beam extraction

简明释义

束引出

英英释义

例句

1.The scientists discussed the process of beam extraction in their latest research paper.

科学家们在他们最新的研究论文中讨论了束提取的过程。

2.During the experiment, the team faced challenges with beam extraction from the accelerator.

在实验过程中，团队在从加速器中进行束提取时遇到了挑战。

3.The new technology improved the beam extraction rate significantly.

新技术显著提高了束提取率。

4.The engineers optimized the beam extraction method to increase efficiency.

工程师们优化了束提取方法以提高效率。

5.In particle physics, beam extraction is crucial for obtaining high-quality data.

在粒子物理学中，束提取对于获取高质量数据至关重要。

作文

In the field of particle physics and accelerator technology, the term beam extraction refers to the process of removing a charged particle beam from an accelerator. This is a critical step in experiments that require high-energy particles to collide with targets or to be directed towards detectors for analysis. The efficiency and precision of beam extraction can significantly affect the outcomes of these experiments, making it a vital aspect of accelerator operation.When a particle accelerator, such as a synchrotron or a linear accelerator, generates a beam of charged particles, it typically confines the beam within its structure using magnetic and electric fields. However, to conduct experiments or deliver particles for medical applications, researchers must carefully extract this beam. The process of beam extraction involves several technical challenges, including maintaining the stability of the beam and ensuring that it does not disperse or lose energy during the extraction process.One of the primary methods used in beam extraction is the use of electrostatic or magnetic deflection. By adjusting the fields at the extraction point, operators can guide the beam out of the accelerator while minimizing losses. This requires precise control and synchronization, as any misalignment can lead to a significant reduction in beam quality. Moreover, the design of the extraction system must account for various factors, including the desired energy of the extracted beam and the specific requirements of the downstream experiments.Another important aspect of beam extraction is the timing of the extraction process. In many cases, particle beams are pulsed, meaning they are produced in short bursts rather than as a continuous stream. The extraction system must be capable of responding quickly to these pulses to ensure that the maximum number of particles is captured and directed towards the intended target. This necessitates advanced timing systems and fast-acting devices that can operate with high precision.Furthermore, the success of beam extraction is also influenced by the vacuum conditions within the accelerator. Any residual gases can interact with the beam, leading to scattering and energy loss. Therefore, maintaining a high-quality vacuum is essential for optimal extraction performance. Researchers continuously monitor and improve vacuum systems to ensure that the conditions are ideal for beam extraction.In summary, beam extraction is a complex but essential process in the world of particle physics. It requires a deep understanding of accelerator physics, engineering principles, and experimental requirements. As advancements in technology continue to evolve, the methods and systems used for beam extraction will likely become even more sophisticated, enabling new discoveries and applications in various fields of science and medicine. Ultimately, the ability to efficiently and effectively extract particle beams will play a crucial role in the future of research and innovation in high-energy physics and beyond.

在粒子物理学和加速器技术领域，术语束流提取指的是从加速器中移除带电粒子束的过程。这是需要高能粒子与靶发生碰撞或被引导到探测器进行分析的实验中的关键步骤。束流提取的效率和精确度会显著影响这些实验的结果，因此它是加速器操作中的一个重要方面。当粒子加速器（如同步加速器或线性加速器）产生带电粒子束时，通常会使用磁场和电场将束流限制在其结构内。然而，为了进行实验或将粒子用于医疗应用，研究人员必须小心地提取这个束流。束流提取的过程涉及多个技术挑战，包括保持束流的稳定性，并确保在提取过程中不会散射或失去能量。在束流提取中使用的一种主要方法是利用静电或磁偏转。通过调整提取点的场，操作员可以引导束流离开加速器，同时最小化损失。这需要精确的控制和同步，因为任何不对齐都可能导致束流质量显著降低。此外，提取系统的设计必须考虑各种因素，包括提取束流所需的能量以及下游实验的具体要求。束流提取的另一个重要方面是提取过程的时机。在许多情况下，粒子束是脉冲式的，这意味着它们以短暂的爆发形式产生，而不是作为连续的流动。提取系统必须能够快速响应这些脉冲，以确保捕获并引导尽可能多的粒子到预定靶点。这需要先进的定时系统和能够高精度操作的快速设备。此外，束流提取的成功还受到加速器内真空条件的影响。任何残余气体都可能与束流相互作用，导致散射和能量损失。因此，保持高质量的真空对于优化提取性能至关重要。研究人员不断监测和改善真空系统，以确保束流提取的条件理想。总之，束流提取是粒子物理学世界中一个复杂但必不可少的过程。它需要对加速器物理学、工程原理和实验要求有深刻的理解。随着技术的不断进步，用于束流提取的方法和系统可能会变得更加复杂，从而使科学和医学各个领域的新发现和应用成为可能。最终，高效有效地提取粒子束的能力将在高能物理及其他领域的研究和创新的未来中发挥至关重要的作用。