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タイトル: | Femtoscopic study of coupled-channel baryon-baryon interactions with $S=-2$ |
著者: | Ohnishi, Akira Kamiya, Yuki Sasaki, Kenji Fukui, Tokuro Hyodo, Tetsuo Morita, Kenji Ogata, Kazuyuki Hatsuda, Tetsuo |
著者名の別形: | 大西, 明 |
発行日: | 24-May-2022 |
出版者: | Sissa Medialab |
誌名: | Proceedings of Particles and Nuclei International Conference 2021 — PoS(PANIC2021) |
抄録: | The correlation functions of pΞ− and ΛΛ pairs from pp and pA collisions are studied in the coupled-channel framework using the NΞ-ΛΛ coupled-channel baryon-baryon potentials obtained in the lattice QCD calculation at almost physical quark masses. The pΞ− correlation function is calculated to be significantly enhanced from the pure Coulomb case, while the ΛΛ correlation function is slightly enhanced from that of the pure fermion quantum statistics. These features reflect the large and small scattering lengths in the pΞ− and ΛΛ channels in magnitude, and agree with the observed data by the ALICE collaboration. The agreement confirms the S = −2 baryon-baryon potentials from lattice QCD. |
記述: | Particles and Nuclei International Conference - PANIC2021, 5 - 10 September, 2021, Online |
著作権等: | © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. |
URI: | http://hdl.handle.net/2433/284394 |
DOI(出版社版): | 10.22323/1.380.0212 |
出現コレクション: | 学術雑誌掲載論文等 |
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