Observation of strangeness enhancement with charmed mesons in high-multiplicity 𝑝Pb collisions at √𝑠NN =8.16 TeV
The production of prompt 𝐷+𝑠 and 𝐷+ mesons is measured by the LHCb experiment in proton-lead (𝑝Pb) collisions in both the forward (1.5 <𝑦* <4.0) and backward (−5.0 <𝑦* <−2.5) rapidity regions at a nucleon-nucleon center-of-mass energy of √𝑠NN=8.16 TeV. The nuclear modification factors o...
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2024
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| In: |
Physical review
Year: 2024, Jahrgang: 110, Heft: 3, Pages: 1-14 |
| ISSN: | 2470-0029 |
| DOI: | 10.1103/PhysRevD.110.L031105 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.110.L031105 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.110.L031105 
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| Verfasserangaben: | R. Aaij et al. (LHCb Collaboration*) |
MARC
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| 110 | 2 | |a LHCb Collaboration |e VerfasserIn |0 (DE-588)1166245764 |0 (DE-627)1030265593 |0 (DE-576)510686508 |4 aut | |
| 245 | 1 | 0 | |a Observation of strangeness enhancement with charmed mesons in high-multiplicity Pb collisions at √NN =8.16 TeV |c R. Aaij et al. (LHCb Collaboration*) |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Observation of strangeness enhancement with charmed mesons in high-multiplicity Pb collisions at square root sNN = 8.16 TeV |
| 264 | 1 | |c 2024 | |
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| 500 | |a Veröffentlicht: 22. August 2024 | ||
| 500 | |a Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol | ||
| 500 | |a *LHCb Collaboration: R. Aaij, S. Bachmann, L. Carus, R. Caspary, C. Cocha Toapaxi, M. De Cian, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, C. Langenbruch, B. Leverington, J. Marks, M.P. Morgenthaler, S.R. Roy, G. Tuci, L.H. Uecker, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, Y. Zhao, A. Zhelezov [und 1076 weitere Personen] | ||
| 500 | |a Gesehen am 25.06.2025 | ||
| 520 | |a The production of prompt + and + mesons is measured by the LHCb experiment in proton-lead (Pb) collisions in both the forward (1.5 <* <4.0) and backward (−5.0 <* <−2.5) rapidity regions at a nucleon-nucleon center-of-mass energy of √NN=8.16 TeV. The nuclear modification factors of both + and + mesons are determined as a function of transverse momentum, T, and rapidity. In addition, the + to + cross section ratio is measured as a function of the primary charged particle multiplicity in the event. An enhanced + to + production in high-multiplicity events is observed for the whole measured T range, in particular at low T and backward rapidity, where the significance exceeds six standard deviations. This constitutes the first observation of strangeness enhancement in charm quark hadronization in high-multiplicity Pb collisions. The results are also qualitatively consistent with the presence of quark coalescence as an additional charm quark hadronization mechanism in high-multiplicity proton-lead collisions. | ||
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