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Related papers: Dynamically generated resonances from the vector o…

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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, including also the pseudoscalar-baryon channels which couple to the…

High Energy Physics - Phenomenology · Physics 2015-06-03 E. J. Garzon , E. Oset

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

The purpose of this work is to study vector meson-octet baryon interactions with the aim to find dynamical generation of resonances in such systems. For this, we consider s-, t-, u-channel diagrams along with a contact interaction…

High Energy Physics - Phenomenology · Physics 2011-07-08 K. P. Khemchandani , H. Kaneko , H. Nagahiro , A. Hosaka

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

We present recent results on the vector meson-vector meson and vector meson-baryon interaction using a unitary approach based on the hidden-gauge Lagrangians. For the vector-vector case we find that 11 states get dynamically generated,…

In this talk we present a short review of recent developments concerning the interaction of vector mesons with baryons and with nuclei. We begin with the hidden gauge formalism for the interaction of vector mesons, then review results for…

Nuclear Theory · Physics 2012-03-22 E. Oset , A. Ramos , E. J. Garzon , P. Gonzalez , J. J. Xie , A. Martinez Torres , L. Tolos , R. Molina , C. W. Xiao

We study the meson-baryon interaction with $J^P=1/2^-$ using the hidden-gauge Lagrangians and mixing pseudoscalar meson-baryon with the vector meson-baryon states in a coupled channels scheme with $\pi N$, $\eta N$, $K\Lambda$, $K\Sigma$,…

High Energy Physics - Phenomenology · Physics 2015-03-05 E. J. Garzon , E. Oset

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

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

In this manuscript, I will report the details of our recent work on the vector meson-baryon (VB) interaction, which we studied with the motivation of finding dynamical generation of resonances in the corresponding systems. We started our…

Nuclear Theory · Physics 2015-06-04 K. P. Khemchandani , A. Martínez Torres , H. Kaneko , H. Nagahiro , A. Hosaka

This work investigates dynamically generated hidden-charm baryon resonances arising from meson-baryon interactions. Using the local hidden gauge formalism, we model the interaction via t-channel vector meson exchange and unitarize the…

High Energy Physics - Phenomenology · Physics 2026-05-21 E. E. Garcia-Gonzales , V. K. Magas , A. Ramos

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

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

As an example of dynamically generated resonances we mention the interaction of vector mesons with baryons within the local hidden gauge formalism which gives rise to a large amount of such states, many of which can be associated to known…

Nuclear Theory · Physics 2015-05-27 E. Oset , E. J. Garzon , Ju Jun Xie , P. Gonzalez , A. Ramos , A. Martínez Torres

We make a theoretical study of the s-wave interaction of the nonet of vector mesons with the octet of pseudoscalar mesons starting from a chiral invariant Lagrangian and implementing unitarity in coupled channels. By looking for poles in…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Roca , E. Oset , J. Singh

A study of nonstrange meson-baryon systems has been made with the idea of understanding the properties of the low-lying $1/2^-$ $N^*$ and $\Delta$ resonances. The coupled channels are built by considering the pseudoscalar and vector mesons…

Nuclear Theory · Physics 2013-12-18 K. P. Khemchandani , A. Martínez Torres , H. Nagahiro , A. Hosaka

We present a recent study of vector meson-vector meson interaction using a unitary approach based on the hidden-gauge Lagrangians. We find that 11 states get dynamically generated, corresponding to poles of the scattering matrices on the…

High Energy Physics - Phenomenology · Physics 2009-05-05 L. S. Geng , E. Oset , R. Molina , D. Nicmorus

The s-wave interactions of the baryon decuplet with the octet of pseudoscalar mesons is studied in a unitarized coupled channel approach. We obtain a fair agreement for mass and width of several 3/2- resonances. In particular, the Xi(1820),…

Nuclear Theory · Physics 2007-05-23 M. J. Vicente Vacas , E. Oset , Sourav Sarkar

In this study, we explore the interactions between mesons and baryons in the open heavy sectors to identify potential triple-heavy molecular pentaquarks. We derive the meson-baryon interaction potentials using the vector meson exchange…

High Energy Physics - Phenomenology · Physics 2024-10-17 Zhong-Yu Wang , Chu-Wen Xiao , Zhi-Feng Sun , Xiang Liu

Using a chiral unitary approach for the meson--baryon interactions, we show that two octets of J^{\pi}=1/2^- baryon states, which are degenerate in the limit of exact SU(3) symmetry, and a singlet are generated dynamically. The SU(3)…

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