Parton Distributions for Event Generators

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Title:	Parton Distributions for Event Generators
Authors:	Hung-Liang Lai 賴宏亮 Joey Huston Stephen Mrenna Pavel Nadolsky Daniel Stump Wu-Ki Tung C.-P. Yuan
Contributors:	台北市立教育大學應用物理暨化學系
Date:	2010-04
Issue Date:	2012-06-28 13:11:51 (UTC+8)
Abstract:	In this paper, conventional Global QCD analysis is generalized to produce parton distributions optimized for use with event generators at the LHC. This optimization is accomplished by combining the constraints due to existing hard-scattering experimental data with those from anticipated cross sections for key representative SM processes at LHC (by the best available theory) as joint input to the global analyses. The PDFs obtained in these new type of global analyses using matrix elements calculated in any given order will be best suited to work with event generators of that order, for predictions at the LHC. This is most useful for LO event generators at present. Results obtained from a few candidate PDF sets (labeled as CT09MCS, CT09MC1 and CT09MC2) for LO event generators produced in this way are compared with those from other approaches.
Relation:	Journal of High Energy Physics
Appears in Collections:	[Department of Applied Physics and Chemistry] Periodical Articles

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