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7mon
什么是“真空衰变”?“真空衰变”真能以光速毁灭整个宇宙吗?
“真空衰变”(Vacuum decay)是物理学家根据量子场论推测出的一种假说,有一种观点将其解读为:如果宇宙中的某一区域出现了“真空衰变”,那么 ...
Hosted on MSN
4mon
宇宙探索揭秘:质子真的会衰变吗?
尽管中子在孤立状态下已知会衰变,但质子看起来异常稳定。不过,某些理论模型表明,质子可能并非不可改变。 质子衰变的概念最早由安德烈·萨 ...
仪表网
9d
完全电离铊-205衰变测量为揭示太阳演化历史提供重要信息
太阳是地球生命的主要能量来源,通过核聚变过程产生巨大的能量。在这一过程中,太阳会释放出中微子,这些粒子为我们探索太阳内部动态提供了重要线索。尽管现代中微子探测器能够揭示太阳当前的活动情况,但太阳在数百万年间 (这一时间段内地球曾经历显著的气候变化)的稳定性仍是一个未解的科学难题。
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