The weak nuclear force might not sound like much, but you can thank it for everything from the life-sustaining heat of the sun to the heavy atoms in your smartphone.
. Despite being one of the least understood of these fundamental forces, we know it plays a crucial role in shaping our reality.
Even the actions of the strong nuclear force are visible when you look at the model of an atomic nucleus, even if it needs a bit more explanation and intuition. How exactly does one “see” beta decay, a concept that is already hard for most people to wrap their heads around? We’ve also seen strong, direct evidence of the weak nuclear force from high-energy particle physics experiments, such as those conducted at CERN and Fermilab. These experiments involve colliding particles at high speeds and observing the particles that are produced in the collisions. By analyzing the properties of these particles, physicists can infer the properties of the weak nuclear force.
And, since a neutral-charged particle became a positive-charged one, the process forces the nucleus to emit an electron to balance the conversion. The conversion also produces an The fusion process also involves the strong nuclear force, which binds the protons and neutrons together in the nucleus of the atoms, and the electromagnetic force, which governs the interactions of charged particles. However, the weak nuclear force really is the key ingredient to making the Sun’s fusion process the life-giving energy source that it is.
The constant conversion of neutrons to protons and vice versa that takes place at the extremely high temperature and pressure of the Sun’s core produces energy far more efficiently and sustainably than would otherwise result from fusing “pure” elements together, allowing stars like our Sun to shine brighter and hotter, and creating conditions on Earth where life can thrive.
In addition to producing neutrinos, the weak nuclear force is also involved in the creation of heavy elements during a supernova. As the core of the star collapses, the intense pressure and temperature cause the nuclei to fuse together, creating heavier and heavier elements. However, this process can only proceed up to a certain point.
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