One-loop analysis of the interactions between doubly charmed baryons and Nambu-Goldstone bosons
Abstract The interactions between the spin-1/2 doubly charmed baryons and Nambu-Goldstone bosons are analyzed within a manifestly relativistic baryon chiral perturbation theory up to next-to-next-to leading order, by using the so-called extended-on-mass-shell scheme. We utilize heavy diquark-antiqua...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-07-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP07(2023)124 |
| _version_ | 1797647489044578304 |
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| author | Ze-Rui Liang Peng-Cheng Qiu De-Liang Yao |
| author_facet | Ze-Rui Liang Peng-Cheng Qiu De-Liang Yao |
| author_sort | Ze-Rui Liang |
| collection | DOAJ |
| description | Abstract The interactions between the spin-1/2 doubly charmed baryons and Nambu-Goldstone bosons are analyzed within a manifestly relativistic baryon chiral perturbation theory up to next-to-next-to leading order, by using the so-called extended-on-mass-shell scheme. We utilize heavy diquark-antiquark symmetry to estimate the low-energy constants in the chiral effective Lagrangians. The S- and P-wave scattering lengths are predicted. We find that those diagrams, vanishing exactly in the heavy-quark limit, do contribute slightly to the S-wave scattering lengths in reality. The influence of the spin-3/2 doubly charmed baryons, as heavy-quark spin partners of the spin-1/2 ones, on the scattering lengths is discussed as well. Finally, S-wave phase shifts for elastic scattering processes are presented in the energy region near threshold. Our results in this work will not only be very useful for performing chiral extrapolations of future lattice QCD data, but also provide us chiral inputs for the investigation of the spectroscopy of doubly heavy baryons. |
| first_indexed | 2024-03-11T15:16:57Z |
| format | Article |
| id | doaj.art-88db97c3043e4ef4a9d63b694f47d990 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-03-11T15:16:57Z |
| publishDate | 2023-07-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-88db97c3043e4ef4a9d63b694f47d9902023-10-29T12:09:07ZengSpringerOpenJournal of High Energy Physics1029-84792023-07-012023714610.1007/JHEP07(2023)124One-loop analysis of the interactions between doubly charmed baryons and Nambu-Goldstone bosonsZe-Rui Liang0Peng-Cheng Qiu1De-Liang Yao2School of Physics and Electronics, Hunan UniversitySchool of Physics and Electronics, Hunan UniversitySchool of Physics and Electronics, Hunan UniversityAbstract The interactions between the spin-1/2 doubly charmed baryons and Nambu-Goldstone bosons are analyzed within a manifestly relativistic baryon chiral perturbation theory up to next-to-next-to leading order, by using the so-called extended-on-mass-shell scheme. We utilize heavy diquark-antiquark symmetry to estimate the low-energy constants in the chiral effective Lagrangians. The S- and P-wave scattering lengths are predicted. We find that those diagrams, vanishing exactly in the heavy-quark limit, do contribute slightly to the S-wave scattering lengths in reality. The influence of the spin-3/2 doubly charmed baryons, as heavy-quark spin partners of the spin-1/2 ones, on the scattering lengths is discussed as well. Finally, S-wave phase shifts for elastic scattering processes are presented in the energy region near threshold. Our results in this work will not only be very useful for performing chiral extrapolations of future lattice QCD data, but also provide us chiral inputs for the investigation of the spectroscopy of doubly heavy baryons.https://doi.org/10.1007/JHEP07(2023)124Higher-Order Perturbative CalculationsChiral LagrangianEffective Field Theories of QCD |
| spellingShingle | Ze-Rui Liang Peng-Cheng Qiu De-Liang Yao One-loop analysis of the interactions between doubly charmed baryons and Nambu-Goldstone bosons Journal of High Energy Physics Higher-Order Perturbative Calculations Chiral Lagrangian Effective Field Theories of QCD |
| title | One-loop analysis of the interactions between doubly charmed baryons and Nambu-Goldstone bosons |
| title_full | One-loop analysis of the interactions between doubly charmed baryons and Nambu-Goldstone bosons |
| title_fullStr | One-loop analysis of the interactions between doubly charmed baryons and Nambu-Goldstone bosons |
| title_full_unstemmed | One-loop analysis of the interactions between doubly charmed baryons and Nambu-Goldstone bosons |
| title_short | One-loop analysis of the interactions between doubly charmed baryons and Nambu-Goldstone bosons |
| title_sort | one loop analysis of the interactions between doubly charmed baryons and nambu goldstone bosons |
| topic | Higher-Order Perturbative Calculations Chiral Lagrangian Effective Field Theories of QCD |
| url | https://doi.org/10.1007/JHEP07(2023)124 |
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