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Measurement of the energy dependence of hadronic jet rates and the strong coupling alpha(s) from the four-jet rate with the DELPHI detector at LEP

Abstract:

Hadronic events from the data collected with the DELPHI detector at LEP within the energy range from 89 GeV to 209 GeV are selected, their jet rates are determined and compared to predictions of four different event generators. One of them is the recently developed APACIC++ generator which performs a massive matrix element calculation matched to a parton shower followed by string fragmentation. The four-jet rate is used to measure αs in the next-to-leading-order approximation yielding αs(M Z2...

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Publication status:
Published

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Publisher copy:
10.1140/epjc/s2004-02060-7

Authors


Abdallah, J More by this author
Albrecht, T More by this author
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Journal:
EUROPEAN PHYSICAL JOURNAL C
Volume:
38
Issue:
4
Pages:
413-426
Publication date:
2005-01-05
DOI:
EISSN:
1434-6052
ISSN:
1434-6044
URN:
uuid:ac805e4a-255f-4039-a707-bdb3279587a7
Source identifiers:
220971
Local pid:
pubs:220971
Language:
English

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