Soft emissions and the equivalence of BFKL and CCFM final states | Zendy

Gavin P. Salam | Zendy

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Soft emissions and the equivalence of BFKL and CCFM final states

Author(s) -

Gavin P. Salam

Publication year - 1999

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/1999/03/009

Subject(s) - observable , equivalence (formal languages) , physics , logarithm , particle physics , state (computer science) , mathematics , pure mathematics , mathematical analysis , quantum mechanics , algorithm

This article demonstrates that the BFKL and CCFM equations, despite theirdifferent physical content, lead to equivalent results for any final-stateobservable at leading single-logarithmic order. A novel and fundamental elementis the treatment also of the soft (z->1 divergent) part of the splittingfunction in the CCFM equation.Comment: 18 pages, 7 figures. Version 2 contains a few extra sentences to emphasise that the equivalence applies to the predictions from the equation

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