Baby Astronaut Posted February 2, 2009 Share Posted February 2, 2009 If an antielectron touched a proton, it wouldn't result in annihilation, huh? Same deal with antiprotons snuggling up to neutrinos. (And in biology an antibody touching a body won't end up in annihilation. ) Link to comment Share on other sites More sharing options...
granpa Posted February 3, 2009 Share Posted February 3, 2009 no annihilation. one of the delta baryons even breaks down into a proton and positron (and some neutrinos I guess) Link to comment Share on other sites More sharing options...
Baby Astronaut Posted February 3, 2009 Author Share Posted February 3, 2009 My thought: matter + antimatter will result in annihilation, and subatomic particles + their "anti" counterparts result in annihilation. But is this the case only for the same type of a particle and its opposite? For example, proton and antiproton will annihilate. But proton and antineutron won't. Is this correct? Link to comment Share on other sites More sharing options...
Severian Posted February 4, 2009 Share Posted February 4, 2009 Is this correct? Yes, it has to be the particle's corresponding antiparticle for the annihilation to work. Link to comment Share on other sites More sharing options...
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