THE MYSTERY OF ANTIMATTER: WHAT WE KNOW SO FAR

Abstract

Antimatter, the mirror counterpart of ordinary matter, continues to intrigue physicists due to its profound implications for cosmology, particle physics, and the fundamental laws of the universe. Despite being predicted by Paul Dirac in 1928 and experimentally confirmed with the discovery of the positron, antimatter remains one of the greatest mysteries in modern science—particularly concerning the observed matter-antimatter asymmetry in the universe. This research paper critically reviews the current understanding of antimatter, exploring its theoretical foundations, production mechanisms, interactions, and potential applications. Through a synthesis of data from particle collider experiments, space-based observatories, and antimatter confinement studies, we analyze the latest findings related to charge-parity (CP) violation, baryogenesis, and annihilation processes. Key insights include the successful creation of antihydrogen in laboratory settings, precision measurements of its spectral properties, and the role of antimatter in testing CPT symmetry. Additionally, the study highlights technological innovations in antimatter containment and diagnostics, which are vital for future applications in medical imaging, propulsion, and energy generation. Despite these advances, significant gaps remain—most notably, the scarcity of naturally occurring antimatter in the observable universe. The paper concludes by outlining the theoretical and experimental challenges that must be addressed to resolve the antimatter puzzle, suggesting that future breakthroughs may emerge from next-generation facilities such as the CERN AD (Antiproton Decelerator) and proposed space-based antimatter detectors. Overall, this study serves as a comprehensive examination of what we know so far about antimatter and the critical questions that continue to drive its exploration in fundamental physics.