Chiral Structure of Scalar and Pseudoscalar Mesons

Table 3

Flavor singlet tetraquark currents of 𝐽^𝑃=0⁻ classified in Appendix A.1.

Tetraquark currents of (𝟏𝐹,𝐽^𝑃=0^−)	Chiral representations	Chirality
𝜂^PS1^,𝕊−𝜂^PS2^,𝕊, 𝜂^PS4^,𝕊−𝜂^PS5^,𝕊	[(𝟏,𝟏)+(𝟏,𝟏)]	𝐿𝐿𝐿𝐿+𝑅𝑅𝑅𝑅
𝜂^PS1^,𝕊+𝜂^PS2^,𝕊	[(𝟑,𝟑)+(𝟑,𝟑)]	𝐿𝐿𝑅𝑅+𝑅𝑅𝐿𝐿
𝜂^PS4^,𝕊+𝜂^PS5^,𝕊	[(𝟔,𝟔)+(𝟔,𝟔)]	𝐿𝐿𝑅𝑅+𝑅𝑅𝐿𝐿
𝜂^PS3^,𝕊	[(𝟑,𝟑)+(𝟑,𝟑)]	𝐿𝐿𝑅𝑅+𝑅𝑅𝐿𝐿
𝜂^PS6^,𝕊	[(𝟔,𝟔)+(𝟔,𝟔)]	𝐿𝐿𝑅𝑅+𝑅𝑅𝐿𝐿