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# Intro_9 - p ≈ 938.2796 MeV/c 2 1.007276 AMU n ≈...

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PHY4604 R. D. Field Department of Physics Intro_9.doc University of Florida Units: Mass, Energy, Momentum Energy: 1 eV 1.6022×10 -19 Joules 1 MeV 1.6022×10 -13 Joules 1 MeV = 10 6 eV 1 GeV = 1,000 MeV = 10 9 eV 1 TeV = 1,000 GeV = 10 12 eV Define a “human unit” as follows: 1 hu = 150 Watts × 1 hour 5.4×10 5 Joules 3.38×10 18 MeV Mass: 1 AMU = 1/12 the mass of a Carbon-12 atom 1 AMU 1.66054×10 -27 kg 931.5016 MeV/c 2 1 MeV/c 2 1.783×10 -30 kg 0.0010735 AMU Particle Rest Mass Rest Mass e - 0.511 MeV/c 2 0.0005486 AMU µ - 105.66 MeV/c 2 0.113430 AMU π 0 134.96 MeV/c 2 0.144884 AMU π + 139.57 MeV/c 2 0.149833 AMU
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Unformatted text preview: p ≈ 938.2796 MeV/c 2 1.007276 AMU n ≈ 939.5731 MeV/c 2 1.008665 AMU 1 H 1 ≈ 938.7906 MeV/c 2 1.007825 AMU 4 He 2 3.728431 GeV/c 2 4.002603 AMU 12 C 6 11.17802 GeV/c 2 12 AMU 16 O 8 14.89929 GeV/c 2 15.994915 AMU 197 Au 79 183.4747 GeV/c 2 196.9665 AMU Momentum: Momentum is expressed in units of MeV/c. Summary: The units of E are MeV. The units of cp are MeV. The units of m c 2 are MeV. 2 2 2 2 ) ( ) ( c m cp E + = Electron-Volt Atomic Mass Unit For atoms I use the notation: A Atom Z where A = atomic mass number (N p +N n ) Z = atomic number (N p =N e )...
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