Quark-antiquark exchange in γ*γ* scattering

Jochen Bartels; Michael Lublinsky

doi:10.1088/1126-6708/2003/09/076

Quark-antiquark exchange in γγ scattering

Jochen Bartels
, Michael Lublinsky

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We calculate the high energy behavior of quark-antiquark exchange in γ*γ* elastic scattering by summing, to all orders, the leading double logarithmic contributions of the QCD ladder diagrams. Motivation comes from the LEP data for σ_tot ^γ*γ* which indicate the need for secondary reggeon exchange. We show that, for large photon virtualities, this exchange is calculable in pQCD. This applies, in particular, to parts of the LEP kinematic region.

Original language	English
Article number	076
Journal	Journal of High Energy Physics
Volume	7
Issue number	9
DOIs	https://doi.org/10.1088/1126-6708/2003/09/076
State	Published - 1 Sep 2003
Externally published	Yes

Keywords

NLO Computations
QCD

ASJC Scopus subject areas

Nuclear and High Energy Physics

Access to Document

10.1088/1126-6708/2003/09/076

Cite this

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title = "Quark-antiquark exchange in γ*γ* scattering",

abstract = "We calculate the high energy behavior of quark-antiquark exchange in γ*γ* elastic scattering by summing, to all orders, the leading double logarithmic contributions of the QCD ladder diagrams. Motivation comes from the LEP data for σtot γ*γ* which indicate the need for secondary reggeon exchange. We show that, for large photon virtualities, this exchange is calculable in pQCD. This applies, in particular, to parts of the LEP kinematic region.",

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AU - Lublinsky, Michael

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N2 - We calculate the high energy behavior of quark-antiquark exchange in γ*γ* elastic scattering by summing, to all orders, the leading double logarithmic contributions of the QCD ladder diagrams. Motivation comes from the LEP data for σtot γ*γ* which indicate the need for secondary reggeon exchange. We show that, for large photon virtualities, this exchange is calculable in pQCD. This applies, in particular, to parts of the LEP kinematic region.

AB - We calculate the high energy behavior of quark-antiquark exchange in γ*γ* elastic scattering by summing, to all orders, the leading double logarithmic contributions of the QCD ladder diagrams. Motivation comes from the LEP data for σtot γ*γ* which indicate the need for secondary reggeon exchange. We show that, for large photon virtualities, this exchange is calculable in pQCD. This applies, in particular, to parts of the LEP kinematic region.

KW - NLO Computations

KW - QCD

UR - https://www.scopus.com/pages/publications/23144454273

U2 - 10.1088/1126-6708/2003/09/076

DO - 10.1088/1126-6708/2003/09/076

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JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

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