K0S and Λ(Λ) two-particle femtoscopic correlations in PbPb collisions at √𝑠NN = 5.02TeV
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Author(s)
Type
Journal Article
Abstract
Two-particle correlations are presented for K0
S, Λ, and Λ strange hadrons as a function of relative momentum
in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The dataset corresponds to an
integrated luminosity of 0.607 nb−1 and was collected using the CMS detector at the CERN LHC. These correlations
are sensitive to quantum statistics and to final-state interactions between the particles. The source size extracted
from the K0
SK0
S correlations is found to decrease from 4.6 to 1.6 fm in going from central to peripheral collisions.
Strong interaction scattering parameters (i.e., scattering length and effective range) are determined from the ΛK0
S
and ΛΛ (including their charge conjugates) correlations using the Lednický–Lyuboshitz model and are compared
to theoretical and other experimental results.
S, Λ, and Λ strange hadrons as a function of relative momentum
in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The dataset corresponds to an
integrated luminosity of 0.607 nb−1 and was collected using the CMS detector at the CERN LHC. These correlations
are sensitive to quantum statistics and to final-state interactions between the particles. The source size extracted
from the K0
SK0
S correlations is found to decrease from 4.6 to 1.6 fm in going from central to peripheral collisions.
Strong interaction scattering parameters (i.e., scattering length and effective range) are determined from the ΛK0
S
and ΛΛ (including their charge conjugates) correlations using the Lednický–Lyuboshitz model and are compared
to theoretical and other experimental results.
Date Issued
2024-10
Date Acceptance
2024-08-01
Citation
Physics Letters B: Nuclear Physics and Particle Physics, 2024, 857
ISSN
0370-2693
Publisher
Elsevier
Journal / Book Title
Physics Letters B: Nuclear Physics and Particle Physics
Volume
857
Copyright Statement
© 2024 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V. Funded by SCOAP³. This is an open access article under the CC BY
license (http://creativecommons.org/licenses/by/4.0/).
license (http://creativecommons.org/licenses/by/4.0/).
License URL
Identifier
https://doi.org/10.1016/j.physletb.2024.138936
Publication Status
Published
Article Number
138936
Date Publish Online
2024-09-02