Studying strangeness and baryon production mechanisms through angular correlations between charged [Xi] baryons and identified hadrons in pp collisions at √s = 13 TeV

The angular correlations between charged Ξ baryons and associated identified hadrons (pions, kaons, protons, Λ baryons, and Ξ baryons) are measured in pp collisions at $$ \sqrt{s} $$= 13 TeV with the ALICE detector to give insight into the particle production mechanisms and balancing of quantum numb...

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Hauptverfasser: Acharya, Shreyasi (VerfasserIn) , Angelov, Venelin (VerfasserIn) , Berdnikova, Anastasia (VerfasserIn) , Bergmann, Luisa (VerfasserIn) , Bórquez Cárcamo, Andrés G. (VerfasserIn) , Crkovská, Jana (VerfasserIn) , Danisch, Meike (VerfasserIn) , Feuillard, Victor (VerfasserIn) , Fokin, Ilya D. (VerfasserIn) , Glässel, Peter (VerfasserIn) , Grünwald, Nadine (VerfasserIn) , Nath, Abhishek (VerfasserIn) , Pachmayer, Yvonne C. (VerfasserIn) , Reygers, Klaus (VerfasserIn) , Schicker, Rainer (VerfasserIn) , Schlepper, Felix (VerfasserIn) , Seo, Jinjoo (VerfasserIn) , Skorodumovs, Georgijs (VerfasserIn) , Stachel, Johanna (VerfasserIn) , Stiefelmaier, Stephan (VerfasserIn) , Veen, Casper Arie van (VerfasserIn) , Völkl, Martin (VerfasserIn) , Windelband, Bernd (VerfasserIn) , Yüncü, Alperen (VerfasserIn) , Zanone, Federica (VerfasserIn)
Körperschaft: ALICE (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 18 September 2024
In: Journal of high energy physics
Year: 2024, Heft: 9, Pages: 1-41
ISSN:1029-8479
DOI:10.1007/JHEP09(2024)102
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP09(2024)102
Volltext
Verfasserangaben:The ALICE collaboration*

MARC

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246 3 3 |a Studying strangeness and baryon production mechanisms through angular correlations between charged [Xi] baryons and identified hadrons in proton-proton collisions at square root s = 13 TeV 
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520 |a The angular correlations between charged Ξ baryons and associated identified hadrons (pions, kaons, protons, Λ baryons, and Ξ baryons) are measured in pp collisions at $$ \sqrt{s} $$= 13 TeV with the ALICE detector to give insight into the particle production mechanisms and balancing of quantum numbers on the microscopic level. In particular, the distribution of strangeness is investigated in the correlations between the doubly-strange Ξ baryon and mesons and baryons that contain a single strange quark, K and Λ. As a reference, the results are compared to Ξπ and Ξp correlations, where the associated mesons and baryons do not contain a strange valence quark. These measurements are expected to be sensitive to whether strangeness is produced through string breaking or in a thermal production scenario. Furthermore, the multiplicity dependence of the correlation functions is measured to look for the turn-on of additional particle production mechanisms with event activity. The results are compared to predictions from the string-breaking model Pythia 8, including tunes with baryon junctions and rope hadronisation enabled, the cluster hadronisation model Herwig 7, and the core-corona model Epos-lhc. While some aspects of the experimental data are described quantitatively or qualitatively by the Monte Carlo models, no model can match all features of the data. These results provide stringent constraints on the strangeness and baryon number production mechanisms in pp collisions. 
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650 4 |a Experimental Nuclear Physics 
650 4 |a Experimental Particle Physics 
650 4 |a Hadron-Hadron Scattering 
650 4 |a Nuclear and Particle Physics 
650 4 |a Nuclear Physics 
650 4 |a Particle Correlations and Fluctuations 
650 4 |a Particle Physics 
650 4 |a Relativistic Heavy Ion Physics 
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