Inclusive and diffractive dijet photoproduction in UPCs at the LHC in NLO QCD

被引：0

作者：

Guzey, Vadim ^{[1
,2
,3
]}

Klasen, Michael ^{[4
]}

机构：

[1] Petersburg Nucl Phys Inst PNPI, Natl Res Ctr Kurchatov Inst, Gatchina 188300, Russia

[2] Univ Jyvaskyla, Dept Phys, POB 35, Jyvaskyla 40014, Finland

[3] Helsinki Inst Phys, POB 64, Helsinki 00014, Finland

[4] Westfal Wilhelms Univ Munster, Inst Theoret Phys, Wilhelm Klemm Str 9, D-48149 Munster, Germany

来源：

EUROPEAN PHYSICAL SOCIETY CONFERENCE ON HIGH ENERGY PHYSICS, EPS-HEP2019 | 2020年

关键词：

FACTORIZATION BREAKING;

D O I：

暂无

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We present a next-to-leading order QCD calculation of inclusive dijet photoproduction in ultra-peripheral Pb-Pb collisions at the LHC and show that the results agree very well with various kinematic distributions measured by the ATLAS collaboration. The effect of including these data in nCTEQ or EPPS16 nuclear parton density functions (nPDFs) is then studied using the Bayesian reweighting technique. For an assumed total error of 5% on the final data, its inclusion would lead to a significant reduction of the nPDF uncertainties of up to a factor of two at small values of the parton momentum fraction. As an outlook, we discuss future analyes of diffractive nPDFs, which are so far completely unknown.

引用

页数：8

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