Studying strangeness and baryon production mechanisms through angular correlations between charged Ξ baryons and identified hadrons in pp collisions at √s = 13 TeV
The ALICE collaboration. (2024). Studying strangeness and baryon production mechanisms through angular correlations between charged Ξ baryons and identified hadrons in pp collisions at √s = 13 TeV. Journal of High Energy Physics, 2024, Article 102. https://doi.org/10.1007/JHEP09(2024)102
Julkaistu sarjassa
Journal of High Energy PhysicsTekijät
Päivämäärä
2024Tekijänoikeudet
© Copyright CERN,
for the beneft of the ALICE Collaboration.
Article funded by SCOAP3
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 √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.
...
Julkaisija
Springer NatureISSN Hae Julkaisufoorumista
1126-6708Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/243286533
Metadata
Näytä kaikki kuvailutiedotKokoelmat
Rahoittaja(t)
Suomen AkatemiaRahoitusohjelmat(t)
Huippuyksikkörahoitus, SALisätietoja rahoituksesta
Academy of Finland (Center of Excellence in Quark Matter) (grant nos. 346327, 346328), Finland.Lisenssi
Samankaltainen aineisto
Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.
-
Investigating strangeness enhancement with multiplicity in pp collisions using angular correlations
The ALICE collaboration (Springer Nature, 2024)A study of strange hadron production associated with hard scattering processes and with the underlying event is conducted to investigate the origin of the enhanced production of strange hadrons in small collision systems ... -
Anisotropic flow and flow fluctuations of identified hadrons in Pb–Pb collisions at √sNN = 5.02 TeV
ALICE Collaboration (Springer Science and Business Media LLC, 2023) -
Insight into particle production mechanisms via angular correlations of identified particles in pp collisions at √s = 7 TeV
ALICE Collaboration (Springer, 2017)Two-particle angular correlations were measured in pp collisions at s√=7 TeV for pions, kaons, protons, and lambdas, for all particle/anti-particle combinations in the pair. Data for mesons exhibit an expected peak dominated ... -
Production of K0S, Λ (Λ¯), Ξ±, and Ω± in jets and in the underlying event in pp and p–Pb collisions
ALICE Collaboration (Springer, 2023)The production of strange hadrons (K0SKS0, Λ, Ξ±, and Ω±), baryon-to-meson ratios (Λ/K0SKS0, Ξ/K0SKS0, and Ω/K0SKS0), and baryon-to-baryon ratios (Ξ/Λ, Ω/Λ, and Ω/Ξ) associated with jets and the underlying event were ... -
Study of flavor dependence of the baryon-to-meson ratio in proton-proton collisions at √ s = 13 TeV
ALICE Collaboration (American Physical Society (APS), 2023)The production cross sections of D0 and Λ+c hadrons originating from beauty-hadron decays (i.e., nonprompt) were measured for the first time at midrapidity (|y|<0.5) by the ALICE Collaboration in proton-proton collisions ...
Ellei toisin mainittu, julkisesti saatavilla olevia JYX-metatietoja (poislukien tiivistelmät) saa vapaasti uudelleenkäyttää CC0-lisenssillä.