دورية أكاديمية
Transverse momentum and multiplicity dependence of $$\varLambda _{c}^{+}/D^{0}$$ Λ c + / D 0 ratio in pp collisions at $$\sqrt{s}=13$$ s = 13 TeV
| العنوان: | Transverse momentum and multiplicity dependence of $$\varLambda _{c}^{+}/D^{0}$$ Λ c + / D 0 ratio in pp collisions at $$\sqrt{s}=13$$ s = 13 TeV |
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| المؤلفون: | Jun Song, Hai-hong Li, Feng-lan Shao |
| المصدر: | European Physical Journal C: Particles and Fields, Vol 83, Iss 9, Pp 1-14 (2023) |
| بيانات النشر: | SpringerOpen, 2023. |
| سنة النشر: | 2023 |
| المجموعة: | LCC:Astrophysics LCC:Nuclear and particle physics. Atomic energy. Radioactivity |
| مصطلحات موضوعية: | Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798 |
| الوصف: | Abstract We apply an equal-velocity quark combination model to study the $$\varLambda _{c}^{+}/D^{0}$$ Λ c + / D 0 ratio in the range $$p_{T}\lesssim 10$$ p T ≲ 10 GeV/c in pp collisions at $$\sqrt{s}=13$$ s = 13 TeV. We decompose the ratio into four parts which are related to quark numbers, light-flavor quark $$p_{T}$$ p T spectrum, charm quark $$p_{T}$$ p T spectrum, momentum correlation between light and charm quarks, respectively. Their influence on $$\varLambda _{c}^{+}/D^{0}$$ Λ c + / D 0 ratio is individually studied. The curvature property of light-flavor quark $$p_{T}$$ p T spectrum is the main reason of the non-monotonic $$p_{T}$$ p T dependence of $$\varLambda _{c}^{+}/D^{0}$$ Λ c + / D 0 ratio exhibited in high multiplicity events. Moreover, the multiplicity dependence of $$\varLambda _{c}^{+}/D^{0}$$ Λ c + / D 0 ratio as the function of $$p_{T}$$ p T is mainly because of the multiplicity dependence of light-flavor quark $$p_{T}$$ p T spectrum. Using the light-flavor quark $$p_{T}$$ p T spectrum obtained from experimental data of light-flavor hadrons and charm quark $$p_{T}$$ p T spectrum obtained from FONLL and/or PYTHIA calculations, the $$p_{T}$$ p T dependence of experimental data of $$\varLambda _{c}^{+}/D^{0}$$ Λ c + / D 0 ratio in high multiplicity events and that in low multiplicity events in pp collisions at $$\sqrt{s}=13$$ s = 13 TeV are reasonably understood. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1434-6052 |
| Relation: | https://doaj.org/toc/1434-6052 |
| DOI: | 10.1140/epjc/s10052-023-12007-7 |
| URL الوصول: | https://doaj.org/article/b47a7e961b554d9fb3555d57fd9edff3 |
| رقم الأكسشن: | edsdoj.b47a7e961b554d9fb3555d57fd9edff3 |
| قاعدة البيانات: | Directory of Open Access Journals |
Find this article in full text from Springer Verlag. 
Full Text Finder | تدمد: | 14346052 |
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| DOI: | 10.1140/epjc/s10052-023-12007-7 |