Towards the Assignment for the Ground Scalar Meson

Table 2

Predicted mass of bare 𝑠𝑠 for meson nonet. 𝜃_quad is the nonet mixing angle from the quadratic mass formulae [14].

	Nonet	1^1𝑆0	1^3𝑆1	1^3𝑃2	1^3𝐷3	2^1𝑆0
𝑀𝑠𝑠 (MeV)	Present work	685	1018	1530	1858	1323
	[27]	697	1009	1546
	[28]	702	1010	1538
	[19]	960	1020	1530	1900	1630
𝜃quad (°)		−11.5	38.7	29.6	32	−22.4