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Title
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Color coherence in multi-jet final states
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Author
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Abstract
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| We discuss coherent QCD radiation front space-like parton branching and its effects on multi-jet final states at high-energy hadron colliders. Coherence effects for small longitudinal momentum fractions x are not included in the branching algorithms of standard shower Monte Carlo event; generators. On the other hand, they are taken into account only partially in perturbative next-to-leading-order calculations for multi-jets. Such effects are present to all orders in alpha(s) and can become logarithmically enhanced with root s/E-T, where E-T is the hardest jet transverse energy. We present results of summing coherence effects to all orders by parton-branching Monte Carlo methods based on transverse-momentum dependent matrix elements. |
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Language
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English
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Source (journal)
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Nuclear physics: B : proceedings supplements. - Amsterdam, 1987 - 2014
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Source (book)
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14th International Conference on Quantum Chromodynamics, JUL, 2008, Montpellier, FRANCE
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Publication
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Amsterdam
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Elsevier science bv
,
2009
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ISSN
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0920-5632
[print]
1873-3832
[online]
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DOI
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10.1016/J.NUCLPHYSBPS.2008.12.008
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Volume/pages
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186
(2009)
, p. 35-38
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ISI
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000265568000009
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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