在非相对论夸克模型内,利用手征超精细相互作用,把原来对五夸克系统qqqqq能谱的预言,扩展到了七夸克系统qqq(q(q))2的基态和轨道第一激发态能谱的计算,所使用的参数也是来自于五夸克系统.预言了最低七夸克态的能量大约是2.1 GeV,自旋-宇称是Jp=1/2+或者JP=1/2-.由于在这个能区也存在一些三夸克系统和五夸克系统,所以能量在2 GeV以上的重子激发态可能是这3种夸克成分的混合.
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