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Measuring KS0-K± interactions using Pb-Pb collisions at √sNN = 2.76 TeV

Acharya, S.
•
Adamová, D.
•
Adolfsson, J.
altro
Zou, S.
2017
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
We present the first ever measurements of femtoscopic correlations between the K0 and K± particles. The analysis was performed on the data from Pb–Pb collisions at √sNN = 2.76 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding via the a0(980) resonance. The extracted kaon source radius and correlation strength parameters for K0S K− are found to be equal within the experimental uncertainties to those for K0 K+ . Comparing the results of the present study with those from published identical-kaon femtoscopic studies by ALICE, mass and coupling parameters for the a0 resonance are tested. Our results are also compatible with the interpretation of the a0 having a tetraquark structure instead of that of a diquark.
DOI
10.1016/j.physletb.2017.09.009
WOS
WOS:000414973200011
Archivio
http://hdl.handle.net/11368/2916126
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85033725022
https://www.sciencedirect.com/science/article/pii/S0370269317307074
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/3.0/it/
FVG url
https://arts.units.it/bitstream/11368/2916126/1/PLB_774(2017)64-77.pdf
Soggetti
  • Nuclear and High Ener...

  • ALICE

  • LHC

Scopus© citazioni
10
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
19
Data di acquisizione
Mar 20, 2024
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