Article detail · 2022
Measurement of Prompt D0 , Λc+ , and Σc0,++(2455) Production in Proton-Proton Collisions at s=13 TeV
Journal
American Physical Society (APS)ISSN 0031-9007
The ISSN points to another catalog journal; the name is from the YÖKSİS record.
- Year
- 2022
- Type
- article
Data source split
- YÖKSİS YÖKSİS article record
- YÖKSİS venue American Physical Society (APS)
- Catalog match (ISSN) Physical Review Letters
- OpenAlex OpenAlex enrichment (abstract, citations, topics)
Abstract
OpenAlex · lv
The ${p}_{T}$-differential production cross sections of prompt ${D}^{0}$, ${\mathrm{\ensuremath{\Lambda}}}_{c}^{+}$, and ${\mathrm{\ensuremath{\Sigma}}}_{c}^{0,++}(2455)$ charmed hadrons are measured at midrapidity ($|y|<0.5$) in $pp$ collisions at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$. This is the first measurement of ${\mathrm{\ensuremath{\Sigma}}}_{c}^{0,++}$ production in hadronic collisions. Assuming the same production yield for the three ${\mathrm{\ensuremath{\Sigma}}}_{c}^{0,+,++}$ isospin states, the baryon-to-meson cross section ratios ${\mathrm{\ensuremath{\Sigma}}}_{c}^{0,+,++}/{D}^{0}$ and ${\mathrm{\ensuremath{\Lambda}}}_{c}^{+}/{D}^{0}$ are calculated in the transverse momentum (${p}_{T}$) intervals $2<{p}_{T}<12$ and $1<{p}_{T}<24\text{ }\mathrm{GeV}/c$. Values significantly larger than in ${e}^{+}{e}^{\ensuremath{-}}$ collisions are observed, indicating for the first time that baryon enhancement in hadronic collisions also extends to the ${\mathrm{\ensuremath{\Sigma}}}_{c}$. The feed-down contribution to ${\mathrm{\ensuremath{\Lambda}}}_{c}^{+}$ production from ${\mathrm{\ensuremath{\Sigma}}}_{c}^{0,+,++}$ is also reported and is found to be larger than in ${e}^{+}{e}^{\ensuremath{-}}$ collisions. The data are compared with predictions from event generators and other phenomenological models, providing a sensitive test of the different charm-hadronization mechanisms implemented in the models.
Topics
Citations
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49 citations
OpenAlex cited_by_count (cache / database)
25 publications in the local catalog that cite this work (OpenAlex reference match; not the full global list).
- The ALICE experiment: a journey through QCD 2024
- The ALICE experiment: a journey through QCD 2024
- Observation of a multiplicity dependence in the pT-differential charm baryon-to-meson ratios in proton–proton collisions at s=13 TeV 2022
- Observation of a multiplicity dependence in the pT-differential charm baryon-to-meson ratios in proton–proton collisions at s=13 TeV 2022
- First measurement of Λc+ production down to pT=0 in pp and p-Pb collisions at sNN=5.02 TeV 2023
- First measurement of Λc+ production down to pT=0 in pp and p -Pb collisions at sNN=5.02 TeV 2023
- CMS pythia 8 colour reconnection tunes based on underlying-event data 2023
- CMS pythia 8 colour reconnection tunes based on underlying-event data 2023
- CMS pythia 8 colour reconnection tunes based on underlying-event data 2023
- Study of flavor dependence of the baryon-to-meson ratio in proton-proton collisions at s=13 TeV 2023