Science, Space and Technology News 2024
Researchers have recently revealed new insights into exotic subatomic particles and the strong force. Their work predicts the existence of a novel tetraquark, composed of beauty and charm quarks along with two light anti-quarks, using computational methods. This discovery enhances our understanding of Quantum Chromodynamics and the composition of visible matter. Credit: SciTechDaily.com
Schematic picture of the predicted Tetraquark, Tbc, made of four quarks: beauty, charm quarks and two light anti-quarks. Credit: Nilmani MathurAt the core of this exploration lies the enigmatic fundamental strong force, which generates almost all mass of all visible matter in the universe.
Until relatively recently, however, the existence of these exotic hadrons remained largely uncharted territory for particle physicists. Over the past decade and a half, a flurry of experimental discoveries has illuminated this previously obscure domain, unveiling a rich spectra of exotic hadrons that defy conventional notions of the strong force and challenging our understanding of subatomic particles.
Furthermore, the binding energy of the predicted particle exceeds that of any discovered tetraquarks and the binding weakens as the mass of the light quark increases, alluding to intricate dynamics of strong interactions across diverse quark mass regimes as well as elucidating the intriguing features of strong force in hadron formation particularly those with heavy quarks.
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