PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Strong Interactions and Hadron Physics
Probing the strange content of the proton via charm production in charged-current deep inelastic scattering at HERA
J. Nam* on behalf of the ZEUS Collaboration
*corresponding author
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Published on: August 02, 2019
Abstract
This paper presents a preliminary result of measurement of charm production in charged current deep inelastic scattering (CCDIS) at HERA. The analysis was performed with all data sample taken during HERA II data-taking period, which corresponds to $e^{+}p$ and $e^{-}p$ collisions with a center-of-mass energy of $\sqrt{s} = 318 $ GeV with an integrated luminosity of 358 pb$^{-1}$. The charm cross sections for each lepton beam type are measured within a kinematic region $200 < Q^2 < 60000$ GeV$^2$, $y < 0.9$, $E_{T}^{jet} > 5$ GeV and $−2.5 < \eta^{jet} < 2.5$, which can be extrapolated to the full phase space region. Charmed secondary interaction vertices were tagged by a lifetime-based method, which uses the decay lengths of secondary vertices to distinguish charmed events from light-flavoured events. Presented here are the preliminary results of visible charm cross sections in CCDIS as functions of $Q^2$.
DOI: https://doi.org/10.22323/1.340.0102
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