Journal article
The measurement of alpha(8) from event shapes with the DELPHI detector at the highest LEP energies
- Abstract:
- Hadronic event shape distributions are determined from data in e +e- collisions between 183 and 207 GeV. From these the strong coupling αs is extracted in O(αs2), NLLA and matched O(αs2)+NLLA theory. Hadronisation corrections evaluated with fragmentation model generators as well as an analytical power ansatz are applied. Comparing these measurements to those obtained at and around Mz allows a combined measurement of αs from all DELPHI data and a test of the energy dependence of the strong coupling. © Springer-Verlag / Società Italiana di Fisica 2004.
- Publication status:
- Published
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- Publisher copy:
- 10.1140/epjc/s2004-01889-x
Authors
- Journal:
- EUROPEAN PHYSICAL JOURNAL C More from this journal
- Volume:
- 37
- Issue:
- 1
- Pages:
- 1-23
- Publication date:
- 2004-09-01
- DOI:
- EISSN:
-
1434-6052
- ISSN:
-
1434-6044
- Language:
-
English
- Pubs id:
-
pubs:220964
- UUID:
-
uuid:f7232d10-1866-495a-b019-7cc9bdf5ba7c
- Local pid:
-
pubs:220964
- Source identifiers:
-
220964
- Deposit date:
-
2012-12-19
- ARK identifier:
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- Copyright date:
- 2004
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