According to our current understanding of physics, matter and antimatter annihilate each other upon interaction, resulting in the release of energy. This process is well-established experimentally and is a fundamental concept in particle physics.
Matter and antimatter are composed of particles with opposite charges. When a particle and its corresponding antiparticle come into contact, their opposite charges cause them to attract each other. This attraction leads to a process called annihilation, where the particles collide and convert their mass into energy. This energy is typically released in the form of photons (particles of light) or other types of elementary particles.
While annihilation is the well-known behavior of matter-antimatter interactions, it is important to note that scientific research continually pushes the boundaries of our knowledge. There is ongoing exploration and investigation into the behavior of matter and antimatter at extremely high energies or in specific conditions. In some speculative models, researchers have proposed the existence of processes that could potentially allow matter and antimatter to interact without immediate annihilation, but such scenarios are highly theoretical and have not been observed experimentally.
However, it is worth emphasizing that if such interactions were found to exist, they would have profound implications for our understanding of particle physics and the fundamental laws of nature. As of now, our understanding of matter-antimatter interactions is consistent with their annihilation upon contact, but future discoveries and advancements in our knowledge may unveil new possibilities.