Question: Show that the short range interaction between the quark and antiquark in a meson is attractive if the meson is in the colour singlet

Show that the short range interaction between the quark and antiquark in

Show that the short range interaction between the quark and antiquark in a meson is attractive if the meson is in the colour singlet state -(rr + gg + bb) 3 but repulsive if the meson is in any of the colour octet states 1 y=- (rr+gg - bb), 6 - =(r gg), r, rb, gr, gb, br, b 2

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