Neutrons provide only partial shielding Short-range force (10-15 m) x FS = FC short-range factor Strong force mediated by new massive particles: mesons (ii) Mass of particles - from wave mechanics Wave eq for nuclear force eq E = hf Apply Panck’s eq de Broglie’s p= h/λ Solution : particle of mass m = hc/2πro (iii) Mass of particles - from Heisenberg Uncertainty Principle Solution : particle of mass m = hc/2πro Discovery of muons and pions (cosmic rays) (i) 1933-36: Heavy electrons in cloud chambers (Anderson and Neddermayer, Street and Stevenson)
Neutrons provide only partial shielding Short-range force (10-15 m) FS = FC x short-range factor Strong force mediated by new massive particles: mesons (ii) Mass of particles - from wave mechanics Wave eq for nuclear force Apply Panck’s eq E = hf de Broglie’s eq p= h/λ Solution : particle of mass m = hc/2πro (iii) Mass of particles - from Heisenberg Uncertainty Principle Solution : particle of mass m = hc/2πro Discovery of muons and pions (cosmic rays) (i) 1933-36: Heavy electrons in cloud chambers (Anderson and Neddermayer, Street and Stevenson)
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