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DETERMINATION OF ALPHA-S FROM THE SCALING VIOLATION IN THE FRAGMENTATION FUNCTIONS IN E+E- ANNIHILATION

Abstract:

A determination of the hadronic fragmentation functions of the Z0 boson is presented from a study of the inclusive hadron production with the DELPHI detector at LEP. These fragmentation functions were compared with the ones at lower energies, thus covering data in a large kinematic range: 196 ≤ Q2 ≤ 8312 GeV2 and x (= Ph Ebeam) > 0.08. A large scaling violation was observed, which was used to extract the strong coupling constant in second order QCD: αs(MZ) = 0.118 ± 0.005. The correspondin...

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Publication status:
Published

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Authors


ALEKSAN, R More by this author
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Journal:
PHYSICS LETTERS B
Volume:
311
Issue:
1-4
Pages:
408-424
Publication date:
1993-07-29
DOI:
ISSN:
0370-2693
URN:
uuid:ffabfff1-e746-46d2-b33f-3267bde21a52
Source identifiers:
10064
Local pid:
pubs:10064

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