Mysterious Leptoquarks Could Bind Both Types of Matter. That Is, If They Exist
Mysterious Leptoquarks Could Bind Both Types of Matter. That Is, If They Exist
Mysterious Leptoquarks Could Bind Both Types of Matter. That Is, If They Exist
Physicists are looking for an elusive particle that oscillates in both directions, and if they do find it, it could explain several strange results found in atom destroyers around the world.
In modern physicsMatter is divided at its most basic level into two types of particles: on the one hand, quarks, which often come together to form protons and neutrons, which in turn form the nucleus of atoms. On the other hand are the leptons. These include everything else with mass, from ordinary electrons to more exotic muons and taus, up to Weak neutrinos, almost undetectable.. Under normal circumstances, these particles adhere mainly to their own class; quarks mainly interact with other quarks, and leptons with other leptons.
But physicists suspect that there are more particles out there. Much more. And one of those kinds of proposed particles is called leptoquark. If they exist, the leptoquarks would cover the gap between the leptons and the quarks, coupling with both types of particles. No one has found direct evidence of the existence of leptoquarks, but researchers have reason to suspect that they are out there. In September, the experimenters at the Large Hadron Collider (LHC) He published the results of several experiments in the arXiv prepress magazine. Designed to prove or disprove your existence.
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"The leptoquarks have become one of the most tempting ideas to expand our calculations, since they allow us to explain several observed anomalies," said Roman Kogler, an LHC physicist. he said in a statement.
What are these anomalies? Past experiments at the LHC, Fermilab and elsewhere have yielded strange results, with more "events" where particles were created than the dominant physical theories predicted. The leptoquarks, which would decompose in rains of other particles shortly after their creation, could explain these additional events.
To hunt the leptoquark, the LHC researchers examine huge volumes of data. The LHC crushes protons at extremely high energies, and hope isthat, over time, patterns will emerge in the data from those collisions that would show that leptoquarks occasionally appear briefly in that creative fire.
So far, the newly published articles have only ruled out certain types of leptoquarks, which shows that the leptoquarks that bind leptons to quarks at particular energy levels have not yet emerged. But there are still wide ranges of energy to explore.
Yiming Zhong, a physicist at Boston University and co-author of a theoretical article of October 2017 published in The Journal of High Energy Physics entitled The Leptoquark Hunter's GuideHe said that while it is exciting to see LHC researchers hunting leptoquarks, he thinks his vision of the multiple-coupled particle is too narrow.
Particle physicists divide matter particles not only into leptons and quarks, but into categories they call "generations." Quarks up and down, as well as electron and electron neutrinos, are "first generation" quarks and leptons. The second generation includes charm and strange quarks, as well as muons and muon neutrinos. And the top quarks, bottom quarks, taus and tau neutrinos make up the third generation, according to CERN, the European Organization for Nuclear Research, which operates the LHC. The first-generation particles are lighter and more stable, while the second and third generations are more massive and shorter-lived.
All leptoquark searches published by the LHC assume that leptoquarks follow generational rules that govern known particles. A third generation leptoquark could join with a tau and a bottom quark. A second generation could join a muon and a strange quark. And so.
But Zhong told Live Science that any full-fledged leptoquark fighter must assume that "multigenerational leptoquarks" could be there, moving wildly, perhaps from first-generation electrons to third-generation down quarks. He said he had heard rumors that researchers are ready to begin a search of this type, but that none of the articles published by the LHC reflects that openness to possibility.
Meanwhile, the leptoquarks can be there, coupling briefly with the particles they choose before disappearing in an instant. Or maybe not. For now, the hunting of the leptoquark is still under way.
Originally published in Living science.
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