pair creation

简明释义

电子 空穴对产生

英英释义

例句

1.During the pair creation event, a photon can produce an electron and a positron.

在对生成事件中，一个光子可以产生一个电子和一个正电子。

2.The experiment demonstrated how pair creation can be observed in high-energy collisions.

实验演示了如何在高能碰撞中观察到对生成。

3.The process of pair creation in particle physics involves the generation of particle-antiparticle pairs.

在粒子物理学中，对生成的过程涉及粒子-反粒子对的生成。

4.The concept of pair creation is fundamental to understanding black hole thermodynamics.

理解黑洞热力学的基本概念是对生成。

5.In quantum field theory, pair creation can occur when energy is converted into mass.

在量子场论中，当能量转化为质量时，可能会发生对生成。

作文

In the realm of particle physics, the concept of pair creation refers to the process by which energy is converted into a particle-antiparticle pair. This phenomenon is a fundamental aspect of quantum mechanics and illustrates the profound relationship between energy and matter. When high-energy photons collide with a nucleus or another particle, they can produce a pair of particles, such as an electron and its antiparticle, a positron. This process not only demonstrates the principles of conservation of energy and momentum but also highlights the intriguing nature of the universe at its most elementary level. The discovery of pair creation has been pivotal in advancing our understanding of particle interactions and has significant implications for various fields, including cosmology and high-energy physics. For instance, during the early moments of the Big Bang, it is believed that the universe was so hot and dense that pair creation occurred frequently, leading to the formation of matter as we know it. Moreover, this phenomenon can be observed in particle accelerators, where scientists intentionally create conditions that allow pair creation to occur, enabling them to study the properties and behaviors of particles in greater detail. The implications of pair creation extend beyond theoretical physics; they also play a crucial role in technologies such as positron emission tomography (PET) scans, which are used in medical imaging. By understanding how pair creation works, researchers can develop better diagnostic tools and treatments for various diseases. In summary, pair creation is not just a mere scientific curiosity; it is a vital process that underpins much of modern physics and has practical applications that benefit society. As we continue to explore the mysteries of the universe, the study of pair creation will undoubtedly remain an essential area of research, shedding light on the fundamental workings of nature and the fabric of reality itself.

在粒子物理学领域，对偶产生的概念指的是能量转化为粒子-反粒子对的过程。这一现象是量子力学的基本方面，展示了能量与物质之间深刻的关系。当高能光子与原子核或其他粒子碰撞时，它们可以产生一对粒子，例如电子及其反粒子正电子。这个过程不仅展示了能量和动量守恒的原则，还突显了宇宙在其最基本层面的迷人性质。对偶产生的发现对于推动我们对粒子相互作用的理解至关重要，并对包括宇宙学和高能物理学在内的多个领域具有重要意义。例如，在大爆炸的早期时刻，宇宙被认为是如此炎热和密集，以至于对偶产生频繁发生，导致了我们所知的物质的形成。此外，这一现象可以在粒子加速器中观察到，科学家故意创造允许对偶产生发生的条件，使他们能够更详细地研究粒子的性质和行为。对偶产生的影响不仅限于理论物理；它们在诸如正电子发射断层扫描（PET）等技术中也发挥着关键作用，这些技术用于医学成像。通过理解对偶产生的工作原理，研究人员可以开发出更好的诊断工具和治疗方案，以应对各种疾病。总之，对偶产生不仅仅是一个科学好奇心；它是现代物理学的基础过程之一，并且具有有益于社会的实际应用。随着我们继续探索宇宙的奥秘，对偶产生的研究无疑将继续成为一个重要的研究领域，揭示自然的基本运作方式以及现实本身的结构。