@article{10a1e30e03c64dee9ae0e731ca410824,
title = "Femtoscopic study of coupled-channels N Ξ and Λ Λ interactions",
abstract = "The momentum correlation functions of S=-2 baryon pairs (pΞ- and ΛΛ) produced in high-energy pp and pA collisions are investigated on the basis of the coupled-channels formalism. The strong interaction is described by the coupled-channels HAL QCD potential obtained by lattice QCD simulations near physical quark masses, while the hadronic source function is taken to be a static Gaussian form. The coupled-channels effect, the threshold difference, the realistic strong interaction, and the Coulomb interaction are fully taken into account for the first time in the femtoscopic analysis of baryon-baryon correlations. The characteristic features of the experimental data for the pΞ- and ΛΛ pairs at the Large Hadron Collider are reproduced quantitatively with a suitable choice of nonfemtoscopic parameters and the source size. The agreement between theory and experiment indicates that the NΞ (ΛΛ) interaction is moderately (weakly) attractive without having a quasibound (bound) state.",
author = "Y. Kamiya and K. Sasaki and T. Fukui and T. Hyodo and K. Morita and K. Ogata and A. Ohnishi and T. Hatsuda",
note = "Funding Information: The authors thank members of HAL QCD Collaboration for providing lattice QCD results of coupled-channels interactions and for valuable discussions. The authors also thank Laura Fabbietti, Ot{\'o}n V{\'a}zquez Doce, Valentina Mantovani Sarti, and members of ALICE Collaboration for providing experimental data of correlation functions and for the useful discussions. This work has been supported in part by the Grants-in-Aid for Scientific Research from JSPS (Grants No. JP21H00121, No. JP21H00125, No. JP19H05150, No. JP19H05151, No. JP19H01898, No. JP19K03879, No. JP18H05236, No. JP18H05236, No. JP18H05407, No. JP16H03995, and No. JP16K17694), by the Yukawa International Program for Quark-hadron Sciences (YIPQS), by a priority issue (Elucidation of the fundamental laws and evolution of the universe) to be tackled by using Post “K” Computer, by “Program for Promoting Researches on the Supercomputer Fugaku” (Simulation for basic science: from fundamental laws of particles to creation of nuclei), by the Joint Institute for Computational Fundamental Science (JICFuS), by the National Natural Science Foundation of China (NSFC) under Grants No. 11835015 and No. 12047503, by the NSFC and the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) through the funds provided to the Sino-German Collaborative Research Center TRR110 “Symmetries and the Emergence of Structure in QCD” (NSFC Grant No. 12070131001, DFG Project-ID 196253076), by the Chinese Academy of Sciences (CAS) under Grants No. XDB34030000 and No. QYZDB-SSW-SYS013, by the CAS President's International Fellowship Initiative (PIFI) under Grant No. 2020PM0020, and by China Postdoctoral Science Foundation under Grant No. 2020M680687. Publisher Copyright: {\textcopyright} 2022 authors. Published by the American Physical Society.",
year = "2022",
month = jan,
doi = "10.1103/PhysRevC.105.014915",
language = "English",
volume = "105",
journal = "Physical Review C",
issn = "2469-9985",
publisher = "American Physical Society",
number = "1",
}