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The physicists at MIT for the first time calculated the pressure distribution inside a proton. In particular, the researchers found that the nucleus of a proton generates higher pressures than those found in a neutron star. This discovery is so amazing that a neutron star is one of the densest objects known in the universe.
MIT notes that a teaspoon of the material of which a neutron star is made would weigh about 15 times more than the moon. Despite the density of a neutron star, MIT claims that the calculated proton pressure has revealed that a proton contains even higher pressures.
The highly neutralized nucleus of a neutron generates pressures at its most intense point, higher than that found in a neutron star. The nucleus of the neutron comes out of the center of the proton, while the part of the proton surrounding the nucleus is introduced. Both competitive pressures stabilize the overall structure of the proton.
MIT physicists found that the high-pressure nucleus of a neutron measured 1035 pascals, which is ten times the pressure inside a neutron star. The team notes that the calculations required to obtain the pressure figure were "extremely demanding in calculation" and that they had to rely on the most powerful supercomputers in the world.
The team spent 18 months performing various quark and gluon configurations in different supercomputers, then determining the average pressure at each point in the center of the edge. The team says confirming their calculations will require a more powerful detector, such as the Electron-Ion Collider, a proposed particle accelerator.
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