What is the Weak Force... And Why Does It Actually Change Particles?
Sleep On Physics
34,094 views
The weak force is the strangest of nature's four fundamental interactions. It doesn't push. It doesn't pull. It doesn't hold anything together. Instead, it does something no other force can do, it reaches inside a particle and changes what that particle fundamentally is. A neutron becomes a proton. A quark switches identity. New particles are created from nothing. Without this one quiet, short-ranged interaction, the sun would never shine, stars would never explode, and the elements that make up your body would never exist.
In this video, we explore how physicists first discovered the weak force through the mystery of beta decay, why the missing energy crisis nearly broke physics, and how Wolfgang Pauli's desperate proposal of an invisible "ghost particle", the neutrino, saved energy conservation. We dive into the massive W and Z bosons, the heaviest force carriers in nature, and explain why their enormous mass crushes the weak force's range to one-thousandth the width of a proton.
Sources:
Griffiths, D.J. (2008). Introduction to Elementary Particles (2nd Edition). Wiley-VCH.
Weinberg, S. (1967). "A Model of Leptons." Physical Review Letters, 19(21), 1264-1266. https://doi.org/10.1103/PhysRevLett.1...
Fermi, E. (1934). "Versuch einer Theorie der β-Strahlen." Zeitschrift für Physik, 88, 161-177. https://doi.org/10.1007/BF01351864
Fukuda, Y. et al. (Super-Kamiokande Collaboration). (1998). "Evidence for Oscillation of Atmospheric Neutrinos." Physical Review Letters, 81(8), 1562-1567. https://doi.org/10.1103/PhysRevLett.8...
Wu, C.S., Ambler, E., Hayward, R.W., Hoppes, D.D. & Hudson, R.P. (1957). "Experimental Test of Parity Conservation in Beta Decay." Physical Review, 105(4), 1413-1415. https://doi.org/10.1103/PhysRev.105.1413
#weakforce #particlephysics #neutrinos #standardmodel #betadecay #quantumphysics #physics
19 Comments
I love Physics❤
The exa you I used was turning a wooden sand box into a clam shell by adding more scoops of sand so I’m glad you did this video.
next point is electromagnetic force must be extremely strong cause when you sit on something you don’t smash atoms flat you don’t deflate anything it just stays there, exa metal it just stays there, if it’s a cushion, it bounces back, nothing collapses.
So if you’re a gazillion times heavier than an atom and it’s sitting on an atom and the atom doesn’t smash because of the electromagnetic force then yeah that’s quite a strong force all right. Just imagine the opposite, something a gazillion times heavier than you, sitting on you.
Now as for the name of the weak force, obviously it should be renamed.
The weak force should be renamed and called the magical conversion force, or the transmutation force.
The ability of this force to bind things together seems more of a side effect compared to its main function, which is transmutation so maybe MTF magical transmutation force might be a much better name. the weak force is a total misnomer.
Obviously, many more particles associated with this transfer transformation ability will be discovered or so I predict.
What is the Weak Force... And Why Does It Actually Change Particles?
Sleep On Physics
34,094 views
The weak force is the strangest of nature's four fundamental interactions. It doesn't push. It doesn't pull. It doesn't hold anything together. Instead, it does something no other force can do, it reaches inside a particle and changes what that particle fundamentally is. A neutron becomes a proton. A quark switches identity. New particles are created from nothing. Without this one quiet, short-ranged interaction, the sun would never shine, stars would never explode, and the elements that make up your body would never exist.
In this video, we explore how physicists first discovered the weak force through the mystery of beta decay, why the missing energy crisis nearly broke physics, and how Wolfgang Pauli's desperate proposal of an invisible "ghost particle", the neutrino, saved energy conservation. We dive into the massive W and Z bosons, the heaviest force carriers in nature, and explain why their enormous mass crushes the weak force's range to one-thousandth the width of a proton.
Sources:
Griffiths, D.J. (2008). Introduction to Elementary Particles (2nd Edition). Wiley-VCH.
Weinberg, S. (1967). "A Model of Leptons." Physical Review Letters, 19(21), 1264-1266. https://doi.org/10.1103/PhysRevLett.1...
Fermi, E. (1934). "Versuch einer Theorie der β-Strahlen." Zeitschrift für Physik, 88, 161-177. https://doi.org/10.1007/BF01351864
Fukuda, Y. et al. (Super-Kamiokande Collaboration). (1998). "Evidence for Oscillation of Atmospheric Neutrinos." Physical Review Letters, 81(8), 1562-1567. https://doi.org/10.1103/PhysRevLett.8...
Wu, C.S., Ambler, E., Hayward, R.W., Hoppes, D.D. & Hudson, R.P. (1957). "Experimental Test of Parity Conservation in Beta Decay." Physical Review, 105(4), 1413-1415. https://doi.org/10.1103/PhysRev.105.1413
#weakforce #particlephysics #neutrinos #standardmodel #betadecay #quantumphysics #physics