- 3499 - MULTIVERSE - are there more than one universe? When researchers at the Large Hadron Collider discovered the elusive Higgs particle in 2012, it was a landmark for particle physics. It solved a very thorny problem, validating and allowing the Standard Model of particle physics to hold true, so far.
--------------- 3499 - MULTIVERSE - are there more than one universe?
- See Review 3498 to learn about the “shape” of this universe . This review claims there is more than one universe with all different shapes. This Multiverse Scenario could explain a strange Higgs Boson feature that science recently discovered?
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- As is often the case with new discoveries, while some questions were neatly answered, others arose. And for the Higgs boson, one of those questions is its mass. According to predictions, the particle ought to be around three times heavier than the 125 giga-electron-volts it is.
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- We're not sure why it isn't heavier. The problem can be resolved if, at the time of the Big Bang, the Universe consisted of many universes, that is a “multiverse“.
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- Not only do the physicists' calculations solve the mass of the Higgs boson, they also solve a seemingly unrelated problem in the Standard Model: the preservation of symmetry in the strong force that binds the elementary particles that form all normal matter. How can a multiverse solve physics problems inside a single atom?
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- The model starts the Universe as a multitude of universes. Each universe in this multiverse has a different mass for the Higgs boson, some quite heavy, and some very light. Remember the Higgs is responsible for the mass of all the other particles. It islike gravity that affects all particles.
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- The physicists calculated how these universes would evolve over time. They found that universes with heavier Higgs bosons became unstable and collapsed very quickly in a "big crunch", in a fraction of a second.
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- The universes with lighter Higgs bosons survived. Under this scenario, our Universe emerged as perhaps the sole survivor of the catastrophic multiverse crunching, with a “very light Higgs boson“. Remember the Higgs Boson is the fundamental element that gives all the other elements their mass.
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- Under this model, something curious emerged. The strong force is one of the fundamental forces of the Universe. It binds together fundamental particles called quarks into protons and neutrons and then binds those protons and neutrons into atomic nuclei.
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- The theory that describes the strong force is called “quantum chromo dynamics“. Under most models of quantum chromo dynamics, strong atomic forces don't need to conform to something called “charge-parity symmetry“, or “CP symmetry“; yet for some reason, they do. This is known as the “strong CP problem“.
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- These symmetric strong interactions also contribute to preventing a universe crunch. So a combination of a “light Higgs boson” and “CP symmetry” in the “strong force” could have contributed to the long-term survival of our Universe when others winked back out of existence.
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- This is just one of many possible explanations for the mass of the Higgs boson. But it offers avenues of exploration for helping to solve some of the other outstanding mysteries of our Universe.
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- This model stands out because it is simple, generic, and solves these two seemingly unrelated puzzles at once. It predicts distinctive features in data from experiments that aim to search for dark matter or for an “electric dipole moment” in the neutron and other hadrons.
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- Probing the Higgs boson is not an easy task because it has a lifespan of about one-septillionth of a second before it decays into less massive particles. Physicists seek to understand the Higgs boson studying these less massive particles, but it's painstaking.
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- Future experimental work should allow tests of the team's theory since their work also predicted the existence of a new particle.
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- The Large Hadron Collider is due to be fired up again later this year, 2022. after being shut down at the start of 2019 for upgrades. It will be fascinating to see what emerges. Could we really discover very little particles that explain the Universe?
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- If our universe survived did other universes survive. I did not know universe could be plural. Blows my mind!
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March 10, 2022 MULTIVERSE - are there more than one universe? 3499
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