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Related papers: Possible $\Delta\Delta$ dibaryons in the quark clu…

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ND and ND^* interactions become a hot topic after the observation of new charmed hadrons \Sigma_c(2800) and \Lambda_c(2940)^+. In this letter, we have preliminary investigated S-wave ND and ND^* interactions with possible quantum numbers in…

Nuclear Theory · Physics 2015-08-18 Dan Yang , Jing Liu , Dan Zhang

We examine the electromagnetic properties of the Delta(1232) resonance within the self-consistent chiral quark-soliton model. In particular we present the Delta form factors of the vector-current GE0, GE2 and GM1 for a momentum-transfer…

High Energy Physics - Phenomenology · Physics 2009-07-30 Tim Ledwig , Antonio Silva , Marc Vanderhaeghen

The lower excitation spectrum of the nucleon and $\Delta$ is calculated in a relativistic chiral quark model. Contributions of the second order self-energy and exchange diagrams due-to pion fields to the mass spectrum of the SU(2) baryons…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. M. Tursunov

The H dibaryon channel, (I=0,J=0,S=-2), is revisited in the non-relativistic quark cluster model (NRQCM) using a basis extended beyond the usual set of baryon cluster pairs to include an explicit spatially symmetric 6q state, analogous in…

Nuclear Theory · Physics 2014-11-18 C. E. Wolfe , K. Maltman

$\bar{K}$-nucleon interactions are investigated in the framework of coupled-channels dynamics based on the next-to-leading order chiral SU(3) meson-baryon effective Lagrangian. A recent determination of the 1s shift and width of kaonic…

Nuclear Theory · Physics 2015-06-04 Yoichi Ikeda , Tetsuo Hyodo , Wolfram Weise

The implications of one gluon exchange generated configuration mixing in the Chiral Quark Model ($\chi$QM$_{gcm}$) with SU(3) and axial U(1) symmetry breakings are discussed in the context of proton flavor and spin structure as well as the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Harleen Dahiya , Manmohan Gupta

The three-nucleon bound state problem is studied employing a nucleon-nucleon potential obtained from a basic quark-quark interaction in a five-channel Faddeev calculation. The obtained triton binding energy is comparable to those predicted…

High Energy Physics - Phenomenology · Physics 2016-08-16 B. Juliá-Díaz , J. Haidenbauer , A. Valcarce , F. Fernández

The structure and decay properties of $d^*$ have been detailedly investigated in both the chiral SU(3) quark model and the extended chiral SU(3) quark model that describe the energies of baryon ground states and the nucleon-nucleon (NN)…

Nuclear Theory · Physics 2015-05-21 F. Huang , P. N. Shen , Y. B. Dong , Z. Y. Zhang

The SU(3) breaking effects due to light quark masses on heavy meson masses, decay constants ($F_{D}, F_{D_{s}}$) and the form factor for semileptonic $\overline{B}\rightarrow D^{(\ast)} l\bar{\nu}_{l}$ transitions are formulated in chiral…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. L. Goity

Possible $N\Omega$-like dibaryons $N\Omega_{ccc}$ and $N\Omega_{bbb}$ with quantum numbers $IJ^P=\frac{1}{2}2^+$ are investigated within the framework of quark delocalization color screening model. We find both of these two states are…

High Energy Physics - Phenomenology · Physics 2020-01-22 Hongxia Huang , Jialun Ping , Fan Wang

Both unitary chiral theories and lattice QCD simulations show that the $DK$ interaction is attractive and can form a bound state, namely, $D^*_{s0}(2317)$. Assuming the validity of the heavy antiquark-diquark symmetry (HADS), the…

High Energy Physics - Phenomenology · Physics 2020-10-28 Tian-Wei Wu , Ming-Zhu Liu , Li-Sheng Geng , Emiko Hiyama , Manuel Pavon Valderrama , Wen-Ling Wang

We develop a systematic effective field theory framework for studying $|\Delta B|=2$ interactions across energy scales. Using chiral symmetry, we construct the complete and non-redundant set of operators governing these interactions at low…

High Energy Physics - Phenomenology · Physics 2026-04-30 Arnau Bas i Beneito , Ajdin Palavrić , Andrea Sainaghi

In this work, we systematically investigate the charmed-strange dibaryon systems with $csssqq$ quarks and their baryon-antibaryon partners from the interactions $\Xi^{(',*)}_{c}\Xi^{(*)}$, $\Omega^{(*)}_c\Lambda$,…

High Energy Physics - Phenomenology · Physics 2023-06-07 Shu-Yi Kong , Jun-Tao Zhu , Jun He

We employ the chiral nucleon-nucleon potential derived in ref.[1] to study bound and scattering states in the two-nucleon system. At next-to-leading order, this potential is the sum of renormalized one-pion and two-pion exchange and contact…

Nuclear Theory · Physics 2011-05-05 E. Epelbaum , W. Glöckle , Ulf-G. Meißner

We give a comprehensive review of concepts and numerical calculations for SU(2) and SU(3) baryonic systems which are considered as many body systems composed of three quarks coupled to a polarized Dirac sea by a Nambu--Jona-Lasinio like…

High Energy Physics - Phenomenology · Physics 2007-05-23 Th. Meissner , E. Ruiz Arriola , A. Blotz , K. Goeke

Inspired by that Belle\uppercase\expandafter{\romannumeral2} Collaboration recently reported $T_{cc}$, which can be interpreted as a molecular $DD^{*}$, we investigated the trihadron system of $T_{cc}$ partner with $IJ^{P}$=$01^{-}$ in the…

High Energy Physics - Phenomenology · Physics 2024-04-03 Yue Tan , Xuejie Liu , Xiaoyun Chen , Youchang Yang , Hongxia Huang , Jialun Ping

A previously introduced relativistic energy density functional, successfully applied to ordinary nuclei, is extended to hypernuclei. The density-dependent mean field and the spin-orbit potential are consistently calculated for a $\Lambda$…

Nuclear Theory · Physics 2008-11-26 P. Finelli , N. Kaiser , D. Vretenar , W. Weise

We study the chiral interactions of the hidden charm $D\bar{D}^*$ system within chiral effective field theory. Chiral Lagrangians are constructed by incorporating the chiral symmetry, heavy quark symmetry as well as proper charge…

High Energy Physics - Phenomenology · Physics 2022-03-02 Hao Xu

The chiral SU(3) quark model is extended to include coupling between vector chiral field and quarks. By using this model, the phase shifts of NN scattering for different partial waves are studied. The results are very similar to those of…

Nuclear Theory · Physics 2009-12-14 L. R. Dai , Z. Y. Zhang , Y. W. Yu , P. Wang

We investigate the interaction between H-dibaryons employing a quark cluster model with a one-gluon-exchange potential and an effective meson exchange potential (EMEP). A deeply-bound state of two H-dibaryons due to the medium range…

Nuclear Theory · Physics 2009-10-30 T. Sakai , J. Mori , A. J. Buchmann , K. Shimizu , K. Yazaki