Parity Conservation Law
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- Опубликовано: 12 сен 2024
- Parity is the mirror imaging of any event. In this lecture of particle physics, we will discuss parity conservation.
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• Parity Conservation Law
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Landed here, in search of PYQ that had been removed🙄. But I can understand 🤓.
Awesome content ❤️
PYQ stands for?
@ Previous Year Question Paper solutions 🙃
Thank you. 13:03, 29:05
At 18:07 how did you get that the total angular momentum for the initial state must be 0, 1, or 2? I see that the spin must be 1 and we are given that l =1. Then the total angular momentum is j = s + l = 0 or 2. What is wrong with my reasoning? In what case do we get the total angular momentum to be j=1?
Sir I thik "l" is orbital momentum quantum number not orbital angular momentum.
You have strongly comment that all mesons have odd parity... Is that... For spin 1 mesons?
for pseudo scaler (pion and kion) and vector boson (photon, W and Z boson)
19:00 Why is l= 0 not a viable option ? Since it is even and it gives us j= 0+ 0 = 0 ?
Yeh since spin angular momentum is already zero, if we take angular momentum zero then total angular momentum will also be zero. That means final state have no angular momentum.
But according to the question initial state have finte angular momentum. This will be the violation of angular momentum conservation. That's why l=2 is an appropriate choice.
I think parity is not mirror image... In 1 dimension you can say like that.. But not in higher dimensions
Parity is a point operation
yeah parity is a point operation. that's why you can not use mirror imaging in 3D world, because mirror is its a 2D thing. satying parity is a mirror image is just analogus to its 1D analogy.