Though alpha radioactivity was discovered more than 125 years ago, where the particle comes from is still a mystery, especially in nuclei that have large numbers of protons and neutrons. "Alpha decay ...
When they absorb enough energy, they can decay & emit an alpha particle (2 protons & 2 neutrons). Credit: M. Barbui Scientists refer to atomic nuclei as "quantum many-body systems" because they are ...
An exotic meson’s photon-emitting decay opens a window into the particle’s long-debated structure. To explain the mass discrepancy, scientists have proposed several models for the particle’s internal ...
The detector array consists of plastic scintillator detectors, quadrant silicon detectors (QSD), double-sided silicon detectors (DSSD) and high-purity germanium (HPGe) detectors. Exotic nuclei near ...
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Critical Te-104 decay measurements may help answer century-old alpha particle formation question
"Alpha decay is the oldest decay mode," Grzywacz said. "The big question is how the alpha particle forms in heavy nuclei, which are known to have uniform matter distribution. There must be a mechanism ...
Scientists refer to atomic nuclei as “quantum many-body systems” because they are formed by many particles (nucleons, which include neutrons and protons) that interact with each other in complex ways.
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