupling, without the need to determine explicit values of αs. Recent results from jet production in e p and in p p collisions, obtained in single experiments spanning large ranges of momentum transfer, Q, are in… CONTINUE READING


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