| Issue |
EPJ Web of Conferences
Volume 73, 2014
MENU 2013 – 13th International Conference Meson-Nucleon Physics and the Structure of the Nucleon
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|
|---|---|---|
| Article Number | 02003 | |
| Number of page(s) | 3 | |
| Section | Nucleon Structure | |
| DOI | https://doi.org/10.1051/epjconf/20147302003 | |
| Published online | 09 June 2014 | |
https://doi.org/10.1051/epjconf/20147302003
Charged hadron lepto-production off unpolarized protons and deuterons at HERMES
Alikhanyan National Science Laboratory, Yerevan, Armenia
a e-mail: gevkar@mail.desy.de
Published online: 9 June 2014
The HERMES collaboration has measured charge-separated pion and kaon multiplicities in semi-inclusive deep-inelastic scattering using a 27.6 GeV electron or positron beam scattering off a hydrogen or deuterium target. The results are presented as functions of the Bjorken variable xB, the negative squared four-momentum transfer Q2, a hadron fractional energy z and the hadron's transverse momentum. These data will be very useful to understand the quark-fragmentation process in deep-inelastic hadron electro-production and will serve as crucial input in the understanding of charge and flavour separated fragmentation functions. Furthermore, it provides important information on the transverse-momentum dependence of hadron production.
© Owned by the authors, published by EDP Sciences, 2014
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