capture cross section

简明释义

俘获截面

英英释义

例句

1.In nuclear experiments, measuring the capture cross section helps in understanding neutron interactions.

在核实验中，测量捕获截面有助于理解中子相互作用。

2.Researchers used the capture cross section data to improve their models of particle physics.

研究人员利用捕获截面数据来改进他们的粒子物理模型。

3.The capture cross section is crucial for predicting the behavior of particles in a reactor.

对于预测反应堆中粒子的行为，捕获截面是至关重要的。

4.Understanding the capture cross section can lead to advancements in radiation therapy techniques.

理解捕获截面可以推动放射治疗技术的进步。

5.The physicist calculated the capture cross section to determine the likelihood of the reaction occurring.

物理学家计算了捕获截面以确定反应发生的可能性。

作文

In the realm of particle physics, the term capture cross section refers to a crucial concept that quantifies the likelihood of a specific interaction between particles. It is essentially a measure of the probability of a particular reaction occurring when two particles collide. Understanding the capture cross section is vital for physicists as it helps them predict the outcomes of experiments, particularly in high-energy environments such as particle accelerators. The capture cross section can be thought of as an effective target area that one particle presents to another. When we say that a particle has a large capture cross section, it implies that there is a higher chance of interaction, while a smaller cross section indicates a lower probability. This concept is not only limited to theoretical considerations but also plays a significant role in practical applications, such as nuclear reactors and astrophysics. For instance, in nuclear physics, understanding the capture cross section of neutrons interacting with various materials allows scientists to design better nuclear reactors. By knowing how likely neutrons are to be captured by certain isotopes, engineers can optimize fuel compositions and improve safety measures. Similarly, in astrophysics, the capture cross section can help explain processes occurring in stars, such as nucleosynthesis, where elements are formed through nuclear reactions. Moreover, the capture cross section is often influenced by several factors, including the energy of the incoming particle and the nature of the target particle. As a particle's energy increases, the capture cross section may change, which can lead to different reaction pathways being favored. This variability makes it essential for researchers to conduct experiments at various energies to map out the capture cross section accurately. In summary, the concept of capture cross section is fundamental to our understanding of particle interactions in physics. By quantifying the probability of reactions, it serves as a critical tool for both theoretical predictions and practical applications. As research continues to evolve, the importance of mastering the capture cross section will only grow, paving the way for advancements in technology and our understanding of the universe. Through this exploration of the capture cross section, we see how deeply interconnected the principles of physics are with real-world applications. From energy production to understanding cosmic phenomena, the implications of this concept are far-reaching and significant. Thus, grasping the essence of the capture cross section not only enriches our knowledge of particle physics but also enhances our ability to innovate and solve complex problems in various scientific fields.

在粒子物理学领域，术语捕获截面指的是一个重要的概念，用于量化粒子之间特定相互作用的可能性。它本质上是衡量当两个粒子碰撞时发生特定反应的概率。理解捕获截面对物理学家至关重要，因为它帮助他们预测实验的结果，特别是在高能环境中，例如粒子加速器。捕获截面可以被认为是一个粒子向另一个粒子呈现的有效目标面积。当我们说一个粒子的捕获截面很大时，这意味着发生相互作用的机会更高，而较小的截面则表示较低的概率。这个概念不仅限于理论考虑，还在实际应用中发挥着重要作用，例如核反应堆和天体物理学。例如，在核物理学中，了解中子与各种材料相互作用的捕获截面使科学家能够设计出更好的核反应堆。通过了解中子被某些同位素捕获的可能性，工程师可以优化燃料组成并提高安全措施。同样，在天体物理学中，捕获截面可以帮助解释恒星中发生的过程，例如核合成，其中元素通过核反应形成。此外，捕获截面通常受到几个因素的影响，包括入射粒子的能量和目标粒子的性质。随着粒子能量的增加，捕获截面可能会发生变化，这可能导致不同的反应路径被优先选择。这种可变性使得研究人员必须在不同的能量下进行实验，以准确绘制捕获截面。总之，捕获截面的概念是我们理解粒子相互作用的基础。通过量化反应的概率，它作为一个关键工具，为理论预测和实际应用服务。随着研究的不断演变，掌握捕获截面的重要性只会增加，为技术进步和我们对宇宙的理解铺平道路。通过对捕获截面的探索，我们看到物理学原理与现实世界应用之间的深刻联系。从能源生产到理解宇宙现象，这一概念的影响深远而重要。因此，掌握捕获截面的本质不仅丰富了我们对粒子物理学的知识，还增强了我们在各个科学领域创新和解决复杂问题的能力。