. Using conservation of energy and momentum, show that the positron and electron cannot annihilate into one photon.
. Using conservation of energy and momentum, show that the positron and electron cannot annihilate into one photon.
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question no 3
Transcribed Image Text:2. Obtain the threshold energy for the reactions,
(i) 20°Bi (p, d) Bi
83
(ii) Al (a, p) P
3. Using conservation of energy and momentum, show that the positron and electron cannot annihilate into one
photon.
Write short note on following: (i) isosnin ii) strangeness (iii) Charm (iv) Quark and confinement
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