Stable regions in four-dimensional phase space have been observed by following the motion of accelerated proton beams subject to nonlinear forces. This provides insights into the physics of dynamical systems and may lead to improved accelerator designs.

中文翻译：

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质子在线

通过跟踪受非线性力作用的加速质子束的运动，观察到了四维相空间中的稳定区域。这提供了对动力系统物理学的深入了解，并可能导致加速器设计的改进。