In reply to JonesBeene's message of Sat, 29 Sep 2018 19:16:14 -0700: Hi, [snip] > >Robin, > >Pions have such a short lifetime, does any reaction really matter ?
If the target is close enough to the source (cm's), then they may be put to good use? > > > >From: [email protected] > >Hi, > >I got all these reactions wrong, and nobody said anything! :) > >Pi+ + 128I -> 128Xe stable. >Pi+ + 137Cs -> 137Ba Stable. >Pi+ + 90Sr (HL = 29 years)-> 90Y (HL = 2.67 days) -> 90Zr stable. >Pi+ + 129I -> 129Xe stable. > > >>E.g. Pi+ + 128I -> I127. I127 is stable. >> Pi+ + 137Cs (HL = 30 y) -> 136Cs (HL = 13 days -> 136Ba which is stable). >> Pi+ + 90Sr (HL = 29 y) -> 89 Sr (HL = 50 days -> 89 Y which is stable). > > >Regards, > > >Robin van Spaandonk > >local asymmetry = temporary success > Regards, Robin van Spaandonk local asymmetry = temporary success
