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Related papers: Exotic multistrange-anticharm baryon systems

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We follow a model based on the SU(8) symmetry for the interaction of mesons with baryons. The model treats on an equal footing the pseudo-scalars and the vector mesons, as required by heavy quark symmetry. The T-matrix calculated within an…

High Energy Physics - Phenomenology · Physics 2011-03-17 D. Gamermann , C. García-Recio , J. Nieves , L. L. Salcedo , L. Tolos

We study charmed baryon resonances which are generated dynamically within a unitary meson-baryon coupled channel model that treats the heavy pseudoscalar and vector mesons on equal footing as required by heavy-quark symmetry. It is an…

High Energy Physics - Phenomenology · Physics 2009-10-15 C. Garcia-Recio , V. K. Magas , T. Mizutani , J. Nieves , A. Ramos , L. L. Salcedo , L. Tolos

In view of the renewing experimental interest for searching strangeness $+1$ baryons at J-PARC, we study the existence of light baryon resonances with strangeness +1 generated in the $K$-$(N^*/\Delta^*)$ system, where $N^*$ represents…

High Energy Physics - Phenomenology · Physics 2025-01-15 Brenda B. Malabarba , K. P. Khemchandani , A. Martinez Torres , Seung-il Nam

Identifying the zero-range exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, the spectrum of ${3/2}^-$ molecules is computed. We predict a strongly bound 15-plet…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Hofmann , M. F. M. Lutz

The formalism developed recently to study vector meson--vector meson interaction, and applied to the case of $\rho\rho$, is extended to study the interaction of the nonet of vector mesons among themselves. The interaction leads to poles of…

High Energy Physics - Phenomenology · Physics 2009-08-05 L. S. Geng , E. Oset

We review our recent findings on the structure and properties of exotic heavy hadrons, focusing on two main topics. First, we examine the role of correlations driven by the short-range Coulomb-like color interaction in hidden heavy-flavor…

High Energy Physics - Phenomenology · Physics 2025-08-18 H- Garcilazo , A. Valcarce

We apply the extended local hidden gauge formalism to study the meson-meson interactions with the quark constituents $cc\bar c\bar c$, $cc\bar c\bar b/\bar c\bar c cb$, $cc\bar b\bar b/\bar c\bar c bb$, $bb\bar c\bar b/\bar b\bar b cb$, and…

High Energy Physics - Phenomenology · Physics 2025-01-28 Wen-Ying Liu , Hua-Xing Chen

We evaluate the s-wave interaction of pseudoscalar and vector mesons with both charm and beauty to investigate the possible existence of molecular $BD$, $B^*D$, $BD^*$, $B^*D^*$, $B\bar D$, $B^*\bar D$, $B\bar D^*$ or $B^* \bar D^*$ meson…

High Energy Physics - Phenomenology · Physics 2017-10-04 S. Sakai , L. Roca , E. Oset

In this manuscript we study the vector - vector interaction within the hidden gauge formalism in a coupled channel unitary approach. In the sector $C=1,S=1,J=2$ we get a pole in the T-matrix around $2572$ MeV that we identify with the…

High Energy Physics - Phenomenology · Physics 2014-11-20 R. Molina , T. Branz , E. Oset

This dissertation investigates exotic hadrons with heavy-quark content that may be understood as being generated dynamically from the hadron-hadron interaction. This interaction is derived from a suitable effective Lagrangian and properly…

High Energy Physics - Phenomenology · Physics 2022-07-25 Glòria Montaña

We study the propagation of non-strange and strange meson modes in hadronic matter considering both isospin and strangeness mixings induced by quantum fluctuations in the medium. Baryons are described using the Quark Meson Coupling model…

Nuclear Theory · Physics 2009-11-10 R. M. Aguirre , A. L. De Paoli

In this work, we study the hidden-strange molecular states composed of a baryon and a vector meson in a coupled-channel $N\rho-N\omega-N\phi-\Lambda K^*-\Sigma K^*$ interaction. With the help of the effective Lagrangians which coupling…

High Energy Physics - Phenomenology · Physics 2018-11-28 Jun He , Hongxia Huang , Dian-Yong Chen , Xinmei Zhu

We predict exotic doubly heavy--strange pentaquarks with minimal quark content $u\bar d sQQ'$ ($QQ'=cc,bc,bb$) within a coupled-channel unitary framework where the interaction is derived from an extension of the local hidden gauge approach…

High Energy Physics - Phenomenology · Physics 2026-05-26 Albert Feijoo , Eulogio Oset

Baryonic states are sufficiently complex to reveal physics that is hidden in the mesonic bound states. Using gauge/gravity correspondence we study analytically and numerically baryons in theories with space-dependent $\theta$-term, or…

High Energy Physics - Theory · Physics 2018-11-21 Dimitrios Giataganas

In the past two decades, a plethora of hadronic states beyond the conventional quark model of $q\bar{q}$ mesons and $qqq$ baryons have been observed experimentally, which motivated extensive studies to understand their nature and the…

High Energy Physics - Phenomenology · Physics 2024-12-17 Ming-Zhu Liu , Ya-Wen Pan , Zhi-Wei Liu , Tian-Wei Wu , Jun-Xu Lu , Li-Sheng Geng

In this work, we investigate the interactions between an excited anti-charm meson doublet $(\bar{D}_1, \bar{D}_2^*)$ and ground-state octet baryons $(N, \Lambda, \Sigma, \Xi)$ with the aim of identifying possible molecular pentaquark…

High Energy Physics - Phenomenology · Physics 2026-01-21 Yu-Yue Cui , Rui Chen , Qi Huang

Static properties of multiskyrmions with baryon numbers up to 8 are calculated starting from recently given rational map ansaetze. The spectra of baryonic systems with strangeness, charm and bottom are estimated within a "rigid oscillator"…

High Energy Physics - Phenomenology · Physics 2011-01-27 V. B. Kopeliovich , W. J. Zakrzewski

Strange hadrons have been suggested as sensitive probes of the properties of the nuclear matter created in heavy-ion collisions. At few-GeV collision energies, the formed medium is baryon-rich due to baryon stopping effect. In these…

Nuclear Experiment · Physics 2025-11-17 Hongcan Li

We study the thermodynamics of the strange baryon system using an S-matrix formulation of statistical mechanics. For this purpose, we employ an existing coupled-channel study involving $\bar{K} N$, $\pi \Lambda$, and $\pi \Sigma$…

High Energy Physics - Phenomenology · Physics 2018-12-17 César Fernández-Ramírez , Pok Man Lo , Peter Petreczky

Inspired by the LHCb's discovery of hidden-charm pentaquarks, the anticharmed strange pentaquarks $P_{\bar c s}$ in a favor of the hadronic molecule picture are investigated from the one-boson-exchange model. Similar to the hidden-charm…

High Energy Physics - Phenomenology · Physics 2022-05-24 Nijiati Yalikun , Bing-Song Zou