Tuesday, June 6, 2023

The Higgs Boson, a middle ground between known physics and new physics?

The noble Higgs boson, co-responsible for the existence of mass in elementary particles, can also correspond to new and unknown physics, about which some hypotheses have been raised and for which evidence of its existence has been sought for decades.

If so, the Higgs boson is characteristically corrupted, involving exotic particles. Marcin Kucharczyk and Mateusz Goncerz, both from the Henryk Niewodniczanski Institute of Nuclear Physics, under the Academy of Sciences, have shown that if such collapses actually occur, they will be observable in the successors of the LHC (the world’s largest and most powerful particle accelerator. ) ) which are currently being designed.

Although the word “hidden valley” is not in the title of a horror or sword and sorcery novel, it nevertheless has a scientific meaning. In high-energy physics, certain models have been given a name that extends to the set of elementary particles now known. In these so-called Hidden Valley models, the particles of our universe described by the Physics model belong to the low-energy region, while the exotic particles hide in the high-energy region.

There are theoretical ideas about the exotic decay of the Higgs boson, but the truth is that this decay has never been captured before the LHC, despite many years of research. However, Kucharczyk and Goncerz argue that the decay of the Higgs boson into exotic particles should already be fully observed in the successor accelerators at the LHC, if any of the Hidden Valley models turn out to be consistent with reality.

He may be looking for a way to capture the collapse of the Higgs boson in future particle accelerators by capturing exotic leptons. 1 : Electron and position collide with opposite beams. 2: the collision produces a high-energy Higgs boson. 3: the boson disintegrates, generating two exotic particles that move away from the axis of the radiation. 4: exotic particles are dissolved pairs of quark-antiquark generators, detectable by detectors. (Image: IFJ PAN. CC BY-SA)

“In the Hidden Valley we have two examples of particles separated by an energy barrier. The theory is that exotic particles can be massive particles that can cross the barrier under certain circumstances. Particles like the Higgs boson or the molecular Z boson” (Z. -prime boson) could act as communicators between particles of one world and of another. The Higgs boson, one of the most massive particles in the Latin Model, is a very good candidate to be such a communicator,” explains Kucharczyk.

The communicator, after passing into the low energy region, would shatter into two fairly large exotic particles. In a matter of picoseconds (billionths of a second) each of these particles would have disintegrated into two other particles of even less mass, which would fit into the Vulgate model and would be detectable. The particulars of his appearance and behavior would be sufficient, together with other clues, to reveal his ultimate origin in the particles of other physics.

The study is entitled “Search for exotic Higgs boson decays into living particles with jet pairs in the final state at CLIC”. And it was published in the Journal of High Energy Physics. (Source: NCYT from Amazing)

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