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Multiplicity dependence of K*(892)0 and φ(1020) production in pp collisions at √s = 13 TeV

Acharya S.
•
Adamova D.
•
Adler A.
altro
Zurlo N.
2020
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
The striking similarities that have been observed between high-multiplicity proton-proton (pp) collisions and heavy-ion collisions can be explored through multiplicity-differential measurements of identified hadrons in pp collisions. With these measurements, it is possible to study mechanisms such as collective flow that determine the shapes of hadron transverse momentum (pT) spectra, to search for possible modifications of the yields of short-lived hadronic resonances due to scattering effects in an extended hadron-gas phase, and to investigate different explanations provided by phenomenological models for enhancement of strangeness production with increasing multiplicity. In this paper, these topics are addressed through measurements of the K⁎(892)0 and φ(1020) mesons at midrapidity in pp collisions at s= 13 TeV as a function of the charged-particle multiplicity. The results include the pT spectra, pT-integrated yields, mean transverse momenta, and the ratios of the yields of these resonances to those of longer-lived hadrons. Comparisons with results from other collision systems and energies, as well as predictions from phenomenological models, are also discussed.
DOI
10.1016/j.physletb.2020.135501
WOS
WOS:000571765700003
Archivio
http://hdl.handle.net/11368/2979548
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85087311412
https://www.sciencedirect.com/science/article/pii/S0370269320303051?via=ihub
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/2979548/1/PLB_807(2020)135501_1-15.pdf
Soggetti
  • Hadron

  • hadron reaction

Scopus© citazioni
12
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
24
Data di acquisizione
Mar 26, 2024
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