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Related papers: Prediction of narrow $N^{*}$ and $\Lambda^*$ reson…

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The meson-baryon coupled channel unitary approach with the local hidden gauge formalism is extended to the hidden beauty sector. A few narrow $N^*$ and $\Lambda^*$ resonances around 11 GeV are predicted as dynamically generated states from…

High Energy Physics - Phenomenology · Physics 2015-05-20 Jia-Jun Wu , Lu Zhao , B. S. Zou

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

In this work, we study the possibility to find $N^*_{c\bar{c}}$ and $\Lambda^*_{c\bar{c}}$ resonances with hidden charm with mass above 4 GeV in the photon-induced production. The cross sections for the photoproductions of hidden charmed…

Nuclear Theory · Physics 2015-06-16 Yin Huang , Jun He , Hong-Fei Zhang , Xu-Rong Chen

The model dependence of the predictions of nucleon resonances with hidden charm is investigated. We consider several coupled-channel models which are derived from relativistic quantum field theory by using (1) a unitary transformation…

Nuclear Theory · Physics 2015-06-04 Jia-Jun Wu , T. -S. H. Lee , B. S. Zou

We develop a model to describe odd parity baryon resonances generated dynamically through a unitary baryon-meson coupled-channels approach. The scheme applies to channels with light and/or heavy quark content. Distinct features of the model…

High Energy Physics - Phenomenology · Physics 2013-04-30 C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo , L. Tolos

Identifying a zero-range exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, a rich spectrum of molecules is formed. We argue that chiral symmetry and large-$N_c$…

Nuclear Theory · Physics 2007-05-23 Julian Hofmann , Matthias F. M. Lutz

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

We study charmed baryon resonances that are generated dynamically from a coupled-channel unitary approach that implements heavy-quark symmetry. Some states can already be identified with experimental observations, such as $\Lambda_c(2595)$,…

High Energy Physics - Phenomenology · Physics 2010-11-02 L. Tolos , C. Garcia-Recio , V. K. Magas , T. Mizutani , J. Nieves , A. Ramos , L. L. Salcedo

We will study open and hidden charm scalar meson resonances within two different models. The first one is a direct application of a chiral Lagrangian already used to study flavor symmetry breaking in Skyrme models. In another approach to…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Gamermann , E. Oset , D. Strottman , M. J. Vicente Vacas

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

Charmed baryon resonances that are generated dynamically are studied within a unitary baryon-meson coupled-channel model, which incorporates heavy-quark spin symmetry. The extension of the SU(3) Weinberg-Tomozawa chiral Lagrangian to SU(8)…

High Energy Physics - Phenomenology · Physics 2012-06-18 O. Romanets , L. Tolos , C. Garcia-Recio , J. Nieves , L. L. Salcedo , R. G. E. Timmermans

We study baryon resonances with heavy flavor in a molecular approach, thus as dynamically generated by meson-baryon scattering. This is accomplished by using a unitary coupled-channel model taking, as bare interaction, the extension to four…

High Energy Physics - Phenomenology · Physics 2014-03-19 Olena Romanets , Carmen Garcia-Recio , Juan Nieves , Lorenzo Luis Salcedo , Laura Tolos

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

Identifying the t-channel exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, a surprisingly rich spectrum of molecules is formed. We argue that chiral symmetry and…

High Energy Physics - Phenomenology · Physics 2010-12-16 J. Hofmann , M. F. M. Lutz

The classical quenched quark models with three constituent quarks provide a good description for the baryon spatial ground states, but fail to reproduce the spectrum of baryon excited states. More and more evidences suggest that unquenched…

Nuclear Theory · Physics 2016-06-22 Jia-Jun Wu , B. S. Zou

A dynamical calculation of the strange hidden charm pentaquark systems $\Lambda_{c\bar{c}}$ is performed in the framework of the quark delocalization color screening model. The effective potentials between two clusters are calculated to…

High Energy Physics - Phenomenology · Physics 2020-08-19 Xuejie Liu , Hongxia Huang , Jialun Ping

We study charmed and strange baryon resonances that are generated dynamically within a unitary meson-baryon coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa…

High Energy Physics - Phenomenology · Physics 2012-09-06 L. Tolos , C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo

After some short introductory remarks on particular issues on the vector mesons in nuclei, in this paper we present a short review of recent developments concerning the interaction of vector mesons with baryons and with nuclei from a modern…

Nuclear Theory · Physics 2012-10-16 E. Oset , A. Ramos , E. J. Garzon , R. Molina , L. Tolos , C. W. Xiao , J. J. Wu , B. S. Zou

We study N and $\Delta$ hidden-charm baryon resonances that are generated dynamically from the s-wave interaction of pseudoscalar and vector mesons with $1/2^+$ and $3/2^+$ baryons. We use a unitary coupled-channels model that fulfills…

High Energy Physics - Phenomenology · Physics 2015-06-17 Olena Romanets , Carmen Garcia-Recio , Lorenzo Luis Salcedo , Juan Nieves , Laura Tolos

We study charmed and strange baryon resonances that are generated dynamically by a unitary baryon-meson coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa chiral…

High Energy Physics - Phenomenology · Physics 2012-07-05 O. Romanets , L. Tolos , C. Garcia-Recio , J. Nieves , L. L. Salcedo , R. G. E. Timmermans
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