problem43_51

problem43_51 - A 43.51: Z X z + Z - 1 Y ( Z -1) + + +...

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Unformatted text preview: A 43.51: Z X z + Z - 1 Y ( Z -1) + + + Adding (Z 1) electron to both sides yields A A + + Z X Z -1 Y + So in terms of masses: A A m = M Z X + - M Z -1 Y - me A ( ( X) - m ) - M ( Y) - m = M ( X) - M ( Y ) - 2m . = M A Z e A Z -1 A Z A Z -1 e ( ) ( ) e So the decay will occur as long as the original neutral mass is greater than the sum of the neutral product mass and two electron masses. ...
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