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K^-p Correlation Function from High-Energy Nuclear Collisions and Chiral SU(3) Dynamics

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arxiv 1911.01041 v2 pith:XIRSH7HC submitted 2019-11-04 nucl-th hep-ph

K^-p Correlation Function from High-Energy Nuclear Collisions and Chiral SU(3) Dynamics

classification nucl-th hep-ph
keywords functioncorrelationsourcechiralcollisionsdynamicshigh-energykbarn
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The two-particle momentum correlation function of a K^-p pair from high-energy nuclear collisions is evaluated in the KbarN-piSigma-piLambda coupled-channels framework. The effects of all coupled channels together with the Coulomb potential and the threshold energy difference between K^-p and Kbar0 n are treated completely for the first time. Realistic potentials based on the chiral SU(3) dynamics are used which fit the available scattering data. The recently measured correlation function is found to be well reproduced by allowing variations of the source size and the relative weight of the source function of piSigma with respect to that of KbarN. The predicted K^-p correlation function from larger systems, which is less affected by the piSigma source function, indicates that the investigation of its source size dependence is useful in providing further constraints in the study of the KbarN interaction.

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Cited by 5 Pith papers

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