Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Precise dispersive determination of the f0(600) and f0(980) resonances   We review our recent dispersive and model independent determination of the
lightest two scalars, in terms of poles and residues - or mass, width and
coupling- by means of once and twice subtracted Roy equations, using as input
constrained fits to data, including the most recent ones from Kl4 decays. We
find the f0(600) pole at (457+14-13)-i(279+11-7) MeV and that of the f0(980) at
(996+-7)-i(25+10-6) MeV, whereas their respective couplings to two pions are
3.59+0.11-0.13 GeV and 2.3+-0.2 GeV.

5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
37
The categories of this paper are: supr-con
13
The categories of this paper are: quant-ph
16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
8
The categories of this paper are: hep-ex
18
The categories of this paper are: econ
3
The categories of this paper are: physics
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
14
The categories of this paper are: math-ph
26
The categories of this paper are: bayes-an
10
The categories of this paper are: q-bio
28
The categories of this paper are: alg-geom
23
The categories of this paper are: solv-int