Μ氦原子

μ氦原子，是将氦原子里的一个电子用μ子取代，从而形成一种特殊的原子，这种原子属于奇异原子。一般化学符号写作^4.1H或Heμ。由于μ子的质量远大于电子，其概率密度分布上会更靠近原子核很多，使得原子的层级分布应该为1μs¹1s¹的结构，使得其性质将会和氢原子比较相近，故有记作^4.1H的写法。通过KIE效应和理论计算等方法，证实了其确实具有和H基本相似的性质，可以被看成是H的一种重同位素。^[1]

μ氦原子的分子

化學式	說明
HeμH	氢化μ氦，可通过单原子与氢气或甲烷得到^[2]^[1]

參見

参考资料

^ ^1.0 ^1.1 Fleming, Donald G.; Arseneau, Donald J.; Sukhorukov, Oleksandr; Brewer, Jess H.; Mielke, Steven L.; Schatz, George C.; Garrett, Bruce C.; Peterson, Kirk A.; Truhlar, Donald G. Kinetic Isotope Effects for the Reactions of Muonic Helium and Muonium with H₂. Science. 2011-01-28, 331 (6016): 448–450. ISSN 0036-8075. doi:10.1126/science.1199421.
^ Arseneau, Donald J.; Fleming, Donald G.; Li, Yongle; Li, Jun; Suleimanov, Yury V.; Guo*, Hua. Rate Coefficient for the 4Heμ + CH4 Reaction at 500 K: Comparison between Theory and Experiment. The Journal of Physical Chemistry B. 2015-10-20, 120 (8): 1641–1648. doi:10.1021/acs.jpcb.5b08368.

[4.1-1] 1.0 ^1.1 Fleming, Donald G.; Arseneau, Donald J.; Sukhorukov, Oleksandr; Brewer, Jess H.; Mielke, Steven L.; Schatz, George C.; Garrett, Bruce C.; Peterson, Kirk A.; Truhlar, Donald G. Kinetic Isotope Effects for the Reactions of Muonic Helium and Muonium with H₂. Science. 2011-01-28, 331 (6016): 448–450. ISSN 0036-8075. doi:10.1126/science.1199421.

[Physics_B-2] Arseneau, Donald J.; Fleming, Donald G.; Li, Yongle; Li, Jun; Suleimanov, Yury V.; Guo*, Hua. Rate Coefficient for the 4Heμ + CH4 Reaction at 500 K: Comparison between Theory and Experiment. The Journal of Physical Chemistry B. 2015-10-20, 120 (8): 1641–1648. doi:10.1021/acs.jpcb.5b08368.

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