An antibaryon is a subatomic particle that has the same mass as a baryon but with opposite baryon number. It is the antimatter counterpart of a baryon, which is a type of particle composed of three quarks.
Antibaryons are real particles that have been observed and studied in experiments. They were first predicted by theoretical models and later confirmed through particle accelerator experiments.
Antibaryons and baryons have the same mass and spin, but they have opposite charges and baryon numbers. Baryons have positive baryon numbers, while antibaryons have negative baryon numbers.
Yes, antibaryons can exist in nature, but they are rare. They are constantly produced and annihilated in particle collisions, and some may also be present in cosmic rays. However, they are not stable and quickly decay back into other particles.
Studying antibaryons can help us better understand the fundamental laws of physics and the structure of matter. It can also have practical applications in medical imaging and cancer treatment, as well as in developing advanced technologies such as antimatter propulsion for space travel.