d) Beta-decay

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9 Terms

1
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  • beta-minus decay


  • a neutron decays into

    • a proton

    • an electron

    • and an electron anti-neutrino


2
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  • beta-minus nucleon equation



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3
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  • beta-plus decay


  • a proton decays into

    • a neutron

    • a positron

    • and an electron neutrino


4
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  • beta-plus nucleon equation


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5
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  • beta-minus decay in terms of quarks


  • an down quark in a neutron becomes an up quark

  • while an electron and an electron anti-neutrino are emitted


6
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  • beta-minus decay equation in terms of quarks


  • d → u + 0 -1 e + vbar e


7
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  • beta-plus decay in terms of quarks


  • an up quark in a proton becomes a down quark

  • while a positron and an electron neutrino are emitted


8
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  • beta-plus decay equation in terms of quarks


  • u → d + 0 +1 e + v e


9
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  • the conserved quantities in beta decay


  • nucleon number

  • proton number

  • charge