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The Feynman Diagram Shows the Weak Interaction of a Neutrino

question 32

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The Feynman diagram shows the weak interaction of a neutrino (ν) and a neutron (n) , mediated by a W+ particle. The interaction produces an electron (e-) and another particle. What is the other particle? The Feynman diagram shows the weak interaction of a neutrino (ν)  and a neutron (n) , mediated by a W<sup>+</sup> particle. The interaction produces an electron (e<sup>-</sup>)  and another particle. What is the other particle?   FIGURE 43-2   A) a positron (e<sup>+</sup>)  B) a pion (π<sup>+</sup>)  C) a proton (p)  D) a quark E) an anti-neutron FIGURE 43-2


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