# Do SUSY particles have antiparticles counterparts?

• alvarogz
In summary, SUSY particles are theoretical particles that have the same properties as their corresponding particle, except for their spin. They are related to antiparticles, which have the same mass but opposite charge and spin. According to the principle of supersymmetry, every SUSY particle has an antiparticle counterpart. These particles are created in particle collisions through the conversion of energy into matter. Scientists use large particle accelerators to detect SUSY particles and antiparticles. Finding SUSY particles and their antiparticles would support the theory of supersymmetry and provide a deeper understanding of the universe.
alvarogz
Well, all of this is theoretical, but I asked myself this because I never heard about antimatter in a SUSY particle context.

Presumably they do, but until a SUSY particle is actually discovered we can't be certain.

The existence of antiparticles is a requirement of Lorentz invariance. It wouldn't typically be discussed in a SUSY reference because it's QFT background material that the reader could be expected to be familiar with.

## 1. What are SUSY particles and how are they related to antiparticles?

SUSY (Supersymmetry) is a theoretical framework in particle physics that suggests every known fundamental particle has a supersymmetric partner, known as a SUSY particle. These SUSY particles have the same properties as their corresponding particle, except for their spin, which differs by half a unit. Antiparticles, on the other hand, have the same mass as their corresponding particles but have opposite electric charge, spin, and other quantum numbers.

## 2. Do all SUSY particles have antiparticle counterparts?

Yes, according to the theory of SUSY, every particle has a corresponding antiparticle. This is known as the principle of supersymmetry.

## 3. How are SUSY particles and antiparticles created in particle collisions?

SUSY particles and antiparticles can be created in particle collisions through the conversion of energy into matter. This process is governed by Einstein's famous equation E=mc², where E represents energy, m represents mass, and c is the speed of light.

## 4. How do scientists detect SUSY particles and antiparticles?

Scientists use large particle accelerators, such as the Large Hadron Collider (LHC), to create high-energy collisions between particles. These collisions produce a spray of particles, including SUSY particles and antiparticles, which are then detected by specialized detectors. By analyzing the data from these collisions, scientists can determine the presence of SUSY particles and antiparticles.

## 5. What is the significance of finding SUSY particles and their antiparticles?

Finding SUSY particles and their antiparticles would support the theory of supersymmetry and provide a more complete understanding of the fundamental building blocks of the universe. It could also help solve some of the unanswered questions in physics, such as the nature of dark matter and the unification of fundamental forces.

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