PDF4LHC recommendations for LHC Run II

被引：991

作者：

Butterworth, Jon ^{[1
]}

Carrazza, Stefano ^{[2
,3
]}

Cooper-Sarkar, Amanda ^{[4
]}

De Roeck, Albert ^{[5
,6
]}

Feltesse, Joel ^{[7
]}

Forte, Stefano ^{[2
,3
]}

Gao, Jun ^{[8
]}

Glazov, Sasha ^{[9
]}

Huston, Joey ^{[10
]}

Kassabov, Zahari ^{[2
,3
,11
,12
]}

McNulty, Ronan ^{[13
]}

Morsch, Andreas ^{[5
]}

Nadolsky, Pavel ^{[14
]}

Radescu, Voica ^{[15
]}

Rojo, Juan ^{[16
]}

Thorne, Robert ^{[1
]}

机构：

[1] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England

[2] Univ Milan, TIF Lab, Dipartimento Fis, Via Celoria 16, I-20133 Milan, Italy

[3] Ist Nazl Fis Nucl, Sez Milano, Via Celoria 16, I-20133 Milan, Italy

[4] Univ Oxford, Dept Phys, Particle Phys, 1 Keble Rd, Oxford OX1 3NP, England

[5] CERN, PH Dept, CH-1211 Geneva 23, Switzerland

[6] Univ Antwerp, B-2610 Antwerp, Belgium

[7] CEA, DSM IRFU, CE Saclay, Gif Sur Yvette, France

[8] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

[9] DESY, Notkestr 85, D-22607 Hamburg, Germany

[10] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[11] Univ Turin, Dipartimento Fis, Via Pietro Giuria 1, I-10125 Turin, Italy

[12] Ist Nazl Fis Nucl, Sez Torino, Via Pietro Giuria 1, I-10125 Turin, Italy

[13] Natl Univ Ireland Univ Coll Dublin, Sci Ctr North, Sch Phys, UCD Belfeld, Dublin 4, Ireland

[14] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA

[15] Heidelberg Univ, Inst Phys, Philosophenweg 12, Heidelberg, Germany

[16] Univ Oxford, Rudolf Peierls Ctr Theoret Phys, 1 Keble Rd, Oxford OX1 3NP, England

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2016年 / 43卷 / 02期

基金：

英国科学技术设施理事会; 欧洲研究理事会;

关键词：

parton distribution functions; LHC phenomenology; Higgs physics; PARTON DISTRIBUTION-FUNCTIONS; STRONG-COUPLING CONSTANT; DIFFERENTIAL CROSS-SECTION; DEEP-INELASTIC SCATTERING; CHARM-QUARK MASS; PP COLLISIONS; ROOT-S=7 TEV; QCD ANALYSIS; DISTRIBUTIONS; PDF;

D O I：

10.1088/0954-3899/43/2/023001

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We provide an updated recommendation for the usage of sets of parton distribution functions (PDFs) and the assessment of PDF and PDF+alpha(s) uncertainties suitable for applications at the LHC Run II. We review developments since the previous PDF4LHC recommendation, and discuss and compare the new generation of PDFs, which include substantial information from experimental data from the Run I of the LHC. We then propose a new prescription for the combination of a suitable subset of the available PDF sets, which is presented in terms of a single combined PDF set. We finally discuss tools which allow for the delivery of this combined set in terms of optimized sets of Hessian eigenvectors or Monte Carlo replicas, and their usage, and provide some examples of their application to LHC phenomenology. This paper is dedicated to the memory of Guido Altarelli (1941-2015), whose seminal work made possible the quantitative study of PDFs.

引用

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