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ersbygre1
  • Member for 5 years, 11 months
  • Last seen more than a month ago
8 votes
Accepted

Why is it that the Callan-Gross relation predicts that quark has spin 1/2?

7 votes

Why is the momentum-space wavefunction for a free particle not a function of time?

6 votes

Divergence of a tensor product

6 votes

Trying to understand spin

5 votes
Accepted

Where do Feynman Diagrams Appear for the first time?

4 votes
Accepted

Srednicki LSZ reduction formula motivation once more

4 votes

How to find the possible measurements of a quantum system?

3 votes

Wavefunctions of (Pseudo)-scalar/vector meson and Tensor meson

2 votes
Accepted

Which mesons are possible?

2 votes
Accepted

Spin expectation values in Dirac theory

2 votes

$C$, $P$ and $CP$ in particle physics

2 votes

What is the definition of $\overleftrightarrow{\partial}$ in Dirac Lagrangian?

2 votes
Accepted

What does the $R$ stand for in $R_\xi$ gauge?

2 votes
Accepted

QM: Finite Potential Square Well Solved without Symmetry Assumption

2 votes
Accepted

Pure state before and after measurement

2 votes
Accepted

Why is $J/\psi$ not able to decay into $\pi^+\pi^-\pi^0$ (Ozi-rule)?

2 votes

Complex rabi frequency

2 votes
Accepted

Pion decay reaction and the invariance of momenta

2 votes
Accepted

Why does the parity of a meson have a "+1" in it?

2 votes
Accepted

How to deal with two-loop integrals in dimensional regularization?

1 vote

Chiral Symmetry and Charge Algebra

1 vote
Accepted

Dirac sea interpretation VS the Feynman-Stueckelberg interpretation for antiparticles

1 vote
Accepted

How to get equations of state by differentiating a thermodynamic potential?

1 vote

Decay process of pions

1 vote
Accepted

On the "spectrum" of an operator in quantum mechanics

1 vote
Accepted

Understanding the Coulomb term in the semi-empirical mass formula

1 vote

Why is $\Delta^0$ not decaying weakly?

1 vote
Accepted

Role of the Yukawa potential

1 vote

Asymptotic freedom and momentum exchange

1 vote

Main decay of $ J / \psi $