Extraction of kaon partonic distribution functions from Drell-Yan and J/ data
PHYSICS LETTERS B(2024)
Abstract
We present an analysis to extract kaon parton distribution functions (PDFs) using meson-induced Drell-Yan and quarkonium production data. Starting from the statistical model first developed for determining the partonic structure of spin-1/2 nucleon and later applied to the spin-0 pion, we have extended this approach to perform a global fit to existing kaon-induced Drell-Yan and J/psi production data. These data are well described by the statistical model, allowing an extraction of the kaon PDFs. We find that both the Drell-Yan and the J/psi data favor a harder valence distribution for strange quark than for up quark in kaon. The kaon gluon distribution is further constrained by the J/psi production data. In particular, the momentum fraction carried by gluons is found to be similar for pion and kaon.
MoreTranslated text
AI Read Science
Must-Reading Tree
Example
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined