Scientists are closer to changing everything we know about one of the basic building blocks of the universe, according to an international group of physics experts involving the University of Adelaide.
If the theory is correct, it would force years of experiments to be reinterpreted, and would see the textbooks on nuclear physics rewritten.
In a paper published online in the prestigious journal Physical Review Letters, a team of three physicists from the United States, Japan and Australia have predicted that the structure of protons could be proven to change inside the nucleus of an atom under certain conditions.
"Atoms contain protons and electrons, but they also have their own internal structure comprised of quarks and gluons – these are what we consider to be the basic building blocks of matter," says co-author Professor Anthony Thomas, Australian Research Council Laureate Fellow and Elder Professor of Physics at the University of Adelaide.
"For many scientists, the idea that the internal structure of protons might change under certain circumstances can seem absurd, even sacrilegious. To others like myself, evidence of this internal change is highly sought after and would help to explain some inconsistencies in theoretical physics."
While this theorised change in the internal structure of protons has not yet been discovered, it is currently being put to the test at the Thomas Jefferson National Accelerator facility in the US, in experiments designed by this research team.
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