differential cross

简明释义

差速莆星轮十字轴

英英释义

例句

1.The data collected includes the differential cross 微分截面 for various angles of scattering.

收集的数据包括不同散射角度的differential cross 微分截面。

2.Researchers published their findings on the differential cross 微分截面 in a leading physics journal.

研究人员在一本领先的物理学期刊上发表了关于differential cross 微分截面的发现。

3.In high-energy physics, the differential cross 微分截面 is essential for predicting outcomes of collisions.

在高能物理中，differential cross 微分截面对于预测碰撞结果至关重要。

4.Calculating the differential cross 微分截面 helps physicists understand how particles behave under different conditions.

计算differential cross 微分截面有助于物理学家理解粒子在不同条件下的行为。

5.The experiment measured the differential cross 微分截面 of the scattering process to determine particle interactions.

实验测量了散射过程的differential cross 微分截面以确定粒子相互作用。

作文

In the field of physics, particularly in particle physics and quantum mechanics, the term differential cross refers to a specific measurement that describes how the likelihood of scattering events varies with respect to the angle of scattering. This concept is crucial for understanding interactions between particles, such as electrons, protons, and neutrons. The differential cross section provides insights into the fundamental forces at play during these interactions, allowing physicists to predict outcomes based on theoretical models. To elaborate, the differential cross section is defined mathematically as the ratio of the number of scattering events to the incident flux of particles, normalized to a solid angle. In simpler terms, it quantifies how many particles scatter into a particular angle per unit area of the target. This measurement is essential because it allows researchers to visualize and analyze scattering patterns, revealing details about the underlying physical processes.For example, when high-energy particles collide, they can scatter off each other, resulting in various angles and energy distributions. By measuring the differential cross section, scientists can determine the probability of particles being scattered at specific angles, which is vital for constructing accurate models of particle interactions. In experimental settings, obtaining the differential cross section involves detecting scattered particles and analyzing their distribution. Detectors measure the intensity and angle of the scattered particles, and from this data, researchers can compute the differential cross section. This process requires precision and accuracy, as even small errors can lead to significant discrepancies in the results. Moreover, the differential cross section is not only relevant in particle physics but also plays a role in other fields such as nuclear physics and astrophysics. In nuclear reactions, for instance, understanding the differential cross section helps scientists predict the behavior of nuclear particles under various conditions. Similarly, in astrophysics, it aids in understanding phenomena like cosmic ray interactions with interstellar matter. The implications of studying the differential cross section extend beyond theoretical research; they have practical applications in technology and industry as well. For example, advancements in radiation therapy for cancer treatment rely on precise measurements of scattering to optimize dose delivery to tumors while minimizing damage to surrounding healthy tissue. In conclusion, the concept of differential cross is a fundamental aspect of modern physics that enhances our understanding of particle interactions. By providing a detailed picture of how particles scatter at different angles, it enables physicists to refine their theories and develop new technologies. As research progresses, the importance of the differential cross section will continue to grow, paving the way for discoveries that could reshape our understanding of the universe.

在物理学，特别是粒子物理学和量子力学领域，短语differential cross指的是一个特定的测量，描述了散射事件的可能性如何随散射角度的变化而变化。这个概念对于理解粒子之间的相互作用至关重要，例如电子、质子和中子。differential cross截面提供了对这些相互作用中基本作用力的深入洞察，使物理学家能够根据理论模型预测结果。更具体地说，differential cross截面在数学上定义为散射事件的数量与入射粒子的通量之比，归一化到一个立体角。简单来说，它量化了每单位目标面积内有多少粒子散射到特定角度。这一测量至关重要，因为它使研究人员能够可视化和分析散射模式，从而揭示潜在物理过程的细节。例如，当高能粒子碰撞时，它们可以相互散射，导致不同的角度和能量分布。通过测量differential cross截面，科学家可以确定粒子在特定角度散射的概率，这对于构建粒子相互作用的准确模型至关重要。在实验环境中，获取differential cross截面涉及检测散射粒子并分析其分布。探测器测量散射粒子的强度和角度，根据这些数据，研究人员可以计算出differential cross截面。这个过程需要精确和准确，因为即使是小错误也可能导致结果的显著差异。此外，differential cross截面不仅在粒子物理学中相关，还在核物理学和天体物理学等其他领域发挥作用。例如，在核反应中，理解differential cross截面帮助科学家预测核粒子在各种条件下的行为。同样，在天体物理学中，它有助于理解宇宙射线与星际物质的相互作用等现象。研究differential cross截面的意义不仅限于理论研究；它在技术和工业中也具有实际应用。例如，癌症治疗中的辐射疗法的进步依赖于对散射的精确测量，以优化对肿瘤的剂量输送，同时最小化对周围健康组织的损害。总之，differential cross的概念是现代物理学的一个基本方面，增强了我们对粒子相互作用的理解。通过提供粒子在不同角度散射的详细图像，它使物理学家能够完善他们的理论并开发新技术。随着研究的进展，differential cross截面的重要性将继续增长，为可能重塑我们对宇宙理解的发现铺平道路。