Muon & Mesons without Strange Quarks

http://en.wikipedia.org/wiki/Muon

Muon decays

宇宙的六個神奇數字
Just six numbers : the deep forces that shape the universe
(原文作者：Martin Rees)
(譯者：丘宏義)

量子重力
Three Roads to Quantum Gravity
(原文作者：Lee Smolin)
(譯者：丘宏義)

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