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期刊名称: Physics Letters B
Volume:531    Issue:3-4        Page:216-224
ISSN:0370-2693

NNLO global parton analysis期刊论文

作者: Martin A.D Roberts R.G Stirling W.J Thorne R.S
DOI:10.1016/S0370-2693(02)01483-1

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页码: 216-224
被引频次: 341
出版者: Elsevier B.V,ELSEVIER SCIENCE BV
期刊名称: Physics Letters B
ISSN: 0370-2693
卷期: Volume:531    Issue:3-4
语言: English
摘要: We perform a NNLO (and a LO) global parton analysis in which we include the new precise data for deep inelastic scattering from HERA and for inclusive jet production at the Tevatron, together with the improved knowledge of the three-loop splitting functions. The results are compared with our recent NLO analyses. The LO fit produces significantly worse results in general, but gives a surprisingly good fit to the Tevatron high-E jet data. For the approximate NNLO analysis we notice a slight improvement in the quality of the global fit, and find that the partons are changed by up to 10% at Q = 10 GeV , in particular in the x < 0.01 regime. © 2002 Elsevier Science B.V. All rights reserved.
相关主题: 2-LOOP QCD CORRECTIONS, CURRENT CROSS-SECTIONS, PHYSICS, NUCLEAR, DEEP-INELASTIC SCATTERING, SMALL-X, P(P)OVER-BAR COLLISIONS, HIGH-ENERGY FACTORIZATION, HEAVY FLAVOR PRODUCTION, JET PRODUCTION, ASTRONOMY & ASTROPHYSICS, DEUTERON STRUCTURE FUNCTIONS, TO-LEADING ORDER, PHYSICS, PARTICLES & FIELDS,

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