And even light particles they can convert often bounce off them without ever hitting an electron.
即使它们可以转换的光粒子也经常从它们身上反弹,而非撞击到电子。
单词 | Light particle |
释义 |
Light particle
原声例句
双语版 TED-Ed 演讲精选 And even light particles they can convert often bounce off them without ever hitting an electron. 即使它们可以转换的光粒子也经常从它们身上反弹,而非撞击到电子。 双语版 TED-Ed 演讲精选 Solar panels work when light particles hit their surface with enough energy to knock electrons out of their stable bonds. 当光子撞击在电板表面的能量足够大时,太阳能电池板就会工作,将电子从其稳定的连接中敲出。 TED-Ed(视频版) This is because they decay very quickly into the lighter particles. 这是因为它们会很快衰变成较轻的粒子。 TED-Ed(视频版) All eyes, whether nocturnal or not, depend on photoreceptors in the retina to detect light particles, known as photons. 所有的眼睛, 无论是否在夜间,都依赖于视网膜中的光感受器来检测光粒子,即光子。 生活大爆炸 第5季 Topic one: Faster than light particles at CERN paradigm shifting discovery or another Swiss export as full of holes as their cheese? And converse. 第一个话题 欧洲核子研究中心宣布超光速离子的存在这是范式转换的新发现 还是像它们的乳酪一样千疮百孔的笑谈 开始高谈阔论吧。 6 Minute English 六分钟英语 The energy needed for plants to grow is contained in photons, or light particles, travelling at different wavelengths-distances between light waves which make things look different colours. 植物生长所需的能量包含于光子中——或者说光粒子,它们以特定的波长——光波之间的距离,使得事物看上去有不同颜色——运动。 经济学人 Science and technology The lhcb team has spent the best part of a decade measuring how subatomic particles known as b mesons decay into lighter particles. lhcb 团队花了十年的大部分时间来测量称为 b 介子的亚原子粒子如何衰变成更轻的粒子。 6 Minute English 六分钟英语 The energy needed for plants to grow is contained in photons – or light particles, travelling at different wavelengths – distances between light waves which make things look different colours. 植物生长所需要的能量包含在光子或光粒子中,它们以不同的波长传播——波长是指光波之间的距离,它使事物呈现出不同的颜色。 时间简史(原版) By then all the stars will have burned out and the protons and neutrons in them will probably have decayed into light particles and radiation. 到那时所有的恒星都会燃烧殆尽,其中的质子和中子可能会衰变成轻粒子和辐射。 经济学人 Science and technology The FASER detector at the LHC, which began collecting data in 2022, is designed to detect extremely light dark-matter particles, such as dark photons, that might be produced in collisions at the LHC. 大型强子对撞机的FASER探测器于2022年开始收集数据,旨在探测可能在大型强子对撞机碰撞中产生的极轻暗物质粒子,例如暗光子。
中文百科
光子 Photon(重定向自Light particle)
![]() ![]() ![]() ![]() 光子(Photon)是一种基本粒子,是电磁辐射的量子。在量子场论里是负责传递电磁力的力载子。这种作用力的效应在微观层次或宏观层次都可以很容易地观察到,因为光子的静止质量为零,它可以移动至很远距离,这也意味着它在真空中的传播速度是光速。如同其它微观粒子,光子具有波粒二象性,能够展现出波动性与粒子性。例如,它能在双缝实验里展示出波动性,也能在光电效应实验里展示出粒子性。 阿尔伯特·爱因斯坦在1905年至1917年间发展出光子的现代概念,这是为了解释一些与光的古典波动模型不相符合的实验结果。当时被普遍接受的经典电磁理论,尽管能够论述关于光是电磁波的概念,但是无法正确解释黑体辐射与光电效应等实验现象。半古典理论在麦克斯韦方程组的框架下将物质吸收光和发射光所涉及的能量量子化,而行进的光波仍采古典方法处理;如此可对黑体辐射的实验结果做出合理解释。爱因斯坦的主张与普朗克的半古典理论明显不同,他提出光本身就是量子化的概念,当时爱因斯坦称之为「光量子」(英语:light quantum)。虽然半古典理论对于量子力学的初始发展做出重大贡献,从于1923年观测到的电子对於单独光子的康普顿散射开始,更多的实验证据使爱因斯坦光量子假说得到充分证实。由于这关键发现,爱因斯坦于1921年获颁诺贝尔物理学奖。
英语百科
Photon 光子(重定向自Light particle)
![]() ![]() ![]() ![]() A photon is an elementary particle, the quantum of all forms of electromagnetic radiation including light. It is the force carrier for electromagnetic force, even when static via virtual photons. The photon has zero rest mass and as a result, the interactions of this force with matter at long distance are observable at the microscopic and macroscopic levels. Like all elementary particles, photons are currently best explained by quantum mechanics but exhibit wave–particle duality, exhibiting properties of both waves and particles. For example, a single photon may be refracted by a lens and exhibit wave interference with itself, and it can behave as a particle with definite and finite measurable position and momentum. The photon's wave and quanta qualities are two observable aspects of a single phenomenon, and cannot be described by any mechanical model; a representation of this dual property of light, which assumes certain points on the wavefront to be the seat of the energy, is not possible. The quanta in a light wave cannot be spatially localized. Some defined physical parameters of a photon are listed. |
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