The rebounding quark or gluon must have plowed into the hot, dense medium just formed; its high energy would then have been dissipated by many close encounters with low-energy quarks and gluons.

• 回弹的夸克或胶子一定是冲进一堆刚形成的炽热、稠密的介质中了；然后在与低能量的夸克和胶子大量而密集的碰撞后，能量就耗散不见。