Why is there a 1919 photo of a silent movie star on my blog? I was watching TV just now. There was an advertisement for one odd thing or another. It abused a song that caught my attention. It was easy to recognize the singer, Cat Stevens, but I was sure it wasn’t on any [...]
Entries from August 2009
August 25, 2009
Uncertain Spin
I’m releasing two papers that relate Heisenberg’s uncertainty principle, spin-1/2, the generations of elementary fermions, their masses and mixing matrices, and their weak quantum numbers. I haven’t blogged anything about these because I’ve been so busy writing, but I should give a quick introduction to them.
Heisenberg’s uncertainty principle states that certain pairs of physical observables [...]
August 17, 2009
The Proton Spin Puzzle
For 20 years QCD has been unable to guess the structure of the most common stable hadron, the proton. This is exemplified in the “Proton Spin Puzzle.” A recent review article:
The proton spin puzzle: where are we today?
Steven D. Bass Invited Brief Review for Modern Physics Letters A, 17 pages
The proton spin puzzle has challenged [...]
