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Extended-soft-core Baryon-Baryon Model I. Nucleon-Nucleon Scattering (ESC04) Extended-soft-core Baryon-Baryon Model I. Nucleon-Nucleon Scattering (ESC04)

The NN results are presented from the extended-soft-core (ESC) interactions. They cosist of local- and non-local-potentials due to (i) one-boson-exchange (OBE), pseudo-scalar-, vector-, scalar-, and axial-vector-nonets, (ii) diffractive…

Nuclear Theory · Physics 2008-11-26 Th. A. Rijken

The reaction $\pi N \to \omega N$ in a dynamical coupled-channel approach

A refined investigation on light flavor meson-baryon scatterings is performed using a dynamical coupled-channel approach, the J\"ulich-Bonn model, that respects unitartiy and analyticity constraints. The channel space of $\pi N$, $\pi…

Nuclear Theory · Physics 2022-12-07 Yu-Fei Wang , Deborah Rönchen , Ulf-G. Meißner , Yu Lu , Chao-Wei Shen , Jia-Jun Wu

Nonmesonic weak decay of Lambda-hypernuclei within independent-particle shell-model

After a short introduction to the nonmesonic weak decay (NMWD) $\Lambda N\go nN$ of $\Lambda$-hypernuclei we discuss the long-standing puzzle on the ratio $\Gamma_n/\Gamma_p$, and some recent experimental evidences that signalized towards…

Nuclear Theory · Physics 2015-06-04 Franjo Krmpotić , Alfredo P. Galeão , Mahir S. Hussein

First measurement of $\Lambda N$ inelastic scattering with $\Lambda$ from $e^{+} e^{-} \rightarrow J/\psi \to \Lambda \bar{\Lambda}$

Using an $e^+ e^-$ collision data sample of $(10087 \pm 44)\times10^6 ~J/\psi$ events taken at the center-of-mass energy of $3.097~\rm{GeV}$ by the BESIII detector at the BEPCII collider, the process $\Lambda+N \rightarrow \Sigma^+ + X$ is…

Nuclear Experiment · Physics 2024-05-29 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , O. Afedulidis , X. C. Ai , R. Aliberti , A. Amoroso , Q. An , Y. Bai , O. Bakina , I. Balossino , Y. Ban , H. -R. Bao , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. F. Chang , W. L. Chang , G. R. Che , G. Chelkov , C. Chen , C. H. Chen , Chao Chen , G. Chen , H. S. Chen , M. L. Chen , S. J. Chen , S. L. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , Y. B. Chen , Y. Q. Chen , Z. J. Chen , Z. Y. Chen , S. K. Choi , X. Chu , G. Cibinetto , F. Cossio , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , B. Ding , X. X. Ding , Y. Ding , Y. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , Z. H. Duan , P. Egorov , Y. H. Fan , J. Fang , J. Fang , S. S. Fang , W. X. Fang , Y. Fang , Y. Q. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , Y. T. Feng , M. Fritsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , Y. N. Gao , Yang Gao , S. Garbolino , I. Garzia , L. Ge , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , Y. T. Gu , C. Y. Guan , Z. L. Guan , A. Q. Guo , L. B. Guo , M. J. Guo , R. P. Guo , Y. P. Guo , A. Guskov , J. Gutierrez , K. L. Han , T. T. Han , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , T. Holtmann , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , B. Y. Hu , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , X. T. Huang , Y. P. Huang , T. Hussain , F. Hölzken , N Hüsken , N. in der Wiesche , M. Irshad , J. Jackson , S. Janchiv , J. H. Jeong , Q. Ji , Q. P. Ji , W. Ji , X. B. Ji , X. L. Ji , Y. Y. Ji , X. Q. Jia , Z. K. Jia , D. Jiang , H. B. Jiang , P. C. Jiang , S. S. Jiang , T. J. Jiang , X. S. Jiang , Y. Jiang , J. B. Jiao , J. K. Jiao , Z. Jiao , S. Jin , Y. Jin , M. Q. Jing , X. M. Jing , T. Johansson , S. Kabana , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , M. Kavatsyuk , B. C. Ke , V. Khachatryan , A. Khoukaz , R. Kiuchi , O. B. Kolcu , B. Kopf , M. Kuessner , X. Kui , N. Kumar , A. Kupsc , W. Kühn , J. J. Lane , P. Larin , L. Lavezzi , T. T. Lei , Z. H. Lei , H. Leithoff , M. Lellmann , T. Lenz , C. Li , C. Li , C. H. Li , Cheng Li , D. M. Li , F. Li , G. Li , H. Li , H. B. Li , H. J. Li , H. N. Li , Hui Li , J. R. Li , J. S. Li , Ke Li , L. J Li , L. K. Li , Lei Li , M. H. Li , P. R. Li , Q. M. Li , Q. X. Li , R. Li , S. X. Li , T. Li , W. D. Li , W. G. Li , X. Li , X. H. Li , X. L. Li , X. Z. Li , Xiaoyu Li , Y. G. Li , Z. J. Li , Z. X. Li , C. Liang , H. Liang , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , L. Z. Liao , Y. P. Liao , J. Libby , A. Limphirat , D. X. Lin , T. Lin , B. J. Liu , B. X. Liu , C. Liu , C. X. Liu , F. H. Liu , Fang Liu , Feng Liu , G. M. Liu , H. Liu , H. B. Liu , H. M. Liu , Huanhuan Liu , Huihui Liu , J. B. Liu , J. Y. Liu , K. Liu , K. Y. Liu , Ke Liu , L. Liu , L. C. Liu , Lu Liu , M. H. Liu , P. L. Liu , Q. Liu , S. B. Liu , T. Liu , W. K. Liu , W. M. Liu , X. Liu , X. Liu , Y. Liu , Y. Liu , Y. B. Liu , Z. A. Liu , Z. D. Liu , Z. Q. Liu , X. C. Lou , F. X. Lu , H. J. Lu , J. G. Lu , X. L. Lu , Y. Lu , Y. P. Lu , Z. H. Lu , C. L. Luo , M. X. Luo , T. Luo , X. L. Luo , X. R. Lyu , Y. F. Lyu , F. C. Ma , H. Ma , H. L. Ma , J. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , R. Q. Ma , X. T. Ma , X. Y. Ma , Y. Ma , Y. M. Ma , F. E. Maas , M. Maggiora , S. Malde , A. Mangoni , Y. J. Mao , Z. P. Mao , S. Marcello , Z. X. Meng , J. G. Messchendorp , G. Mezzadri , H. Miao , T. J. Min , R. E. Mitchell , X. H. Mo , B. Moses , N. Yu. Muchnoi , J. Muskalla , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , Q. L. Niu , W. D. Niu , Y. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , P. Patteri , Y. P. Pei , M. Pelizaeus , H. P. Peng , Y. Y. Peng , K. Peters , J. L. Ping , R. G. Ping , S. Plura , V. Prasad , F. Z. Qi , H. Qi , H. R. Qi , M. Qi , T. Y. Qi , S. Qian , W. B. Qian , C. F. Qiao , X. K. Qiao , J. J. Qin , L. Q. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , Z. H. Qu , C. F. Redmer , K. J. Ren , A. Rivetti , M. Rolo , G. Rong , Ch. Rosner , S. N. Ruan , N. Salone , A. Sarantsev , Y. Schelhaas , K. Schoenning , M. Scodeggio , K. Y. Shan , W. Shan , X. Y. Shan , Z. J Shang , J. F. Shangguan , L. G. Shao , M. Shao , C. P. Shen , H. F. Shen , W. H. Shen , X. Y. Shen , B. A. Shi , H. C. Shi , J. L. Shi , J. Y. Shi , Q. Q. Shi , R. S. Shi , S. Y. Shi , X. Shi , J. J. Song , T. Z. Song , W. M. Song , Y. J. Song , Y. X. Song , S. Sosio , S. Spataro , F. Stieler , Y. J. Su , G. B. Sun , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , K. Sun , L. Sun , S. S. Sun , T. Sun , W. Y. Sun , Y. Sun , Y. J. Sun , Y. Z. Sun , Z. Q. Sun , Z. T. Sun , C. J. Tang , G. Y. Tang , J. Tang , Y. A. Tang , L. Y. Tao , Q. T. Tao , M. Tat , J. X. Teng , V. Thoren , W. H. Tian , Y. Tian , Z. F. Tian , I. Uman , Y. Wan , S. J. Wang , B. Wang , B. L. Wang , Bo Wang , D. Y. Wang , F. Wang , H. J. Wang , J. J. Wang , J. P. Wang , K. Wang , L. L. Wang , M. Wang , Meng Wang , N. Y. Wang , S. Wang , S. Wang , T. Wang , T. J. Wang , W. Wang , W. Wang , W. P. Wang , X. Wang , X. F. Wang , X. J. Wang , X. L. Wang , X. N. Wang , Y. Wang , Y. D. Wang , Y. F. Wang , Y. L. Wang , Y. N. Wang , Y. Q. Wang , Yaqian Wang , Yi Wang , Z. Wang , Z. L. Wang , Z. Y. Wang , Ziyi Wang , D. Wei , D. H. Wei , F. Weidner , S. P. Wen , Y. R. Wen , U. Wiedner , G. Wilkinson , M. Wolke , L. Wollenberg , C. Wu , J. F. Wu , L. H. Wu , L. J. Wu , X. 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Zhang , H. Y. Zhang , J. Zhang , J. Zhang , J. J. Zhang , J. L. Zhang , J. Q. Zhang , J. W. Zhang , J. X. Zhang , J. Y. Zhang , J. Z. Zhang , Jianyu Zhang , L. M. Zhang , Lei Zhang , P. Zhang , Q. Y. Zhang , R. Y Zhang , Shuihan Zhang , Shulei Zhang , X. D. Zhang , X. M. Zhang , X. Y. Zhang , Y. Zhang , Y. T. Zhang , Y. H. Zhang , Y. M. Zhang , Yan Zhang , Yao Zhang , Z. D. Zhang , Z. H. Zhang , Z. L. Zhang , Z. Y. Zhang , Z. Y. Zhang , G. Zhao , J. Y. Zhao , J. Z. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , N. Zhao , R. P. Zhao , S. J. Zhao , Y. B. Zhao , Y. X. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , W. J. Zheng , Y. H. Zheng , B. Zhong , X. Zhong , H. Zhou , J. Y. Zhou , L. P. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. Z. Zhou , J. Zhu , K. Zhu , K. J. Zhu , L. Zhu , L. X. Zhu , S. H. Zhu , S. Q. Zhu , T. J. Zhu , W. J. Zhu , Y. C. Zhu , Z. A. Zhu , J. H. Zou , J. Zu

Strangeness $S=-2$ baryon-baryon interactions in relativistic chiral effective field theory

We study the strangeness $S=-2$ baryon-baryon interactions in relativistic chiral effective field theory at leading order. Among the 15 relevant low energy constants, eight of them are determined by fitting to the state of the art lattice…

Nuclear Theory · Physics 2019-01-02 Kai-Wen Li , Tetsuo Hyodo , Li-Sheng Geng

A model of charmed baryon-nucleon potential and 2- and 3-body bound states with charmed baryon

A potential model for the interaction between a charmed baryon ($\Lambda_c$, $\Sigma_c$, and $\Sigma_c^*$) and the nucleon ($N$) is constructed. The model contains a long-range meson ($\pi$ and $\sigma$) exchange part and a short-distance…

Nuclear Theory · Physics 2016-02-25 Saori Maeda , Makoto Oka , Akira Yokota , Emiko Hiyama , Yan-Rui Liu

Exploring $ \Lambda{\text-} $ and $ \Xi{\text -}$triton correlation functions in heavy-ion collisions

The $ \Lambda{\text -} $ and $ \Xi{\text -}$triton(t) momentum correlation functions, to be measured in high-energy heavy-ion collisions, are explored. Mainly, STAR detector acquired data provides an opportunity to explore the $ \Lambda t $…

Nuclear Theory · Physics 2025-02-10 Faisal Etminan

Baryon-Baryon Interactions

After a short survey of some topics of interest in the study of baryon-baryon scattering, the recent Nijmegen energy dependent partial wave analysis (PWA) of the nucleon-nucleon data is reviewed. In this PWA the energy range for both pp and…

Nuclear Theory · Physics 2009-09-25 Th. A. Rijken

Cluster models of Lambda-Lambda-6He and Lambda-9Be hypernuclei

Configuration space Faddeev calculations are performed for the binding energy of Lambda-Lambda-6He and Lambda-9Be bound states, here considered as alpha-Lambda-Lambda and alpha-alpha-Lambda clusters respectively, in order to study the…

Nuclear Theory · Physics 2009-11-10 I. Filikhin , A. Gal , V. M. Suslov

Baryon interactions from lattice QCD with physical masses ---S=-3 sector: XiSigma and XiLambda-XiSigma---

We present lattice QCD results of baryon-baryon potentials in S=-3 sector, i.e., \Xi\Sigma (I=3/2) potentials and \Xi\Lambda-\Xi\Sigma coupled channel potentials (I=1/2) by using the 2+1 flavor gauge configurations with almost the physical…

High Energy Physics - Lattice · Physics 2018-05-30 Noriyoshi Ishii , Sinya Aoki , Takumi Doi , Shinya Gongyo , Tetsuo Hatsuda , Yoichi Ikeda , Takashi Inoue , Takumi Iritani , Takaya Miyamoto , Keiko Murano , Hidekatsu Nemura , Kenji Sasaki

Nucleon resonances within a dynamical coupled-channels model of pi N and gamma N reactions

The nucleon resonances are investigated within a dynamical coupled-channels model of pi N and gamma N reactions up to the invariant mass W = 2 GeV. The meson-baryon (MB) channels included in the calculations are MB = pi N, eta N, K Lambda,…

Nuclear Theory · Physics 2013-09-30 H. Kamano , S. X. Nakamura , T. -S. H. Lee , T. Sato

$\Lambda$ and $\Sigma$ potentials in neutron stars, hypernuclei, and heavy-ion collisions

With an appropriate $YNN$ force, the $\Lambda$ single-particle potential ($\Lambda$ potential) can be made strongly repulsive at high density, and one can solve the hyperon puzzle of neutron stars. We investigate the consistency of such a…

Nuclear Theory · Physics 2025-01-20 Asanosuke Jinno , Koichi Murase , Yasushi Nara

Maximal isospin few-body systems of nucleons and $\Xi$ hyperons

By using local central Yukawa-type interactions that reproduce the low-energy parameters of the latest updates of the Nijmegen ESC08c potentials we show that the $N\Xi$, $NN\Xi$, $N\Xi\Xi$ and $NN\Xi\Xi$ systems with maximal isospin are…

Nuclear Theory · Physics 2016-08-19 H. Garcilazo , A. Valcarce , J. Vijande

Probing the Coupling between Dark Components of the Universe

We place observational constraints on a coupling between dark energy and dark matter by using 71 Type Ia supernovae (SNe Ia) from the first year of the five-year Supernova Legacy Survey (SNLS), the cosmic microwave background (CMB) shift…

Astrophysics · Physics 2010-04-28 Zong-Kuan Guo , Nobuyoshi Ohta , Shinji Tsujikawa

Lattice QCD study of $\pi\Sigma-\bar{K}N$ scattering and the $\Lambda(1405)$ resonance

A lattice QCD computation of the coupled channel $\pi\Sigma-\bar{K}N$ scattering amplitudes in the $\Lambda(1405)$ region is detailed. Results are obtained using a single ensemble of gauge field configurations with $N_{\rm f} = 2+1$…

High Energy Physics - Lattice · Physics 2025-10-17 John Bulava , Bárbara Cid-Mora , Andrew D. Hanlon , Ben Hörz , Daniel Mohler , Colin Morningstar , Joseph Moscoso , Amy Nicholson , Fernando Romero-López , Sarah Skinner , André Walker-Loud

The onset of $\Lambda\Lambda$ hypernuclear binding

Binding energies of light, $A\leq 6$, $\Lambda\Lambda$ hypernuclei are calculated using the stochastic variational method in a pionless effective field theory (EFT) approach at leading order with the purpose of assessing critically the…

Nuclear Theory · Physics 2020-12-22 L. Contessi , M. Schäfer , N. Barnea , A. Gal , J. Mareš

Three-body halos. V. Computations of continuum spectra for Borromean nuclei

We solve the coordinate space Faddeev equations in the continuum. We employ hyperspherical coordinates and provide analytical expressions allowing easy computation of the effective potentials at distances much larger than the ranges of the…

Nuclear Theory · Physics 2008-11-26 A. Cobis , D. V. Fedorov , A. S. Jensen

Study of light $\phi$-mesic nuclei with HAL QCD $\phi N$ interactions

We explore the possible existence of light $\phi$-mesic nuclei using HAL QCD $\phi N$ interactions for the $^2S_{1/2}$ and $^4S_{3/2}$ channels. Particularly, using the Faddeev formalism in configuration space, the $\phi NN$ system, and…

Nuclear Theory · Physics 2026-01-21 I. Filikhin , R. Ya. Kezerashvili , B. Vlahovic

Observation of Coulomb-assisted nuclear bound state of $\Xi^-$-$^{14}$N system

In an emulsion-counter hybrid experiment performed at J-PARC, a $\Xi^-$ absorption event was observed which decayed into twin single-$\Lambda$ hypernuclei. Kinematic calculations enabled a unique identification of the reaction process as…

Nuclear Experiment · Physics 2021-02-17 S. H. Hayakawa , K. Agari , J. K. Ahn , T. Akaishi , Y. Akazawa , S. Ashikaga , B. Bassalleck , S. Bleser , H. Ekawa , Y. Endo , Y. Fujikawa , N. Fujioka , M. Fujita , R. Goto , Y. Han , S. Hasegawa , T. Hashimoto , T. Hayakawa , E. Hayata , K. Hicks , E. Hirose , M. Hirose , R. Honda , K. Hoshino , S. Hoshino , K. Hosomi , S. H. Hwang , Y. Ichikawa , M. Ichikawa , K. Imai , K. Inaba , Y. Ishikawa , H. Ito , K. Ito , W. S. Jung , S. Kanatsuki , H. Kanauchi , A. Kasagi , T. Kawai , M. H. Kim , S. H. Kim , S. Kinbara , R. Kiuchi , H. Kobayashi , K. Kobayashi , T. Koike , A. Koshikawa , J. Y. Lee , T. L. Ma , S. Y. Matsumoto , M. Minakawa , K. Miwa , A. T. Moe , T. J. Moon , M. Moritsu , Y. Nagase , Y. Nakada , M. Nakagawa , D. Nakashima , K. Nakazawa , T. Nanamura , M. Naruki , A. N. L. Nyaw , Y. Ogura , M. Ohashi , K. Oue , S. Ozawa , J. Pochodzalla , S. Y. Ryu , H. Sako , S. Sato , Y. Sato , F. Schupp , K. Shirotori , M. M. Soe , M. K. Soe , J. Y. Sohn , H. Sugimura , K. N. Suzuki , H. Takahashi , T. Takahashi , T. Takeda , H. Tamura , K. Tanida , A. M. M. Theint , K. T. Tint , Y. Toyama , M. Ukai , E. Umezaki , T. Watabe , K. Watanabe , T. O. Yamamoto , S. B. Yang , C. S. Yoon , J. Yoshida , M. Yoshimoto , D. H. Zhang , Z. Zhang

Light $\Xi$ hypernuclei

Arguments in favor of a light $\Xi NN$ hypernucleus with $(I)J^P=(3/2)1/2^+$ are presented, within the uncertainties of our knowledge of the baryon-baryon strangeness $-2$ interactions. If bound, this $\Xi NN$ state, being decoupled from…

High Energy Physics - Phenomenology · Physics 2015-07-24 H. Garcilazo , A. Valcarce