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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 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

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

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

High Energy Physics - Phenomenology · Physics 2015-06-12 Olena Romanets , Laura Tolos , Carmen Garcia-Recio , Juan Nieves , Lorenzo Luis Salcedo , Rob Timmermans

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

High Energy Physics - Phenomenology · Physics 2013-04-18 O. Romanets , C. Garcia-Recio , L. L. Salcedo , J. Nieves , L. 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

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

The recent observation of two hidden-charm pentaquark states by LHCb collaborations prompted us to investigate the exotic states close to the $\bar{D}\Lambda_{\rm c}$, $\bar{D}^{\ast}\Lambda_{\rm c}$, $\bar{D}\Sigma_{\rm c}$,…

High Energy Physics - Phenomenology · Physics 2017-07-26 Yasuhiro Yamaguchi , Elena Santopinto

We extend our previous study of the interactions of $\bar{D}^{(*)} \Lambda_c - \bar{D}^{(*)}\Sigma_c^{(*)}$ within an analytic, unitary, coupled-channel approach by including the $J/\psi p$ channel and performing fits to the $J/\psi p$…

High Energy Physics - Phenomenology · Physics 2024-05-07 Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou , Yu-Fei Wang

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

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

We study the properties of charmed pseudoscalar and vector mesons in dense matter within a unitary meson-baryon coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3)…

Nuclear Theory · Physics 2015-06-11 L. Tolos , C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo

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

We systematically study hidden charm pentaquark states in the constituent quark model with a general Hamiltonian for multiquark systems, considering the coupling between the $\Sigma_c^{(*)}\bar{D}^{(*)}$ molecular states and the $q^3c\bar…

High Energy Physics - Phenomenology · Physics 2023-10-25 Kai Xu , Kanokphon Phumphan , Wiriya Ruangyoo , Chia-Chu Chen , Ayut Limphirat , Yupeng Yan

Stimulated by the meson-baryon molecular interpretations of the $P_c$ states ($P_c(4312)/P_c(4440)/P_c(4457)$), we systematically study the interactions between an $S-$wave charm-strange baryon $\Xi_c^{(\prime,*)}$ and an anti-charmed meson…

High Energy Physics - Phenomenology · Physics 2022-02-08 Rui Chen , Xiang Liu

The strange pentaquarks with hidden heavy quark pair ($q^3c\bar c$ and $q^3b \bar b$) are investigated by the coupled-channel quark cluster model. Two types of the $q^3$ color-octet configurations are found to provide the attraction, which…

High Energy Physics - Phenomenology · Physics 2025-07-29 Sachiko Takeuchi , Alessandro Giachino , Makoto Takizawa , Elena Santopinto , Makoto Oka

The mass spectrum of $\Lambda_c$ baryon family is investigated within the $DN$-$D^*N$ coupled-channel framework using two phenomenological approaches for the low-energy $D^{(*)} N$ interactions: the heavy quark effective theory and the…

High Energy Physics - Phenomenology · Physics 2025-11-20 Chao-Wei Shen , Yong-Hui Lin , Hao-Jie Jing

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
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