Searching for Dark Matter Through the Fifth Dimension – New Theoretical Physics Discovery to Help Unravel the Mysteries of Dark Matter

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Theoretical physicists of the PRISMA+ Cluster of Excellence at Johannes Gutenberg University Mainz (JGU) are dealing with a theory that surpasses the Standard Model of particle physics and can respond to concerns where the Standard Model needs to pass – for instance, with regard to the hierarchies of the masses of primary particles or the presence of dark matter. The main component of the theory is an additional measurement in spacetime. Until now, researchers have actually dealt with the issue that the forecasts of their theory might not be checked experimentally. They have actually now conquered this issue in a publication in the existing problem of the European Physical Journal C.

Already in the 1920s, in an effort to combine the forces of gravity and electromagnetism, Theodor Kaluza and Oskar Klein hypothesized about the presence of an additional measurement beyond the familiar 3 area measurements and time – which in physics are integrated into 4-dimensional spacetime. If it exists, such a brand-new measurement would need to be extraordinary small and undetectable to the human eye.

In the late 1990s, this concept saw an exceptional renaissance when it was understood that the presence of a 5th measurement might fix a few of the extensive open concerns of particle physics. In specific, Yuval Grossman of Stanford University and Matthias Neubert, then a teacher at Cornell University in the United States, displayed in an extremely pointed out publication that the embedding of the Standard Model of particle physics in a 5-dimensional spacetime might discuss the so-far mystical patterns seen in the masses of primary particles.

Another 20 years later on, the group of Professor Matthias Neubert – given that 2006 on the professors of Johannes Gutenberg University Mainz and representative of the PRISMA+ Cluster of Excellence – made another unanticipated discovery: they discovered that the 5-dimensional field formulas anticipated the presence of a brand-new heavy particle with comparable residential or commercial properties as the well-known Higgs boson however a much heavier mass – so heavy, in reality, that it cannot be produced even at the highest-energy particle collider worldwide, the Large Hadron Collider (LHC) at the European Center for Nuclear Research CERN near Geneva in Switzerland.

“It was a nightmare,” remembered Javier Castellano Ruiz, a PhD trainee associated with the research study. “We were excited by the idea that our theory predicts a new particle, but it appeared to be impossible to confirm this prediction in any foreseeable experiment.”

The detour through the 5th measurement

In a current paper released in the European Physical Journal C, the scientists discovered an incredible resolution to this issue. They found that their proposed particle would always moderate a brand-new force in between the recognized primary particles of our noticeable universe and the mystical dark matter, the dark sector.

Even the abundance of dark matter in the universes, as observed in astrophysical experiments, can be described by their theory. This provides interesting brand-new methods to look for the constituents of the dark matter – actually by means of a detour through the additional measurement – and acquire ideas about the physics at a really early phase in the history of our universe, when dark matter was produced.

“After years of searching for possible confirmations of our theoretical predictions, we are now confident that the mechanism we have discovered would make dark matter accessible to forthcoming experiments, because the properties of the new interaction between ordinary matter and dark matter – which is mediated by our proposed particle – can be calculated accurately within our theory,” stated Professor Matthias Neubert, head of the research study group.

“In the end – so our hope – the new particle may be discovered first through its interactions with the dark sector.” This example perfectly shows the worthwhile interaction in between speculative and theoretical fundamental science – a trademark of the PRISMA+ Cluster of Excellence.

Reference: “A warped scalar portal to fermionic dark matter” by Adrian Carmona, Javier Castellano Ruiz and Matthias Neubert, 20 January 2021, The European Physical Journal C.
DOI: 10.1140/epjc/s10052-021-08851-0



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