Quantum

What is a “Complete Basis”

What is a “Spin Flip”

What is Rabi’s Formula

Formula for the probability of a Spin Flip.

What is neutreno mixing neutrino oscillation

A quantum phenomenon where neutrinos change from one type to another as they travel. (i.e. v_e ← → v_μ)

What is the Beta Decay Problem?

In beta decay, the electron’s continuous energy spectrum suggested energy and momentum weren’t conserved in n → p + e⁻. Pauli resolved this by postulating the neutrino, completing the scheme n → p + e⁻ + ν̅ₑ.

What are mass eigenstates.

Eigenstates of the Hamiltonian that act on neutrinos as they propagate through free space that correspond to the neutrino masses. (v_e, v_μ)

What is a Hamiltonian

The operator corresponding to the total energy of a system, used to describe the evolution of a quantum state in time.

1. Hermitian (equal to it’s transposed complex conjugate ie “dagger”)

2. It has real eignvalues

3. Represents an observable (energy)