Flatté-like distributions and the a0(980)/f0(980) mesons

被引：0

作者：

V. Baru

J. Haidenbauer

C. Hanhart

A. Kudryavtsev

Ulf-G. Meißner

机构：

[1] Institute of Theoretical and Experimental Physics,Institut für Kernphysik (Theorie)

[2] Forschungszentrum Jülich,Helmholtz

[3] Universität Bonn,Institut für Strahlen

来源：

The European Physical Journal A - Hadrons and Nuclei | 2005年 / 23卷

关键词：

13.60.Le Meson production; 13.75.-n Hadron-induced low- and intermediate-energy reactions and scattering (energy ⩽ 10 GeV); 14.40.Cs Other mesons with ; = ; = 0, mass < 2.5 GeV;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We explore the features of Flatté-like parametrizations. In particular, we demonstrate that the large variation in the absolute values of the coupling constants to the πη (or ππ) and K¯ channels for the a0(980) and f0(980) mesons that one can find in the literature can be explained by a specific scaling behaviour of the Flatté amplitude for energies near the K¯ threshold. We argue that the ratio of the coupling constants can be much better determined from a fit to experimental data.

引用

页码：523 / 533

页数：10

共 50 条

[21] Triangle singularity in τ- → ντπ- f0(980) (a0(980)) decays
Dai, L. R.
Yu, Q. X.
Oset, E.
PHYSICAL REVIEW D, 2019, 99 (01)
[22] Radiative decays with scalar mesons a0(980) and f0(980) in Resonance Chiral Theory
Ivashyn, S.
Korchin, A.
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS, 2008, 181-82 : 189 - 193
[23] Search for the a0(980)-f0(980) mixing in weak decays of DS/BS mesons
Wang, Wei
PHYSICS LETTERS B, 2016, 759 : 501 - 506
[24] Interplay between the f0(980) and α0(980) mesons
Gunter, J
INTERSECTIONS BETWEEN PARTICLE AND NUCLEAR PHYSICS - 6TH CONFERENCE, 1997, (412): : 447 - 450
[25] The ■s~0→J/ψπ~0η decay and the a0(980)-f0(980) mixing
李嘉婷
林佳欣
张功杰
梁伟红
E.Oset
Chinese Physics C, 2022, 46 (08) : 127 - 132
[26] Study the molecular nature of σ, f0(980), and a0(980) states
Ahmed, Hiwa A.
Xiao, C. W.
PHYSICAL REVIEW D, 2020, 101 (09)
[27] Meson loops in the f0(980) and a0(980) radiative decays into ρ , ω
H. Nagahiro
L. Roca
E. Oset
The European Physical Journal A, 2008, 36 : 73 - 84
[28] Isospin breaking exposed in f0(980)-a0(980) mixing
Close, FE
Kirk, A
PHYSICS LETTERS B, 2000, 489 (1-2) : 24 - 28
[29] a0(980) - f0(980) mixing in χc1 → π0f0(980) → π0π+π- and χc1 → π0 a0(980) → π0π0η
Bayar, M.
Debastiani, V. R.
PHYSICS LETTERS B, 2017, 775 : 94 - 99
[30] Study a0(980)-f0(980) mixing in charmonium decays
Wu Jia-Jun
Zhao Qiang
Zou Bing-Song
CHINESE PHYSICS C, 2010, 34 (06) : 848 - 854

← 1 2 3 4 5 →