Kπ interaction in finite volume and the K∗ resonance

Dan Zhou; Er Liang Cui; Hua Xing Chen; Li Sheng Geng; Li Hua Zhu

doi:10.1103/PhysRevD.91.094505

Kπ interaction in finite volume and the K∗ resonance

Dan Zhou
, Er Liang Cui
, Hua Xing Chen
, Li Sheng Geng
, Li Hua Zhu

Beihang University

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We evaluate energy levels of the Kπ system in the K∗ channel in finite volume using chiral unitary theory. We use these energy levels to obtain Kπ phase shifts and then obtain the K∗ mass and its decay width. We investigate their dependence on the pion mass and compare this with lattice QCD calculations. We also compare our method with the standard Lüscher approach and solve the inverse problem to obtain the Kπ phase shifts from these "synthetic" lattice data.

Original language	English
Article number	094505
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	91
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.91.094505
State	Published - 11 May 2015

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10.1103/PhysRevD.91.094505

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abstract = "We evaluate energy levels of the Kπ system in the K∗ channel in finite volume using chiral unitary theory. We use these energy levels to obtain Kπ phase shifts and then obtain the K∗ mass and its decay width. We investigate their dependence on the pion mass and compare this with lattice QCD calculations. We also compare our method with the standard L{\"u}scher approach and solve the inverse problem to obtain the Kπ phase shifts from these {"}synthetic{"} lattice data.",

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AU - Chen, Hua Xing

AU - Geng, Li Sheng

AU - Zhu, Li Hua

PY - 2015/5/11

Y1 - 2015/5/11

N2 - We evaluate energy levels of the Kπ system in the K∗ channel in finite volume using chiral unitary theory. We use these energy levels to obtain Kπ phase shifts and then obtain the K∗ mass and its decay width. We investigate their dependence on the pion mass and compare this with lattice QCD calculations. We also compare our method with the standard Lüscher approach and solve the inverse problem to obtain the Kπ phase shifts from these "synthetic" lattice data.

AB - We evaluate energy levels of the Kπ system in the K∗ channel in finite volume using chiral unitary theory. We use these energy levels to obtain Kπ phase shifts and then obtain the K∗ mass and its decay width. We investigate their dependence on the pion mass and compare this with lattice QCD calculations. We also compare our method with the standard Lüscher approach and solve the inverse problem to obtain the Kπ phase shifts from these "synthetic" lattice data.

UR - https://www.scopus.com/pages/publications/84929305650

U2 - 10.1103/PhysRevD.91.094505

DO - 10.1103/PhysRevD.91.094505

M3 - 文章

AN - SCOPUS:84929305650

SN - 1550-7998

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JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 9

M1 - 094505

ER -

Kπ interaction in finite volume and the K∗ resonance

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