Improved parton distributions from global analysis of recent deep inelastic scattering and inclusive jet data

被引：884

作者：

Lai, HL

Huston, J

Kuhlmann, S

Olness, F

Owens, J

Soper, D

Tung, WK

Weerts, H

机构：

[1] ARGONNE NATL LAB,ARGONNE,IL 60439

[2] SO METHODIST UNIV,DALLAS,TX 75275

[3] FLORIDA STATE UNIV,TALLAHASSEE,FL 32306

[4] UNIV OREGON,EUGENE,OR 97403

来源：

PHYSICAL REVIEW D | 1997年 / 55卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.55.1280

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The impact of recent precision measurements of DIS structure functions and inclusive jet production at the Fermilab Tevatron on the global QCD analysis of parton distribution functions is studied in detail. Particular emphasis is placed on exploring the range of variation of the gluon distribution G(x, Q) allowed by these new data. The strong coupling of G(x, Q) with alpha(s) is fully taken into account. A new generation of CTEQ parton distributions, CTEQ4, is presented. It consists of the three standard sets [modified minimal subtraction (<(MS)over bar>), deep inelastic scattering (DIS), and leading order (LO)], a series that gives a range of parton distributions with corresponding alpha(s)'s, and a set with a low starting value of Q. Previously obtained gluon distributions that are consistent with the high E(t) jet cross section are also discussed in the context of this new global analysis.

引用

页码：1280 / 1296

页数：17

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