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eneacasucci's latest activity
eneacasucci
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Sargon38's post
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Negative Q-value for 7Li(alpha,n) reaction
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Actually, it can be fun to look at the reaction in the opposite direction. The interaction of thermal neutrons with B-10 gives you a...
Mar 22, 2024
eneacasucci
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Orodruin's post
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Conservation of charge in a nuclear reaction
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… or destroyed! Consider electron capture.
Mar 12, 2024
eneacasucci
reacted to
mfb's post
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Negative Q-value for 7Li(alpha,n) reaction
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Informative
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It's the helium energy in the lab frame. The lab frame is not the center of mass frame.
Mar 12, 2024
eneacasucci
replied to the thread
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Conservation of charge in a nuclear reaction
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OK thank you, so unless a new electron is produced, I only carry out the charge balance on nuclear charges.
Mar 12, 2024
eneacasucci
reacted to
mfb's post
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Conservation of charge in a nuclear reaction
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It's a new electron that is produced in the nuclear reaction here. It's relevant for the process. In the example in post 1 the reaction...
Mar 12, 2024
eneacasucci
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Orodruin's post
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Conservation of charge in a nuclear reaction
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This is different. The electron is explicitly included.
Mar 12, 2024
eneacasucci
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Drakkith's post
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Conservation of charge in a nuclear reaction
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We typically ignore electrons when talking about nuclear reactions, as they play virtually no part in them.
Mar 12, 2024
eneacasucci
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Orodruin's post
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Conservation of charge in a nuclear reaction
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Electrons are not included. These are nuclear reactions. Also, please use superscripts where appropriate, ie, 3He rather than 3He. The...
Mar 12, 2024
eneacasucci
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Conservation of charge in a nuclear reaction
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I agree with you but I read the LaTex Guide and I didn't find how to put the superscript, but I just noticed that it is included in the...
Mar 12, 2024
eneacasucci
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Conservation of charge in a nuclear reaction
.
I thought we considered electrons such as in nuclear decays where for example a beta- decay: neutron ##\rightarrow## proton + electron +...
Mar 12, 2024
eneacasucci
posted the thread
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Conservation of charge in a nuclear reaction
in
High Energy, Nuclear, Particle Physics
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Conservation of charge: The sum of the charges on all the particles before and after a reaction are the same I was considering this...
Mar 12, 2024
eneacasucci
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I
Negative Q-value for 7Li(alpha,n) reaction
.
I also don't understand why I have this energy threshold: (ref: https://www.nndc.bnl.gov/qcalc/ )
Mar 12, 2024
eneacasucci
replied to the thread
I
Negative Q-value for 7Li(alpha,n) reaction
.
The Q value is constant and the same also when I have the condition ##K_a + K_b > Q## (in the center of mass frame), right? (due to the...
Mar 11, 2024
eneacasucci
reacted to
mfb's post
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Negative Q-value for 7Li(alpha,n) reaction
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You need ##K_a + K_b > Q## in the center of mass frame. Having it in a different frame is not sufficient.
Mar 8, 2024
eneacasucci
replied to the thread
I
Negative Q-value for 7Li(alpha,n) reaction
.
Ok I was missing this point. Now the meaning of Q-value is clearer I guess, thank you so much!
Mar 7, 2024
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