Sobanura imyitwarire itari umurongo umutwaro-wo gutandukana kumasoko yumuraba mugihe begereye 80%.

Amasoko y'amazi muri rusange yerekana umurongo uremereye-gutandukanya hagati ya 20 ku ijana na 80 ku ijana by'ibishobora kuboneka byose. Hejuru yibi, 'gutemba' bibaho mugihe imiraba itangiye gukora ku buso bwo gushyingiranwa, bigatuma ubwiyongere bukabije bwikigereranyo kigaragara $ K $. Ibi bigereranijwe muburyo bwo guhuza imiyoboro ya arcs, igabanya neza uburebure bwa beam $ L $ mukuringaniza $ \ delta \ propto L ^ 3 $. Kubikoresho byubuvuzi byuzuye, abashushanya bagomba kwirinda kariya karere kugirango birinde ibyasomwe bidasubirwaho hamwe nihungabana ryinshi rishobora gutera uburibwe.