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Study of the p-p-K^+ and p-p-K^- dynamics using the femtoscopy technique

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arxiv 2303.13448 v2 pith:33YTSSRZ submitted 2023-03-23 nucl-ex hep-ex

Study of the p-p-K^+ and p-p-K^- dynamics using the femtoscopy technique

classification nucl-ex hep-ex
keywords dynamicsinteractionsthree-bodyboundcollisionseffectsinteractionkaons
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The interactions of kaons (K) and antikaons ($\mathrm{\overline{K}}$) with few nucleons (N) were studied so far using kaonic atom data and measurements of kaon production and interaction yields in nuclei. Some details of the three-body KNN and $\mathrm{\overline{K}}$NN dynamics are still not well understood, mainly due to the overlap with multi-nucleon interactions in nuclei. An alternative method to probe the dynamics of three-body systems with kaons is to study the final state interaction within triplet of particles emitted in pp collisions at the Large Hadron Collider, which are free from effects due to the presence of bound nucleons. This Letter reports the first femtoscopic study of p$-$p$-$K$^+$ and p$-$p$-$K$^-$ correlations measured in high-multiplicity pp collisions at $\sqrt{s}$ = 13 TeV by the ALICE Collaboration. The analysis shows that the measured p$-$p$-$K$^+$ and p$-$p$-$K$^-$ correlation functions can be interpreted in terms of pairwise interactions in the triplets, indicating that the dynamics of such systems is dominated by the two-body interactions without significant contributions from three-body effects or bound states.

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Cited by 4 Pith papers

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

  1. Charmonium-nucleon femtoscopy as a possible probe of the nucleon gravitational form factor

    hep-ph 2026-07 unverdicted novelty 5.0

    Charmonium-nucleon femtoscopy is proposed as a probe of the nucleon D-form factor by constructing an effective potential from lattice gravitational form factors and matching it to HAL QCD results.

  2. Charmonium-nucleon femtoscopy as a possible probe of the nucleon gravitational form factor

    hep-ph 2026-07 unverdicted novelty 5.0

    Charmonium-nucleon femtoscopy is examined as a probe of the nucleon D-form factor by constructing an effective potential from gravitational form factors fitted to lattice data and matched to HAL QCD results.

  3. Scattering data and correlation function for the $K f_1(1285)$ interaction

    hep-ph 2026-02 conditional novelty 5.0

    Assuming f1(1285) is a K* anti-K molecule, the K f1 system is predicted to have a near-threshold bound/resonant state with a distinctive correlation function.

  4. Scattering and Femtoscopic Correlation Functions of the $\Sigma_c^{++}\pi^{+}$, $\Sigma_c^{0}\pi^{-}$ and $\Sigma_b^{+}\pi^{+}$ Systems

    hep-ph 2026-03 conditional novelty 4.0

    Theoretical predictions show that femtoscopic correlation functions for neutral Σ_c^0 π^- pairs best constrain isotensor strong interactions in charm and bottom sectors, while Coulomb repulsion diminishes discriminati...