大N - c极限下重子-重子相互作用。

IF 2.8 3区物理与天体物理 Q2 PHYSICS, NUCLEAR

The European Physical Journal A Pub Date : 2025-06-16 DOI:10.1140/epja/s10050-025-01602-9

Thomas Vonk, Ulf-G. Meißner

{"title":"大N - c极限下重子-重子相互作用。","authors":"Thomas Vonk, Ulf-G. Meißner","doi":"10.1140/epja/s10050-025-01602-9","DOIUrl":null,"url":null,"abstract":"<div>We analyze the large-\$N_c\$ structure of the baryon–baryon potential derived in the framework of SU(3) chiral perturbation theory up to next-to-leading order including contact interactions as well as one-meson and two-meson exchange diagrams. Moreover, we assess the impact of SU(3) symmetry breaking from a large-\$N_c\$ perspective and show that the leading order results can successfully be applied to the hyperon–nucleon potential. Our results include a reduction of the number of relevant low-energy constants of the leading order contact interaction from fifteen to three, and we show that consistency is preserved if the F/D ratio is given by 2/3 and the C/D ratio for the baryon decuplet-to-octet coupling is given by 2.</div>","PeriodicalId":786,"journal":{"name":"The European Physical Journal A","volume":"61 6","pages":""},"PeriodicalIF":2.8000,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12170797/pdf/","citationCount":"0","resultStr":"{\"title\":\"The baryon–baryon interaction in the large-\\\$N_c\\\$ limit\",\"authors\":\"Thomas Vonk, Ulf-G. Meißner\",\"doi\":\"10.1140/epja/s10050-025-01602-9\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>We analyze the large-\\\$N_c\\\$ structure of the baryon–baryon potential derived in the framework of SU(3) chiral perturbation theory up to next-to-leading order including contact interactions as well as one-meson and two-meson exchange diagrams. Moreover, we assess the impact of SU(3) symmetry breaking from a large-\\\$N_c\\\$ perspective and show that the leading order results can successfully be applied to the hyperon–nucleon potential. Our results include a reduction of the number of relevant low-energy constants of the leading order contact interaction from fifteen to three, and we show that consistency is preserved if the F/D ratio is given by 2/3 and the C/D ratio for the baryon decuplet-to-octet coupling is given by 2.</div>\",\"PeriodicalId\":786,\"journal\":{\"name\":\"The European Physical Journal A\",\"volume\":\"61 6\",\"pages\":\"\"},\"PeriodicalIF\":2.8000,\"publicationDate\":\"2025-06-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12170797/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The European Physical Journal A\",\"FirstCategoryId\":\"4\",\"ListUrlMain\":\"https://link.springer.com/article/10.1140/epja/s10050-025-01602-9\",\"RegionNum\":3,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"PHYSICS, NUCLEAR\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The European Physical Journal A","FirstCategoryId":"4","ListUrlMain":"https://link.springer.com/article/10.1140/epja/s10050-025-01602-9","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PHYSICS, NUCLEAR","Score":null,"Total":0}

引用次数: 0

摘要

我们分析了在SU(3)手性微扰理论框架下导出的重子-重子势的大N - c结构，直到次一级，包括接触相互作用以及单介子和双介子交换图。此外，我们从大N - c的角度评估了SU(3)对称性破缺的影响，并表明序次结果可以成功地应用于超子-核子势。我们的结果包括将一级接触相互作用的相关低能常数从15个减少到3个，并且我们表明，如果F/D比为2/3，重子十重子与八重子耦合的C/D比为2，则保持一致性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

$The baryon–baryon interaction in the large-$N_c$ limit$

查看原文本刊更多论文

The baryon–baryon interaction in the large-$N_c$ limit

We analyze the large-$N_c$ structure of the baryon–baryon potential derived in the framework of SU(3) chiral perturbation theory up to next-to-leading order including contact interactions as well as one-meson and two-meson exchange diagrams. Moreover, we assess the impact of SU(3) symmetry breaking from a large-$N_c$ perspective and show that the leading order results can successfully be applied to the hyperon–nucleon potential. Our results include a reduction of the number of relevant low-energy constants of the leading order contact interaction from fifteen to three, and we show that consistency is preserved if the F/D ratio is given by 2/3 and the C/D ratio for the baryon decuplet-to-octet coupling is given by 2.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

The European Physical Journal A 物理-物理：核物理

CiteScore

5.00

自引率

18.50%

发文量

216

审稿时长

3-8 weeks

期刊介绍： Hadron Physics Hadron Structure Hadron Spectroscopy Hadronic and Electroweak Interactions of Hadrons Nonperturbative Approaches to QCD Phenomenological Approaches to Hadron Physics Nuclear and Quark Matter Heavy-Ion Collisions Phase Diagram of the Strong Interaction Hard Probes Quark-Gluon Plasma and Hadronic Matter Relativistic Transport and Hydrodynamics Compact Stars Nuclear Physics Nuclear Structure and Reactions Few-Body Systems Radioactive Beams Electroweak Interactions Nuclear Astrophysics Article Categories Letters (Open Access) Regular Articles New Tools and Techniques Reviews.