In a groundbreaking study published this week in Nature, researchers have provided evidence of a phenomenon known as superradiance of alpha decay in a mirror. This phenomenon describes the emission of two or more alpha particles in a mirror-like manner at the same angle, with the same kinetic energy. The alpha particles, which are high-energy helium nuclei, are emitted simultaneously from a single atom. This is the first time that researchers have observed this phenomenon in an atomic system. The implications of this discovery could be far-reaching, as it could be used to better understand the behavior of high-energy particles and their interactions with other particles.

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source: Phys.org