Chapter 44589(c)From (a),intercept ==ln.cpmbg0830.Thus,cpmcounts mincounts min08303402 10×e...(d)NR00033161417 100100965 10=××=×−−λλcpmEffcounts minminatomsejaf....P44.63(a)The reaction is 61145PmPr59141→+α(b)QM M M=−−=−−=PmPrMeVbg931 5144 912 744 4 002 603 140 907 648 931 52 32....(c)The alpha and daughter have equal and opposite momentappd=Epm=22Epmddd=22EEEEEpmmmmmdddddααtot=+=+=+=+=+=222212141141 497 2%. or2.26 MeV.This is carried away by the alpha.P44.64(a)If ∆Eis the energy difference between the excited and ground states of the nucleus of massM, and hfis the energy of the emitted photon, conservation of energy for the nucleus-photon system gives∆EhfEr=+.(1)Where Eris the recoil energy of the nucleus, which can be expressed as
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