All Questions
53
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Neutron diffusion equation cylinder question
Hi there I was wondering if anyone could help me with how to approach this problem that I have. I'm looking to find the neutron flux outside of a cylindrical container which is made of steel, however ...
- 15
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31
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Neutron Beta Decay Spectrum
Beta decay is generally displayed as below with a fairly significant intensity of electrons emitted with KE ~ 0. In this case, all the energy of the decay is given to the neutrino and the momentum is ...
- 27
22
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3
answers
2k
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Does free neutron decay create a hydrogen atom?
When a free neutron decays, it is transformed into a proton, an electron, and a neutrino. Does this electron begin to "orbit" the proton, forming a hydrogen atom? Or does the electron run ...
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1
answer
51
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Why do some nuclei decay by Neutron Emission?
Alright so I am confused somewhat about Neutron Heavy Nuclei not decaying, or more specifically why it is that Neutron Heavy Nuclei sometimes decay by emitting Neutrons.
Someone has already answered ...
- 101
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2
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58
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Can Neutron Activation Analysis differ isotopes?
I know to carry out an NAA analysis, the specimen is placed into a suitable irradiation facility and bombarded with neutrons. This creates artificial radioisotopes of the elements present. Following ...
- 103
4
votes
1
answer
736
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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....
28
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6
answers
4k
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How is Alpha Radiation possible?
Alpha radiation would seem to occur when a pair of protons and neutrons are magically plucked from the amorphous (i.e. having no particular structure) nucleus of a heavier atom.
Some of the problems ...
- 313
-1
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1
answer
517
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How much energy is released during the decay of 1 kg of neutronium?
i'm trying to find out what the decay energy is for neutronium. i'd like to find out if it would be a suitable fuel source for our civilization's needs (if we ignore the problem of extracting it from ...
user320481
7
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5
answers
2k
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What does the term "half life" mean for a single radioactive particle? [duplicate]
I was introduced to the term half life as the time it takes for the number of radioactive nuclei to become half of its initial value in a radioactive sample.
But there is a question in "Concept ...
- 8,220
-1
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1
answer
52
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Can a single nucleon undergo beta decay an infinite number of times?
Can a single nucleon (i.e., neutron or proton) undergo beta decay (+ or -)an infinite number of times? If so, how does this square vs. the principle of conservation of mass/energy? If not, what are ...
0
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218
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What defines Fusion-Evaporation Reactions in Nuclear Physics?
A bit of a general question I know; but I would like to understand a bit more about the topic.
The situation is an alpha beam is incident on an Aluminium-27 target, which ejects a neutron and leaves a ...
- 221
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1
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79
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What exactly is neutron radiation?
Well, I'll be honest my physics is not good. But I really wonder about radiation and other physical stuff.
When I search about it I see three types of ionizing radiation: Alpha, Beta and Gamma. But ...
- 3
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1
answer
51
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Can we uniquely determine the particles emitted in a neutron induced binary fission of a radioactive element?
Can we uniquely determine the particles emitted in a neutron induced binary fission of a radioactive element?
For example, if we have $
\newcommand{\U}{\mathrm U}
\newcommand{\Mo}{\mathrm{Mo}}
\...
- 362
8
votes
4
answers
2k
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Nuclear beta decay to hydrogen
In reading about nuclear beta decay:
$$n \longrightarrow p + e^{-} + \bar \nu$$
It occurred to me that two of the particles resulting from this decay are the constituents of the hydrogen atom. So why ...
user280085
0
votes
1
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66
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Why do gamma-rays and neutrons produce different decay times in scintillation pulses from the same compound?
The basis of pulse shape discrimination is that gamma-rays and neutrons have different decay times of their electronic pulses. What makes gamma-rays and neutrons interact with the same compound ...
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