Sumários

The semi-empirical mass formula and nuclear stability

13 março 2020, 11:00 • Alfred Stadler

As a consequence of the suspension of all classes with direct contact between students and teachers at IST, this class was not held.

The semi-empirical mass formula and nuclear stability

11 março 2020, 10:00 • Alfred Stadler

As a consequence of the suspension of all classes with direct contact between students and teachers at IST, this class was not held.

What determines nuclear binding?

6 março 2020, 11:00 • Alfred Stadler

Alternative experimental methods to measure the nuclear charge radius (cont.): The  Coulomb energy differences of mirror nuclei. Methods for measuring the nuclear matter distribution. The proton radius puzzle. 

I.5 The semi-empirical mass formula.
The liquid drop model. The volume, surface, Coulomb, and asymmetry terms and their origins.

(Krane, ch. 3 -- except proton radius puzzle)

Measuring the nuclear charge radius

4 março 2020, 10:00 • Alfred Stadler

The relation between the charge form factor and the rms charge radius. Conclusions from the results of elastic electron scattering from nuclei. The simple relation between nuclear radius and mass number. The Fermi charge distribution.

Alternative experimental methods to measure the nuclear charge radius: K X-ray isotope shifts. Isotope shifts in optical transitions. Isotope shifts in muonic K X-rays.

(Krane, ch. 3)

Scattering from point charges and charge distributions

28 fevereiro 2020, 11:00 • Alfred Stadler

Binding energy per nucleon and the principles of liberating energy through nuclear fission and nuclear fusion.


I.4 Nuclear radii. 
Determination of nuclear charge distribution through scattering with electromagnetic probes.Summary of results from quantum scattering.The Born approximation. Derivation of the Rutherford cross section using the Born approximation. Coulomb scattering from a charge distribution. Factorisation of the differential cross section into a point-like cross section and a form factor describing the structure.

(Krane, ch. 3)