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Chiral dynamics of kaon-nucleon interactions, revisited

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arxiv hep-ph/0505239 v1 pith:QFVN34T5 submitted 2005-05-27 hep-ph nucl-th

classification hep-phnucl-th
keywords anti-kaonchiralclosedatanucleonthresholdaccountaccurate
verification ladder T0 review T1 audit T2 compute T3 formal
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The anti-kaon nucleon system close to threshold is analyzed in view of the new accurate DEAR kaonic hydrogen data. The calculations are performed using chiral SU(3) effective field theory in combination with non-perturbative schemes based on coupled channels. Several variants of such approaches are compared with experimental data and the differences in the results are discussed. Coulomb and isospin breaking effects turn out to be important and are both taken into account. The pole structure of the Lambda(1405) resonance close to the anti-kaon nucleon threshold is critically examined.

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Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Universal parameters of the $\Lambda(1380)$, the $\Lambda(1405)$ and their isospin partners from a combined analysis of Lattice QCD and experimental results

    hep-ph 2025-07 conditional novelty 6.0 of 10

    A combined global fit of lattice QCD spectra and experimental Kbar N data within chiral unitary approaches gives pole positions for the Lambda(1380) and Lambda(1405) at physical and lattice quark masses, with systemat...

  2. Femtoscopic study of the $S=-1$ meson-baryon interaction: $K^-p$, $\pi^-\Lambda$ and $K^+\Xi^-$ correlations

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Chiral unitary models reproduce the measured kaon-proton correlation and give first predictions for pion-Lambda and kaon-Xi-minus correlations using new production-weight methods.

  3. On the possible existence of a $S=-3, \, I=1$ pentaquark

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A unitarized chiral calculation with next-to-leading-order terms generates a possible I=1 triply strange pentaquark near the Kbar-Xi threshold for one LEC set.

  4. Bridging correlation and spectroscopy measurements to access the hadron interaction behind molecular states: the case of the $\Xi$(1620) and $\Xi$(1690) in the $K^- \Lambda$ system

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A model constrained by ALICE correlation data reproduces the LHCb K−Λ mass spectrum above 1680 MeV but overshoots the threshold region dominated by the Xi(1620).

  5. Finding Low Star Discrepancy 3D Kronecker Point Sets Using Algorithm Configuration Techniques

    cs.NE 2026-04 unverdicted novelty 5.0 of 10

    Optimizing the two Kronecker parameters with irace yields new state-of-the-art L∞ star discrepancy for 3D point sets of size at least 500 and for ranges of sizes.

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