A Little Mass Goes a Long Way

PETER WEISS

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A Little Mass Goes a Long Way

机译：一点弥撒走很长的路

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Aging particle physicists can relive the 1960s without squeezing into old bell-bottoms or blaring dusty Jimi Hendrix albums. Who needs mass protests to feel alive when neutrino mass may be sparking an upheaval in particle physics unlike anything seen since the Vietnam War era? Until last year, the possibility that the wispy neutrino—a barely detectable subatomic particle—has some substance was considered intriguing but speculative. The standard model of physics, which accounts for elementary particles and the forces that act between them, holds that neutrinos have no mass. Evidence of neutrino mass would pose the first real challenge to the model, which has existed in roughly its current form since the late 1970s.

机译：衰老的粒子物理学家可以重温1960年代，而不必陷入旧的钟声或吹嘘尘土飞扬的Jimi Hendrix专辑。当中微子质量可能引发粒子物理剧变（不同于越南战争时期以来的情况）时，谁需要群众抗议来使人活着？直到去年，这种稀疏的中微子（一种几乎无法检测到的亚原子粒子）中含有某种物质的可能性一直被认为很有趣，但却是推测性的。解释基本粒子及其之间作用力的物理学标准模型认为，中微子没有质量。中微子质量的证据将对该模型提出第一个真正的挑战，该模型自1970年代末以来大致以其当前形式存在。

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《Science News》 |1999年第5期|p.76-78|共3页
作者
PETER WEISS;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类自然科学总论;
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A Little Mass Goes a Long Way

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