Giorgio Comitini's user avatar
Giorgio Comitini's user avatar
Giorgio Comitini's user avatar
Giorgio Comitini
  • Member for 8 years, 5 months
  • Last seen more than a week ago
  • Catania, CT, Italy
5 votes
1 answer
1k views

Representations of SO(3) and the classification of relativistic massive particles as in Weinberg's "The Quantum Theory of Fields"

3 votes
1 answer
121 views

Strong causality in Choquet-Bruhat's "GR and the Einstein Equations"

2 votes
0 answers
61 views

Spin of quasi-particles in a Fermi Liquid à la Landau

2 votes
1 answer
383 views

Callan-Symanzik equation for the QCD scattering cross section of the $e^{-}e^{+}\to q\bar{q}$ process

2 votes
1 answer
2k views

Direct vs. indirect CP violation: theoretical foundations

2 votes
1 answer
320 views

Am I understanding correctly the argument that leads to the need for field and mass renormalization?

1 vote
0 answers
35 views

Is Blatt-Weisskopf's treatment of nuclear forces still relevant today?

1 vote
0 answers
631 views

Fermi's theory of beta decay - Does Fermi's Hamiltonian have the wrong transformation properties?

1 vote
0 answers
65 views

To which extent is the treatment of nuclear multipole radiation by the means of a classical electromagnetic field valid?

1 vote
1 answer
245 views

Where does the square root of two in the conversion between the Fermi constant and the weak coupling constant come from?