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Search: authors:"Xiu-Lei Ren"

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\(B_s\pi \) – \(B\bar{K}\) interactions in finite volume and X(5568)

The recent observation of X(5568) by the D0 Collaboration has aroused a lot of interest both theoretically and experimentally. In the present work, we first point out that X(5568) and \(D_{s0}^*(2317)\) cannot simultaneously be of molecular nature, from the perspective of heavy-quark symmetry and chiral symmetry, based on a previous study of the lattice QCD scattering lengths of...

Baryon chiral perturbation theory with Wilson fermions up to \({\mathcal {O}}(a^2)\) and discretization effects of latest \(n_f=2+1\) LQCD octet baryon masses

We construct the chiral Lagrangians relevant in studies of the ground-state octet baryon masses up to \({\mathcal {O}}(a^2)\) by taking into account discretization effects. We calculate the masses up to \({\mathcal {O}}(p^4)\) in the extended-on-mass-shell scheme. As an application, we study the latest \(n_f=2+1\) LQCD data on the ground-state octet baryon masses from the PACS-CS...