Fragmentation inside an identified jet


Using Soft-Collinear Effective Theory (SCET) we derive factorization formulae for semi-inclusive processes where a light hadron h fragments from a jet whose invariant mass is measured. Our analysis yields a novel “fragmenting jet function” G h i (s,z) that depends on the jet invariant mass √ s, and on the fraction z of the large light-cone momentum… (More)


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