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Probing $\Omega\Omega$ and $p\Omega$ dibaryons with femtoscopic correlations in relativistic heavy-ion collisions

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arxiv 1908.05414 v2 pith:WXHNS4CZ submitted 2019-08-15 nucl-th hep-lathep-phnucl-ex

Kenji Morita , Shinya Gongyo , Tetsuo Hatsuda , Tetsuo Hyodo , Yuki Kamiya , Akira Ohnishi This is my paper · ORCID
classification nucl-thhep-lathep-phnucl-ex
keywords omegacorrelationfunctionsinteractioncollisionsdibaryonsheavy-ionpairs
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The momentum correlation functions of baryon pairs, which reflects the baryon-baryon interaction at low energies, are investigated for multi-strangeness pairs ($\Omega\Omega$ and $N\Omega$) produced in relativistic heavy-ion collisions. We calculate the correlation functions based on an expanding source model constrained by single-particle distributions. The interaction potentials are taken from those obtained from recent lattice QCD calculations at nearly physical quark masses. Experimental measurements of these correlation functions for different system sizes will help to disentangle the strong interaction between baryons and to unravel the possible existence of strange dibaryons.

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Cited by 6 Pith papers

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

  1. $D\bar{D}^\ast$-$\pi J/\psi$ scatterings of coupled channels for $Z_c(3900)$ channel

    hep-ph 2026-04 unverdicted novelty 6.0 of 10

    Quark-exchange interactions at short distances dominate the coupled-channel scattering amplitudes for Zc(3900) over meson exchanges in an effective hadron-quark model.

  2. Lattice QCD Study of Positive Parity Dibaryons with Maximal Charm and Strangeness

    hep-lat 2025-07 conditional novelty 6.0 of 10

    Lattice QCD finds the Omega_ccc-Omega_ccc dibaryon likely bound by about 45 MeV in the spin-0 channel, Omega-Omega near threshold, and both spin-2 systems unbound.

  3. Probing the structure of the $D_{s 0}^*(2317)$ and $X(3872)$ states through correlation functions

    hep-ph 2025-06 conditional novelty 6.0 of 10

    Femtoscopic correlation functions for D0K+ and D0Dbar*0 pairs are predicted to be sensitive to the molecular versus bare-state composition of D_s0*(2317) and X(3872).

  4. 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.

  5. Correlation functions for $n\,\bar{D}_{s1}(2460)$ and $n\,\bar{D}_{s1}(2536)$

    hep-ph 2025-08 conditional novelty 5.0 of 10

    The neutron-D_{s1}(2460) and neutron-D_{s1}(2536) systems are predicted to have bound states, with correlation functions sensitive to the molecular structure of the D_{s1} mesons.

  6. Adressing the p{\Omega}- interaction and di-baryonic states via femtoscopy

    nucl-th 2025-07 conditional novelty 5.0 of 10

    Fitting published femtoscopy data to a meson-exchange potential gives a short-range coupling that, under the inelastic spin-channel scenario, supports a pΩ bound state with binding energy near 0.5 MeV.

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