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Results tagged with particle-physics
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user 217448
Particle physics is the study of the fundamental forces of nature as they are embodied in the interactions of elementary and composite particles at high energies and short time and distance scales. DO NOT USE THIS TAG for point particles in classical mechanics.
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$\rm SU(2)$ isospin invariance of the nucleon-pion system in infinitesimal transformation fo...
I'm reading "Dynamics of the Standard Model, Cambridge monographs on particle physics, nuclear physics and cosmology".
In page 10 the authors achieve an expression for the Lagrangian which is the foll …
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Magnetic Moment MIT Bag Model
I'm reading the book "Advances in Nuclear Physics vol 13" by J. W. Negele and Erich Vogt
In chapter 3, one wants to calculate the magnetic moment for a current loop.
In page 29 how does one go from eq …
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Accepted
Magnetic Moment MIT Bag Model
I ended up expanding the commutator, using the levi-civita definition of the cross product. Arriving at the result:
$ [\textbf{r}\times \sigma_i, \sigma_i\hat{r}]=2i(\textbf{r}\sigma_i\hat{r}-\textbf{ …
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Neutron to proton transition matrix element
Well I have managed to understand this.
Basically one must act with $\tau$ in every quark of the neutron wave function (https://wikimedia.org/api/rest_v1/media/math/render/svg/d01d80212401fe5d60053ac …
- 97
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1
answer
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Neutron to proton transition matrix element
I am reading the book Advances on Nuclear Physics vol 13 by J. w. Negele and Erich Vogt.
On page 33, one is going to calculate a matrix element corresponding to a transition of a neutron to a proton.
…
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