Questions tagged [neutrons]
The neutron is a subatomic particle, with no net electric charge and a mass slightly larger than that of a proton. It is a fermion of spin $\frac 1 2$; a hadron, that is it interacts strongly; and a nucleon, that is a crucial component of atomic nuclei.
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Do Neutrons Have a Charge Radius?
The radius of a proton is described as a "charge radius", about 0.84 fm. The neutron is about the same size, 0.8 fm, but has no measureable charge. Is this a contradiction? Are the two ...
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If electron fails to get into the lowest energy orbit after neutron decay does it remain bonded to the proton?
I have read this on Wikipedia:
A very small minority of neutron decays (about four per million) are so-called "two-body (neutron) decays", in which a proton, electron and antineutrino are ...
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Are neutrons and protons stable inside atomic nuclei?
Some people naturally assume that atomic nuclei are made of protons and neutrons. That is, they are basicly clumps of protons and neutrons that each maintain its separate existence, like pieces of ...
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Gravity affects neutrons
A long time ago I asked whether gravity affected subatomic particles. An experimental physicist kindly explained that it's known to affect neutrons. Get a neutron source, and send a beam of neutrons ...
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Is diamond a good neutron moderator?
The title mostly says it: Is diamond as a material a good neutron moderator for nuclear fission reactors?
Or: Could you build a nuclear fission reactor with diamond as a moderator, instead of graphite....
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Do neutrons change their wavelengths when diffracted?
Both neutrons and X-rays are used in diffraction. In XRD, the diffracted beam is of the same wavelength of the incident beam. The reason is that X-rays are EM waves which cause electrons to vibrate. ...
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What is the radius of the neutron?
I am trying to get a straight forward answer to the question of the experimental radius of the neutron. Codata group gives magnetic radius of about 0.84fm, while the negative mean square charge ...
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Difference between $e^-$ capture and $ β^+ $ decay
A nucleus stability is judged by it's n/p ratio, which it prefers to be ~1. If n/p ratio is much less than 1, an atom tries to increase neutrons and decrease protons present in the nucleus. My physics ...
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Why is a neutron stable inside a magnetic bottle?
Free neutrons are not stable.
But inside a magnetic botlle they become stable.
Why?
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What if there are three less neutrons in $_{89}^{238}U$? [closed]
I am wondering what will happen if there are three less neutrons in $_{89}^{238}U$? I found this problem in a book. Will it produce $_{89}^{235}U$ or $_{92}^{235}U$?
The reason for choosing $_{92}^{...
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Do protons or neutrons oscillate? (inside nucleus in atom)
Do they oscillate relative to each other? What is the frequency? What is the amplitude? I would think they oscillate since electrons move all over the place at high speeds and there is attractive ...
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Do magnesium-32 nuclei look like soccer balls?
My understanding is that the strong interaction between nucleons, while very strong, is much weaker than the strong interaction between quarks within a nucleon. So even though an atomic nucleus in an ...
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Are there any solids that are not neutron reflectors, nor neutron moderators?
Is there any solids that lets neutron pass through it (without reflecting or moderating them) that is not air?
Thanks in advance :]
EDIT: clarification
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Why spin-aligned nucleons bind stronger together [duplicate]
Protons bind to neutrons only if their spin is parallel to each other. Is there an easy explanation for this? What force is responsable for this spin dependence?
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Does an accelerating neutron produce electromagnetic waves?
I believe both protons and electrons do produce e/m radiation if accelerated, but what about a neutron which is made up of, or at least decays to, an electron and a proton?
If accelerating a neutron ...
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