235 citations · 1.1k across the 47 of their papers we have counts for
48 papers
Analytical dispersive parameterization for S-wave and scattering
Volodymyr Biloshytskyi, Igor Danilkin, Xiu-Lei Ren +1
In this proceeding, we illustrate the applicability of a new parameterization of the S-wave amplitude on the example of the and lattice data (…
Phenomenological model for the reaction
Xiu-Lei Ren, Igor Danilkin, Marc Vanderhaeghen
We present a phenomenological model for the reaction by including the production mechanism of the resonance, as well as the contributions from the $σ/…
Analytical dispersive parameterization for elastic scattering of spinless particles
Igor Danilkin, Volodymyr Biloshytskyi, Xiu-Lei Ren +1
In this paper, we present an improved parameterization of the elastic scattering of spin-0 particles, which is based on a dispersive representation for the inverse scattering ampli…
Exotic heavy hadrons with a three-body nature
A. Martinez Torres, Brenda B. Malabarba, Xiu-Lei Ren +2
In this talk we present a summary of our latest results on the investigation of three-body systems with explicit/hidden charm and with explicit/hidden strangeness. To be more concr…
Kaon, Nucleon and Resonances with Hidden Charm
Brenda B. Malabarba, A. M. Torres, K. P. Khemchandani +2
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…
Nuclear Forces for Precision Nuclear Physics -- a collection of perspectives
Ingo Tews, Zohreh Davoudi, Andreas Ekström +42
This is a collection of perspective pieces contributed by the participants of the Institute of Nuclear Theory's Program on Nuclear Physics for Precision Nuclear Physics which was h…
Nucleon-nucleon scattering up to next-to-next-to-leading order in manifestly Lorentz-invariant chiral effective field theory: peripheral phases
Xiu-Lei Ren, E. Epelbaum, J. Gegelia
We study the nucleon-nucleon interaction up to next-to-next-to-leading order using time-ordered perturbation theory in the framework of manifestly Lorentz-invariant chiral effectiv…
Kaon and Nucleon States with Hidden Charm
Brenda B. Malabarba, A. Martínez Torres, K. P. Khemchandani +2
In this talk we discuss the formation of exotic hadrons with hidden charm arising from three-body interactions. To be more specific, in the strangeness sector, we predict the exist…
Testing the molecular nature of
A. Martínez Torres, Brenda B. Malabarba, Xiu-Lei Ren +1
In this talk we show our recent results on the decay widths of to final states formed by an anti-Kaon and a Kaonic resonance, in particular, , and $K…
Effective field theory for shallow P-wave states
E. Epelbaum, J. Gegelia, H. P. Huesmann +2
We discuss the formulation of a non-relativistic effective field theory for two-body P-wave scattering in the presence of shallow states and critically address various approaches t…
Partial decay widths of to kaonic resonances
Brenda B. Malabarba, Xiu-Lei Ren, K. P. Khemchandani +1
In this work we study the strong decays of to final states involving the kaonic resonances , and , on which experimental data have recentl…
Production of the (predicted) in decays
Xiu-Lei Ren, K. P. Khemchandani, A. Martinez Torres
In this work we study the production of in decays by determining the and invariant mass distributions of the processes $B^+\to J/ψπ^…
Multiple charm and hidden charm mesons with strangeness
Xiu-Lei Ren, Brenda B. Malabarba, L. S. Geng +2
In this talk we summarize our latest results on the study of three-body systems with explicit/hidden charm and with strangeness. In particular, we focus on the and $K D\ba…
Towards baryon-baryon scattering in manifestly Lorentz-invariant formulation of SU(3) baryon chiral perturbation theory
V. Baru, E. Epelbaum, J. Gegelia +1
We study baryon-baryon scattering by applying time-ordered perturbation theory to the manifestly Lorentz-invariant formulation of SU(3) baryon chiral perturbation theory. We derive…
On the two-body decay processes of the predicted three-body resonance
Xiu-Lei Ren, Brenda B. Malabarba, K. P. Khemchandani +1
In a recent theoretical work, Phys. Lett. B785, 112 (2018), we proposed that a resonance with hidden charm content arises from the dynamics, where the $D\bar D^*…
Meson-baryon Scattering in Extend-on-mass-shell scheme at
Junxu Lu, Lisheng Geng, Xiulei Ren +1
In this present work, we study the scattering of a pseudoscalar meson off one ground state octet baryon in covariant baryon chiral perturbation theory up to the next-to-next-to-lea…
Meson-baryon scattering up to the next-to-next-to-leading order in covariant baryon chiral perturbation theory
Jun-Xu Lu, Li-Sheng Geng, Xiu-Lei Ren +1
We study the scattering of a pseudoscalar meson off one ground state octet baryon in covariant baryon chiral perturbation theory (BChPT) up to the next-to-next-to-leading order. Th…
Covariant chiral nucleon-nucleon contact Lagrangian up to order
Yang Xiao, Li-Sheng Geng, Xiu-Lei Ren
We adopt a covariant version of the naive dimensional analysis and construct the chiral two-nucleon contact Lagrangian constrained by Lorentz, parity, charge conjugation, hermitian…
Possible bound states with hidden bottom from systems
Xiu-Lei Ren, Zhi-Feng Sun
We study the three-body systems of by solving the Faddeev equations in the fixed-center approximation, where the light particle …
How (not) to renormalize integral equations with singular potentials in effective field theory
E. Epelbaum, A. M. Gasparyan, J. Gegelia +1
We discuss the connection between the perturbative and non-perturbative renormalization and related conceptual issues in the few-nucleon sector of the low-energy effective field th…
Relativistic Brueckner-Hartree-Fock in nuclear matter without the average momentum approximation
Hui Tong, Xiu-Lei Ren, Peter Ring +3
Brueckner-Hartree-Fock theory allows to derive the -matrix as an effective interaction between nucleons in the nuclear medium. It depends on the center of mass momentum …
mesons with hidden charm arising from and dynamics
Xiu-Lei Ren, Brenda B. Malabarba, Li-Sheng Geng +2
Inspired by the recent discovery of the pentaquark states and , which can be viewed as excited nucleon states with hidden charm, we study the three-body inte…
Octet baryon magnetic moments at next-to-next-to-leading order in covariant chiral perturbation theory
Yang Xiao, Xiu-Lei Ren, Jun-Xu Lu +2
We calculate the octet baryon magnetic moments in covariant baryon chiral perturbation theory with the extended-on-mass-shell renormalization scheme up to next-to-next-to-leading o…
Towards a relativistic formulation of baryon-baryon interactions in chiral perturbation theory
Xiu-Lei Ren, Kai-Wen Li, Li-Sheng Geng
In this talk, we report on two recent studies of relativistic nucleon-nucleon and hyperon-nucleon interactions in covariant chiral perturbation theory, where they are constructed u…