氘核及其反物质粒子形成之谜揭示

Core Insights - The research conducted by scientists from the Technical University of Munich and other institutions reveals that deuterons and their antimatter counterparts are formed from the decay of short-lived high-energy particles in a cooling "fireball," rather than originating from the chaotic state of the early universe [1][2]. Group 1: Strong Nuclear Force - The strong nuclear force is one of the four fundamental forces of nature, responsible for binding protons and neutrons within atomic nuclei [2]. - The Large Hadron Collider (LHC) recreates extreme conditions similar to those shortly after the Big Bang, allowing scientists to explore the fundamental nature of matter [2]. Group 2: Research Findings - The latest findings indicate that approximately 90% of the observed (anti)deuterons are produced through the newly discovered process of high-energy particle decay, rather than surviving from the early universe [2]. - The ALICE experiment at the LHC functions like a giant camera, capable of tracking and reconstructing up to 2000 particles from a single collision, enabling the recreation of early cosmic conditions [2]. Group 3: Implications for Physics - This discovery has profound implications for fundamental nuclear physics research, enhancing the understanding of the strong nuclear force and expanding the horizons of cosmological studies [3]. - The formation of light atomic nuclei through cosmic ray interactions may provide clues for exploring dark matter, allowing scientists to refine particle formation models for better interpretation of cosmic observation data [3].