meson
简明释义
英[ˈmiːzɒn]美[ˈmiːˌzɑːn;ˈmeˌzɑːn]
n. [高能]介子;正中面
n. (Meson)人名;(西)梅松
英英释义
A meson is a subatomic particle composed of one quark and one antiquark, which participates in strong interactions. | 介子是一种由一个夸克和一个反夸克组成的亚原子粒子,参与强相互作用。 |
单词用法
π介子 | |
K介子 | |
介子衰变 | |
介子产生 |
同义词
反义词
重子 | 质子和中子是重子的例子。 | ||
轻子 | Electrons are a type of lepton that do not experience strong interactions. | 电子是一种不经历强相互作用的轻子。 |
例句
1.The 312 particles are held together in a nucleus by a force that involves the continuous exchange of meson-like particles called memo-ons.
12个粒子汇合与一个原子核里,连续不断的,叫做memo-ons的介子的交换给它作用力。
2.King Wen of Jin returned after being ministers, he forgets the meson to push.
晋文公归国为君后,分封群臣时却忘记了介子推。
3.To mark the man of integrity, and in the days of the meson to push the dead fire to cook, eat cold food, called the cold food festival.
为了纪念这位忠臣义士,于是在介子推死难之日不生火做饭,要吃冷食,称为寒食节。
4.In the framework of quarkonia-quarkonia mixing, considering the effect of the flavor-dependent transitions between quarkonia, the new mass relation of a meson nonet is presented.
摘要在介子-介子混合的框架下,考虑到夸克偶素间的湮灭跟味道有关这种效应,给出了一种新的介子九重态成员间的质量关系。
5.Freshwater pearl ring, small wholesale promotions, meson meson, from 100 approved, welcome to order!
淡水珍珠介指,小额批发促销,介子介子,起批100只,欢迎订货!
6.Rho meson gets quite much attention and is expected to carry information about the central fireball formed in the heavy ion collision, because its lifetime is shorter than that of the fireball.
介子由于其寿命小于碰撞中心区火球的寿命,可能反映高能重离子碰撞中心区的物质形态信息而被寄予厚望,受到广泛关注。
7.Strange meson production in heavy ion collisions has been studied.
我们研究了重离子碰撞中的奇异介子产生。
8.An elementary particle in the lepton family (not a meson), having a mass209 times that of the electron, a negative electric charge, and a mean lifetime of2.2? 0-6 second.
介子轻子族中的一种基本微粒(非介子),其质量为电子的209倍,是一种负电荷,平均寿命为2。
9.One of the most studied mesons 介子 is the pion, which plays a significant role in mediating the strong force.
最受研究的mesons 介子之一是π介子,它在介导强作用力方面发挥着重要作用。
10.Scientists use particle accelerators to create mesons 介子 for experimental purposes.
科学家们使用粒子加速器来产生mesons 介子以进行实验。
11.The meson 介子 family includes several types, such as pions and kaons.
meson 介子家族包括几种类型,例如π介子和K介子。
12.The discovery of the meson 介子 was crucial in understanding the strong force that binds protons and neutrons together.
对meson 介子的发现对于理解将质子和中子结合在一起的强作用力至关重要。
13.In particle physics, a meson 介子 is a type of hadron that is composed of one quark and one antiquark.
在粒子物理学中,meson 介子是一种由一个夸克和一个反夸克组成的强子。
作文
In the realm of particle physics, the study of fundamental particles and their interactions is crucial for understanding the universe. Among these particles, one significant category is known as the meson. A meson is a type of subatomic particle that is composed of one quark and one antiquark, making it a part of the broader family of hadrons. Hadrons are particles that experience the strong nuclear force, which is one of the four fundamental forces in nature. The existence of mesons helps physicists explore the complexities of the strong force and how it governs the behavior of particles at a subatomic level.The discovery of mesons dates back to the early 20th century, when scientists were trying to understand the forces that hold atomic nuclei together. In 1936, the first meson, called the pion, was proposed by the physicist Yukawa Hideki. He theorized that mesons acted as carriers of the strong force between nucleons (protons and neutrons) within the nucleus. This groundbreaking idea was later confirmed through experimental evidence, and it paved the way for further research into the properties and types of mesons.There are several types of mesons, each with unique characteristics. For instance, pions, kaons, and eta mesons are some of the most studied varieties. Pions, which come in three forms—positive, negative, and neutral—play a crucial role in mediating the strong force between nucleons. Kaons, on the other hand, are more complex due to their involvement in processes that violate certain symmetries in particle physics. These different mesons contribute to our understanding of particle interactions and the underlying principles that govern them.The study of mesons is not only important for theoretical physics but also has practical implications in various fields. For example, advancements in particle accelerators have allowed scientists to create and study mesons in controlled environments. This research has led to significant discoveries about the fundamental structure of matter and has implications for our understanding of the early universe, where such particles were abundant.Moreover, the properties of mesons can provide insights into the behavior of matter under extreme conditions, such as those found in neutron stars or during high-energy collisions in particle accelerators. By studying the decay patterns and interactions of mesons, researchers can test predictions made by the Standard Model of particle physics, which describes the electromagnetic, weak, and strong forces that govern particle interactions.In conclusion, mesons are a vital component of the subatomic world, serving as key players in the interactions that shape the universe. Their discovery and subsequent study have expanded our knowledge of particle physics and continue to inspire new research aimed at uncovering the mysteries of matter and energy. As we delve deeper into the properties and behaviors of mesons, we inch closer to answering fundamental questions about the nature of reality itself. Understanding mesons is not merely an academic pursuit; it is a step towards grasping the intricate tapestry of the cosmos that surrounds us.
在粒子物理学的领域中,研究基本粒子及其相互作用对于理解宇宙至关重要。在这些粒子中,有一个重要的类别被称为介子。介子是一种亚原子粒子,由一个夸克和一个反夸克组成,因此它是更广泛的强子家族的一部分。强子是经历强核力的粒子,而强核力是自然界四种基本力之一。介子的存在帮助物理学家探索强力的复杂性,以及它如何支配亚原子层面粒子的行为。介子的发现可以追溯到20世纪初,当时科学家们试图理解将原子核结合在一起的力量。1936年,物理学家汤川秀树提出了第一个介子,称为π介子。他理论上认为,介子作为强力的载体,在原子核内的核子(质子和中子)之间起着作用。这一突破性的想法后来通过实验证据得到证实,并为进一步研究介子的性质和类型铺平了道路。有几种类型的介子,每种都有独特的特性。例如,π介子、K介子和η介子是一些最常研究的种类。π介子有三种形式——正π介子、负π介子和中性π介子——在介导核子之间的强力方面发挥着关键作用。另一方面,K介子由于参与违反粒子物理学中某些对称性的过程而变得更加复杂。这些不同的介子有助于我们理解粒子相互作用及其背后的基本原理。对介子的研究不仅对理论物理学重要,而且在各个领域都有实际意义。例如,粒子加速器的进步使科学家能够在受控环境中创造和研究介子。这项研究导致了关于物质基本结构的重要发现,并对我们理解早期宇宙的原理产生了影响,因为在那个时期,这些粒子是丰富的。此外,介子的性质可以提供对极端条件下物质行为的见解,例如在中子星或粒子加速器中的高能碰撞中。通过研究介子的衰变模式和相互作用,研究人员可以检验粒子物理标准模型所做的预测,该模型描述了支配粒子相互作用的电磁力、弱力和强力。总之,介子是亚原子世界的重要组成部分,在塑造宇宙的相互作用中发挥着关键作用。它们的发现和随后的研究扩展了我们对粒子物理学的知识,并继续激励新的研究,旨在揭示物质和能量的奥秘。当我们更深入地探讨介子的性质和行为时,我们逐渐接近回答关于现实本质的基本问题。理解介子不仅仅是学术追求;这是理解环绕我们宇宙复杂织锦的一步。