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Nuclear Physics Study. 2009/08/01 Grass. From CERN, Summer Student Program 2005. Do you recognize me?. Do you recognize me?. http://www.lbl.gov/abc/wallchart/index.html. Strong v.s . Electromagnetic. Radioactivity. b - decay: n p + e - + n
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Nuclear Physics Study 2009/08/01 Grass From CERN, Summer Student Program 2005
Radioactivity b- decay: n p + e- + n b+ decay: p n + e+ + n (e.g., 14O814N7 + e+ + n) a decay: (e.g., 238U8234Th90 + 4He2 )
Capture Process 3a reaction : a+a+a12C ap process : 14O+a 17F+p 18Ne 18Ne+a ... Proton capture Neutron capture
The Liquid Drop Model • Their interior densities are the same • Their heats of vaporization are proportional to their masses.
Magic number See the movie…
Shell Model • the nuclear shell model is a model of the atomic nucleus which uses the Pauli exclusion principle to describe the structure of the nucleus in terms of energy levels.
NucleosynthesisPaths X-ray Burster Super-nova
The S-process acting in the range from Ag to Sb. http://en.wikipedia.org/wiki/S-process