gamma lifetime

简明释义

线跃迁寿命

英英释义

例句

1.The measurement of the gamma lifetime 伽马寿命 is crucial for understanding nuclear decay processes.

对伽马寿命 gamma lifetime的测量对于理解核衰变过程至关重要。

2.The gamma lifetime 伽马寿命 can be affected by environmental factors such as temperature and pressure.

环境因素如温度和压力会影响伽马寿命 gamma lifetime。

3.Researchers found that the gamma lifetime 伽马寿命 of the excited state was shorter than previously thought.

研究人员发现激发态的伽马寿命 gamma lifetime比以前认为的要短。

4.In particle physics, knowing the gamma lifetime 伽马寿命 helps in predicting the behavior of particles.

在粒子物理学中，了解伽马寿命 gamma lifetime有助于预测粒子的行为。

5.The experiment aimed to precisely measure the gamma lifetime 伽马寿命 of a specific isotope.

实验旨在精确测量特定同位素的伽马寿命 gamma lifetime。

作文

In the field of nuclear physics and quantum mechanics, the term gamma lifetime refers to the duration of time during which a gamma photon is emitted from a nucleus after it has undergone a transition from a higher energy state to a lower one. This concept is crucial for understanding various phenomena in both theoretical and applied physics. The gamma lifetime is typically measured in nanoseconds or microseconds, depending on the specific isotope and its energy levels. Gamma radiation is a form of electromagnetic radiation with a very short wavelength, and it is often produced in radioactive decay processes. When an unstable nucleus releases energy, it can do so in the form of gamma rays, which are highly penetrating and can pass through most materials. The gamma lifetime is a key factor in determining how quickly this energy is released and how it interacts with the surrounding environment.One important application of understanding gamma lifetime is in the field of medical imaging, particularly in positron emission tomography (PET) scans. In this technique, a radioactive tracer is introduced into the body, and as it decays, it emits gamma photons. By measuring the gamma lifetime and the distribution of these emissions, doctors can create detailed images of metabolic processes within the body. This helps in diagnosing diseases, monitoring treatment effectiveness, and conducting research into various health conditions.Moreover, the study of gamma lifetime extends beyond medical applications. It plays a significant role in astrophysics, where gamma-ray bursts are among the most energetic events observed in the universe. Understanding the gamma lifetime of the emitted radiation can help scientists learn more about the mechanisms behind these powerful explosions and the conditions of the environments in which they occur.Another area where gamma lifetime is significant is in the development of nuclear reactors and safety protocols. The ability to predict the behavior of gamma emissions allows engineers and safety officials to design better shielding and containment systems, ensuring that both the public and the environment remain protected from harmful radiation. Furthermore, research into gamma lifetime can also contribute to advancements in nuclear medicine, where precise measurements of radioactive decay times can lead to the development of new diagnostic tools and therapies. For instance, by knowing the gamma lifetime of certain isotopes, researchers can enhance the effectiveness of radiotherapy treatments for cancer patients, targeting tumors more accurately while minimizing damage to surrounding healthy tissues.In conclusion, the concept of gamma lifetime is pivotal in multiple scientific domains, ranging from medical imaging to astrophysics and nuclear safety. Its implications are far-reaching, affecting both our understanding of fundamental physical processes and practical applications that improve human health and safety. As research continues to advance, the significance of gamma lifetime will likely grow, leading to new discoveries and technologies that harness the power of gamma radiation for beneficial purposes.

在核物理和量子力学领域，术语gamma lifetime指的是在核从较高能态过渡到较低能态后，发射伽马光子的持续时间。这个概念对于理解理论物理和应用物理中的各种现象至关重要。gamma lifetime通常以纳秒或微秒为单位进行测量，具体取决于特定同位素及其能级。伽马辐射是一种波长非常短的电磁辐射，通常在放射性衰变过程中产生。当不稳定的原子核释放能量时，可以通过伽马射线的形式释放这些能量，这些射线具有很强的穿透能力，可以穿透大多数材料。gamma lifetime是决定这种能量释放速度及其与周围环境相互作用的关键因素。理解gamma lifetime的一个重要应用是在医学成像领域，尤其是在正电子发射断层扫描（PET）中。在这种技术中，将放射性示踪剂引入体内，随着其衰变，释放出伽马光子。通过测量gamma lifetime及这些发射的分布，医生可以创建详细的身体代谢过程图像。这有助于诊断疾病、监测治疗效果，以及进行各种健康状况的研究。此外，gamma lifetime的研究超越了医学应用。它在天体物理学中也起着重要作用，其中伽马射线暴是宇宙中观察到的最具能量的事件之一。理解所发射辐射的gamma lifetime可以帮助科学家进一步了解这些强大爆炸背后的机制以及它们发生的环境条件。gamma lifetime在核反应堆开发和安全协议中也显得尤为重要。预测伽马辐射行为的能力使工程师和安全官员能够设计更好的屏蔽和封闭系统，确保公众和环境免受有害辐射的影响。此外，对gamma lifetime的研究还可以促进核医学的发展，其中对放射性衰变时间的精确测量可以导致新的诊断工具和疗法的开发。例如，通过了解某些同位素的gamma lifetime，研究人员可以提高癌症患者放射治疗的有效性，更准确地靶向肿瘤，同时最小化对周围健康组织的损害。总之，gamma lifetime的概念在多个科学领域中都是至关重要的，从医学成像到天体物理学和核安全。它的影响深远，不仅影响我们对基本物理过程的理解，还影响改善人类健康和安全的实际应用。随着研究的不断推进，gamma lifetime的重要性可能会不断增长，导致新的发现和技术的发展，利用伽马辐射的力量带来积极的成果。