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Positron attachment to the He doubly excited states
Positron attachment the He doubly excited states
2012/2/28
The projection method is used to demonstrate the existence of positron attachment to three doubly excited states of helium. The e+He(2s2 1Se), e+He(3s2 1Se), and the e+He(2s2p 3Po) states have binding...
Positron annihilation in the MuPs system
Positron annihilation the MuPs system Atomic Physics
2011/8/17
Abstract: The life-time of the four-body atomic system MuPs ($\mu^{+} e^{-}_2 e^{+}$ or muonium-positronium) against positron annihilation has been evaluated as $\tau = \frac{1}{\Gamma} \approx 4.0763...