“charm”的概念、定义、习题解题方法及翻译-物理辞典

单词	charm
释义	charm A property of certain elementary particles that is expressed as a quantum number (see atom) and is used in the quark model. It was originally suggested to account for the unusually long lifetime of the psi particle. In this theory the three original quark-antiquark pairs were supplemented by a fourth pair – the charmed quark and its antiquark. The psi particle itself is a meson having zero charm as it consists of the charmed pair. However, charmed hadrons do exist; they are said to possess naked charm . Charm is thought to be conserved in strong and electromagnetic interactions
随便看	peta- pewter Pfund series pH pH scale phase phase angle phase diagram phase modulation phase rule phase space phase speed phase transition phase-contrast microscope phases of the moon phasor phlogiston theory phon phonon phosphor bronze phosphorescence phot photino photocathode photocell

物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。