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Related papers: Dynamically generated open and hidden charm mesons

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The interaction potentials between vector mesons and octet baryons are calculated explicitly with a summation of t-, s-, u-channel diagrams and a contact term originating from the tensor interaction. Many resonances are generated…

High Energy Physics - Phenomenology · Physics 2017-08-23 Bao-Xi Sun , Xiao-Fu Lu

The interaction between various charmed mesons and charmed baryons are studied within the framework of the coupled channel unitary approach with the local hidden gauge formalism. Several meson-baryon dynamically generated narrow $N^*$ and…

Nuclear Theory · Physics 2010-12-28 Jia-Jun Wu , R. Molina , E. Oset , B. S. Zou

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 discuss the behavior of dynamically-generated charmed baryonic resonances in matter within a unitarized coupled-channel model consistent with heavy-quark spin symmetry. We analyze the implications for the formation of $D$-meson bound…

Nuclear Theory · Physics 2017-04-05 Laura Tolos

We study the interaction of vector mesons with the octet of stable baryons in the framework of the local hidden gauge formalism using a coupled channels unitary approach. We examine the scattering amplitudes and their poles, which can be…

High Energy Physics - Phenomenology · Physics 2014-11-18 E. Oset , A. Ramos

In this talk we report on the use of a chiral unitary approach for the interaction of the octets of meson and baryon and the octet of mesons with the decuplet of baryons. Two octets of $J^{\pi}=1/2^-$ baryon states and a singlet are…

High Energy Physics - Phenomenology · Physics 2011-02-09 E. Oset , S. Sarkar , M. J. Vicente Vacas

The interactions of $\bar{D}\Sigma_{c}$-$\bar D\Lambda_c$, $\bar{D}^{*}\Sigma_{c}$-$\bar D^*\Lambda_c$, and related strangeness channels, are studied within the framework of the coupled channel unitary approach with the local hidden gauge…

Nuclear Theory · Physics 2015-03-17 Jia-Jun Wu , R. Molina , E. Oset , B. S. Zou

The interactions of $\bar{D}^{(*)} \Lambda_c - \bar{D}^{(*)}\Sigma_c^{(*)}$ are studied within the framework of a dynamical coupled-channel approach. A series of bound states and resonances with different spin and parity are dynamically…

High Energy Physics - Phenomenology · Physics 2022-06-08 Zheng-Li Wang , Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou

In this talk we report on how, using a chiral unitary approach for the meson--baryon interactions, two octets of $J^{\pi}=1/2^-$ baryon states and a singlet are generated dynamically, resulting in the case of strangeness $S=-1$ in two poles…

Nuclear Theory · Physics 2009-11-10 A. Ramos , E. Oset , C. Bennhold , D. Jido. J. A. Oller , U. G. Meissner

We study the interaction of the octet of vector mesons with the decuplet of baryons using Lagrangians of the hidden gauge theory for vector interactions. The unitary amplitudes in coupled channels develop poles that can be associated with…

High Energy Physics - Phenomenology · Physics 2014-11-18 Sourav Sarkar , Bao-Xi Sun , E. Oset , M. J. Vicente Vacas

Charmed meson resonances with quantum numbers J^P=0^+ and J^P=1^+ are generated in terms of chiral coupled-channel dynamics. At leading order in the chiral expansion a parameter-free prediction is obtained for the scattering of Goldstone…

High Energy Physics - Phenomenology · Physics 2010-12-16 E. E. Kolomeitsev , M. F. M. Lutz

We obtain the properties of charmed mesons in dense matter using a coupled-channel approach which accounts for Pauli blocking effects and meson self-energies in a self-consistent manner. We study the behaviour of dynamically-generated…

Nuclear Theory · Physics 2015-05-18 L. Tolos , D. Gamermann , C. Garcia-Recio , E. Oset , R. Molina , J. Nieves , A. Ramos

The properties of charmed mesons in dense matter are studied using a unitary coupled-channel approach in the nuclear medium which takes into account Pauli-blocking effects and meson self-energies in a self-consistent manner. We obtain the…

Nuclear Theory · Physics 2011-02-03 L. Tolos , D. Gamermann , C. Garcia-Recio , R. Molina , J. Nieves , E. Oset , A. Ramos

One type of dynamical generation consists in the formation of multiple hadronic resonances from single seed states by incorporating hadronic loop contributions on the level of $s$-wave propagators. Along this line, we study the propagator…

High Energy Physics - Phenomenology · Physics 2015-09-07 Thomas Wolkanowski

In this presentation we discuss the generation of hadrons with an exotic quark content and hidden charm emerging from three-body interactions. To be more specific, we have studied the $KD\bar{D}^*/K\bar D D^*$ and $ND\bar{D}^*/N\bar{D}D^*$…

High Energy Physics - Phenomenology · Physics 2022-04-05 Brenda B. Malabarba , A. M. Torres , K. P. Khemchandani , Xiu-Lei Ren , Li-Sheng Geng

Deep latent variable models have been shown to facilitate the response generation for open-domain dialog systems. However, these latent variables are highly randomized, leading to uncontrollable generated responses. In this paper, we…

Computation and Language · Computer Science 2017-07-07 Xiaoyu Shen , Hui Su , Yanran Li , Wenjie Li , Shuzi Niu , Yang Zhao , Akiko Aizawa , Guoping Long

Light scalar mesons can be understood as dynamically generated resonances. They arise as 'companion poles' in the propagators of quark-antiquark seed states when accounting for hadronic loop contributions to the self-energies of the latter.…

High Energy Physics - Phenomenology · Physics 2016-08-24 Thomas Wolkanowski

Inspired by the recent findings of $Z_{cs}$ and $P_{cs}$ states, we investigate the strong interactions of the systems with open strangeness(es) from the light sector to the heavy sector (no beauty quark), where the interaction potential is…

High Energy Physics - Phenomenology · Physics 2024-06-21 C. W. Xiao , J. J. Wu

In the present paper we address the interaction of charmed mesons in hidden charm channels in a finite box. We use the interaction from a recent model based on heavy quark spin symmetry that predicts molecules of hidden charm in the…

High Energy Physics - Lattice · Physics 2015-06-18 M. Albaladejo , C. Hidalgo-Duque , J. Nieves , E. Oset

The mechanism by which a resonance may be attracted to a sharp threshold is described with several examples. It involves a threshold cusp interfering constructively with either or both (i) a resonance produced via confinement, (ii)…

High Energy Physics - Phenomenology · Physics 2009-11-13 D. V. Bugg