All Questions
Tagged with strong-force particle-physics
87
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How exactly does the strong interaction decrease with distance?
So, we all know that the strong force asymptotes but the thing is I've never gotten a good description as to why
Can someone explain;
How the Strong force weakens with distance? I think I have got ...
2
votes
1
answer
71
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How relevant is the electric charge of quarks within hadrons?
Given that each quark flavor has a particular electric charge (i.e., either +2/3 or -1/3): how do these charges effect the internal dynamics of hadrons? Do the attractive and repulsive effects of ...
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Kinetic energy of quarks in a proton
If we say that a proton has a kinetic energy of 50 GeV, can we say that each of the three quarks that compose it have roughly a mean energy of $\approx \frac{50}3=17$ GeV?
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3
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Collision of two positrons: Is there any "strong force" that binds two positrons together to produce a positron-positron pair with $+2e$?
I want to know if it is possible to hardly collide two positrons with each other to produce a pair with $+2e$. Indeed, I want to know if there is a strong force, similar to those binding protons ...
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Why is the electromagnetic force not an emergent property of the strong force? [closed]
Two up quarks in a proton lead to an imbalance, which results in the proton having the ability to attract electrons. Two down quarks in a neutron lead to balance in the electromagnetic force, leading ...
- 29
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2
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435
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Why are there no particles that ONLY interact via the strong force?
The title speaks for itself really: I noted everywhere I learned about fundamental interactions that there are particles that interact ONLY via the Weak Force (and gravity, if it counts)(e.g. ...
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45
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A very basic question about particle (leptons, hadrons) interactions
Suppose a particle reaction $A+B\to C+D$ is allowed in nature. Then, the reactions,
\begin{align}
A&\to \bar{B}+C+D,\\ \bar{C}+\bar{D}&\to \bar{A}+\bar{B},\\ B&\to\bar{A}+C+D,\\& \...
- 11.8k
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EM force or Strong force?
$$
e^- + p \rightarrow \Delta^{++} + e^- + \pi^-
$$
Apparently this reaction is mediated by the EM force. My question is: how do you know it isn't the strong force?
Yes, all the particles have ...
- 101
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60
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What causes the difference in ranges of forces?
What causes the difference in ranges of forces? In other words, why is it that the weak force acts only at small distances whereas the Coulomb force has a very large range?
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57
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How scientists know which particle is/is not influenced by strong force?
Muon is said to be uninfluenced by strong force, unlike pion.
My question is, based on which experiment, scientists determine a particle is influenced by strong force or not?
Edited:
Thank you for the ...
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247
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Are gluon particles analogous to flux tubes?
I've always been told gluons are the force "particles" mediating the strong force. And I've learned that Fluxtubes are what hold quarks together. Are these fluxtubes the "particle" ...
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61
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How do mesons explain nuclear stability?
I understand that nuclear stability is explained by the presence of the residual nuclear force, which in turn is a result of the strong nuclear force, which I believe, is mediated between quarks via ...
0
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1
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301
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On $\Delta^{+}$ particle decay
Using isospin notation
$$
\Delta^+=\left|\frac 3 2,\frac 1 2\right\rangle=\frac{1}{\!\sqrt{3}}\bigg(|duu\rangle+|udu\rangle+|uud\rangle\!\bigg)
$$
It is known all of the $\Delta$ baryons with mass ...
- 1,644
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6
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Does the energy of the strong force have mass? [closed]
The mass of a proton is said to predominantly be "comprised" of the mass of the strong force interactions within the proton. Logically, one could conclude that the energy (the strong force ...
- 103
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422
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Strength of strong force and electromagnetic force
In this link, it is claimed that the strength of the strong force w.r.t. the E&M force is about 137 times larger. Does this have anything to do with the fine structure constant?
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If isospin is conserved in a given strong interaction, can we say that the interaction is certainly allowed?
If isospin is conserved in a given strong interaction, can we say that it is certainly allowed and it's not needed to check other conservation rules like baryon number, electric charge etc. ?
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Cause of Strong force
What is the origin and cause of the strong interaction which occurs between the nucleons? I have read that it is caused by the exchange of mesons but what then ultimately causes this meson exchange to ...
2
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3
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Do all hadrons experience the strong nuclear force?
In nuclear physics, nuclear force, also known as the residual strong force, is mediated by pions exchanged between protons and neutrons. It doesn't seem like this should be limited to protons and ...
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79
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Can we say that binding energy is the work done by the strong nuclear force?
I know that the strong nuclear force is the force that holds the nucleus together by overcoming electromagnetic repulsion between protons. Binding energy is the minimum energy that is required to ...
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3
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How do the strong and weak forces relate to nuclear fission and fusion?
Fission and fusion are due to the strong and weak forces, but it is unclear to me which is responsible for which.
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452
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Does Temperature Affect electromagnetic/Strong/Weak Force?
From what I understand, the energy or temperature of a structure with mass has no effect on the gravitational force it emits. Is the same true for the other fundamental forces?
What would happen to ...
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50
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How do virtual particles cause an attraction? [duplicate]
How do virtual particles such as photons cause a force between particles such as an attraction between protons and electrons?
4
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361
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Does the nuclear interaction favour aligned or anti-aligned spins?
My particle physics lecture notes seem to have contradictory statements.
Firstly they argue that p-n is stable while p-p and n-n are not because the nuclear interaction favours spin alignment (and by ...
- 2,604
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Does pionium decay in massless QCD?
The bound state of ${\pi}^+ {\pi}^-$ is called Pionium.
Is Pionium an Electromagnetic bound state or a Strong Force one? then Why?
Does such a bound state last forever if one works in QCD with ...
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How does the strong force increase in attraction as particles move farther away?
I have heard that the strong force can be imagined similar to a rubber band, where the farther you extend the ends, the harder they pull themselves back together. My question is how? From what it ...
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3
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153
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Like quark baryons
Why aren't there particles like neutrons or protons but with 3 up or 3 down quarks, instead of 2 up/1 down or 2 down/1 up. Does there have to be 2 different types of quarks for the strong force to ...
- 101
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Strong and Weak Interactions [closed]
How do I determine whether an interactions is strong or weak if what i've been given is just the particles and the type of reaction:
Determine whether the following are strong or weak interactions?
a ...
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772
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If the Strong Nuclear Force is $6×10^{39}$times stronger than gravity, how is a black hole able to tear nuclei apart?
Furthermore, would a black hole be able to tear apart a quark pair? Would there be a difference in tidal forces on a scale that small?
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Is isospin magnitude $I$ conserved? [duplicate]
Here is a table of isospin conservation in certain reactions.
It is often loosely stated that 'isospin is always conserved in strong interactions', but it is never clear whether they mean total ...
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244
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How to prove the equivalence of two definitions of hypercharge?
Before introducing top bottom and charm quarks,Strong Hypercharge is defined in the following two ways---
$1.\,\,\,Y=B+S$ where $Y,B,S$ are the hypercharge, baryon number and strangeness respectively.
...
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