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Measurement of three-jet distributions in photoproduction at HERA

Abstract:

The cross section for the photoproduction of events containing three jets with a three-jet invariant mass of M31 > 50 GeV has been measured with the ZEUS detector at HERA. The three-jet angular distributions are inconsistent with a uniform population of the available phase space but are well described by parton shower models and script O sign(α α2s) pQCD calculations. Comparisons with the parton shower model indicate a strong contribution from initial state radiation as well as a sensitivi...

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Journal:
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics More from this journal
Volume:
443
Issue:
1-4
Pages:
394-408
Publication date:
1998-12-10
ISSN:
0370-2693
Language:
English
Pubs id:
pubs:159734
UUID:
uuid:cbe77e7f-0977-4f79-9931-944f78c56e1b
Local pid:
pubs:159734
Source identifiers:
159734
Deposit date:
2012-12-19

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