Tagged Questions
0
votes
1answer
270 views
What is the relationship between the Higgs field and quarks?
I have some difficulty considering the relative size of each and the meaning behind the shape of Higgs boson. I ask relating to the structures of both the Higgs field and quarks. How is it that the ...
1
vote
1answer
102 views
Relating theta_QCD to neutron EDM
How do I relate the topological $\theta_\text{QCD}$ parameter to the electric dipole moment (EDM) of the neutron?
I am very familiar with chiral perturbation theory. I just need to know how to take ...
4
votes
2answers
150 views
How can a pion have a mass, given it's a “field mediator” and created/destroyed continuously?
Maybe some of my assumptions here are basically wrong, but isn't it true that
pion is the "mediator" for the strong force field.
the quantum field theory basically says that there are no fields, ...
1
vote
1answer
132 views
Particle mixing and indistinguishability
Neutral kaons have two flavor combinations: $\mathrm{d}\bar{\mathrm{s}}$ and $\mathrm{s}\bar{\mathrm{d}}$. They can also be weak eigenstates: $\mathrm{\frac{d\bar{s} \pm s\bar{d}}{\sqrt{2}}}$.
But ...
0
votes
2answers
207 views
What is the interaction with Higgs field(s) that give the quarks so much different masses?
The masses of quarks are:
mu 2∼3 MeV md 4∼6 MeV
mc 1.3 GeV ms 80∼130 MeV
mt 173 GeV mb 4∼5 GeV
2
votes
1answer
174 views
Why are the quarks so named?
Quarks have a variety of names (or flavours):
Up
Down
Strange
Charm
Bottom or Beauty
Top or Truth
Why do they have such odd names?