Journal Article/Internal Report

PUBDB-2015-01144

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The Hadronic Final State at HERA

Newman, P. R. (Corresponding Author)>Extern* ; Wing, M.

2014
APS College Park, Md.

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Please use a persistent id in citations: doi:10.1103/RevModPhys.86.1037

Report No.: arXiv:1308.3368

Abstract: The hadronic final state in electron-proton collisions at HERA has provided a rich testing ground for development of the theory of the strong force, QCD. In this review, over 200 publications from the H1 and ZEUS Collaborations are summarized. Short distance physics, the measurement of processes at high-energy scales, has provided rigorous tests of perturbative QCD and constrained the structure of the proton as well as allowing precise determinations of the strong coupling constant to be made. Nonperturbative or low-energy processes have also been investigated and results on hadronization interpreted together with those from other experiments. Searches for exotic QCD objects, such as pentaquarks, glueballs, and instantons, have been performed. The subject of diffraction has been reinvigorated through its precise measurement, such that it can now be described by perturbative QCD. After discussion of HERA, the H1 and ZEUS detectors, and the techniques used to reconstruct differing hadronic final states, the above subject areas are elaborated on. The major achievements are then condensed further in a final section summarizing what has been learned.

Keyword(s): final state: hadronic ; quantum chromodynamics: perturbation theory ; strong interaction: coupling constant ; DESY HERA Stor ; ZEUS ; effect: nonperturbative ; hadronization ; diffraction ; pentaquark ; electron p: scattering ; instanton ; glueball ; review ; experimental results ; H1 ; jet ; hadron spectroscopy ; energy dependence ; pomeron ; deeply virtual Compton scattering ; small-x

Note: OA

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Contributing Institute(s):

1. ZEUS Kollaboration (ZEUS)
2. H1 Kollaboration (H1)

Research Program(s):

1. Experiments at HERA (H1) (POF2-511) (POF2-511)
2. Experiments at HERA (ZEUS) (POF2-511) (POF2-511)

Experiment(s):

1. HERA: H1
2. HERA: ZEUS

Appears in the scientific report 2014

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Database coverage:
; ; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 40 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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