NatureSir Norman Lockyer Macmillan Journals Limited, 2007 - Science |
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Page 153
... Positronium gets it together . a , In free space , two atoms of positronium ( each consisting of an electron and its antiparticle , the positron ) cannot combine to form a molecule - owing to their excess of energy , they simply fly ...
... Positronium gets it together . a , In free space , two atoms of positronium ( each consisting of an electron and its antiparticle , the positron ) cannot combine to form a molecule - owing to their excess of energy , they simply fly ...
Page 195
... positronium or Ps ( ref . 1 ) . In 1946 , Wheeler speculated that two Ps atoms may combine to form the di- positronium molecule ( Ps2 ) , with a binding energy of 0.4eV . More recently , this molecule has been studied theoretically3 ...
... positronium or Ps ( ref . 1 ) . In 1946 , Wheeler speculated that two Ps atoms may combine to form the di- positronium molecule ( Ps2 ) , with a binding energy of 0.4eV . More recently , this molecule has been studied theoretically3 ...
Page 197
... positronium . Our experiments suggest that a single - crystal quartz surface might be a good source of Ps2 molecules ... positronium molecule . Phys . Rev. 71 , 493-496 ( 1947 ) . Schrader , D. M. Symmetry of dipositronium Ps2 ...
... positronium . Our experiments suggest that a single - crystal quartz surface might be a good source of Ps2 molecules ... positronium molecule . Phys . Rev. 71 , 493-496 ( 1947 ) . Schrader , D. M. Symmetry of dipositronium Ps2 ...
Contents
Crinan St London N19XW | 4 |
can China beat the odds and save the Siberian tiger? News Feature p 16 96 Polo inhibits progenitor selfrenewal and regulates Numb | 96 |
An asteroid breakup 160 Myr ago as the probable source of DN Forthal P WHIParren PA Marx | 29 |
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