Preprint/Report PUBDB-2015-02122

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Production of Exclusive Dijets in Diffractive Deep Inelastic Scattering at HERA

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2015

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Report No.: DESY-15-070; arXiv:1505.05783

Abstract: Production of exclusive dijets in diffractive deep inelastic $e^\pm p$ scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 372 pb$^{-1}$. The measurement was performed for $\gamma^*-p$ centre-of-mass energies in the range $90 < W < 250$ GeV and for photon virtualities $Q^2 > 25$ GeV$^2$. Energy and transverse-energy flows around the jet axis are presented. The cross section is presented as a function of $\beta$ and $\phi$, where $\beta=x/x_{\rm I\!P}$, $x$ is the Bjorken variable and $x_{\rm I\!P}$ is the proton fractional longitudinal momentum loss. The angle $\phi$ is defined by the $\gamma^*-$dijet plane and the $\gamma^*-e^\pm$ plane in the rest frame of the diffractive final state. The $\phi$ cross section is measured in bins of $\beta$. The results are compared to predictions from models based on different assumptions about the nature of the diffractive exchange.


Note: OA

Contributing Institute(s):
  1. ZEUS Kollaboration (ZEUS)
Research Program(s):
  1. 611 - Fundamental Particles and Forces (POF3-611) (POF3-611)
Experiment(s):
  1. HERA: ZEUS

Appears in the scientific report 2015
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OpenAccess ; Published
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http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Journal Article/Internal Report  ;  ;  ; et al
Production of exclusive dijets in diffractive deep inelastic scattering at HERA
The European physical journal / C 76(1), 16 () [10.1140/epjc/s10052-015-3849-z]  GO OpenAccess  Download fulltext Files  Download fulltextFulltext Download fulltextFulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS


 Record created 2015-05-28, last modified 2021-11-10


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