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0 votes
1 answer
90 views

How do scientists attempt to break quark confinement?

From what I understand, when energy is supplied to quarks, it elongates the gluon tube and when enough energy is put in, new quarks are formed, keeping quark confinement. However, I am inquisitive ...
Jungwoon Song's user avatar
0 votes
0 answers
41 views

Does the scattering data, in any way, justify the simplistic picture of hadrons? [duplicate]

The structure of the neutron or the proton is extremely complicated. It is not a simple bound state of three valence quarks. However, the simplified picture allows us to explain various properties of ...
Solidification's user avatar
1 vote
2 answers
154 views

The ratio of the Higgs and QCD condensate contribution to valence quark masses

According to https://en.wikipedia.org/wiki/Quark#Mass, the quarks have the following masses. I suppose these data in the table shows the valence quark masses, such that the uud valence three quark ...
ann marie cœur's user avatar
1 vote
2 answers
30 views

Understanding Jet Clustering: Why is only $p_{T}$ used?

Let's only consider iterative jet clustering algorithms. Famous ones are the $k_{T}$ ($p = 1$), anti-$k_{T}$ ($p = -1$) and Cambridge/Aachen ($p = 0$) jet reconstruction algorithms. All these ...
user avatar
6 votes
2 answers
3k views

What's jet multiplicity?

That's a basic thing, but, surprisingly, it is very difficult to find concise explanation of: What is the definition of jet multiplicity? Why is it interesting?
Kostya's user avatar
  • 20.1k
4 votes
1 answer
191 views

Where can I get the most accurate measurements of parton distribution functions?

Where would I look to get the most accurate experimental values of parton distribution functions for the proton? I know these functions aren't measured directly, but I'd basically like to find a fit ...
David Z's user avatar
  • 76.7k