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

Dark Matter Artists Concept

Theoretical physicists of the PRISMA+ Cluster of Excellence at Johannes Gutenberg College Mainz (JGU) are engaged on a concept that goes past the Customary Mannequin of particle physics and might reply questions the place the Customary Mannequin has to go – for instance, with respect to the hierarchies of the lots of elementary particles or the existence of darkish matter. The central factor of the concept is an additional dimension in spacetime. Till now, scientists have confronted the drawback that the predictions of their concept couldn’t be examined experimentally. They’ve now overcome this drawback in a publication in the present subject of the European Bodily Journal C.

Already in the Nineteen Twenties, in an try to unify the forces of gravity and electromagnetism, Theodor Kaluza and Oskar Klein speculated about the existence of an additional dimension past the acquainted three area dimensions and time – which in physics are mixed into four-dimensional spacetime. If it exists, such a brand new dimension would have to be unbelievable tiny and unnoticeable to the human eye.

In the late Nineteen Nineties, this concept noticed a outstanding renaissance when it was realized that the existence of a fifth dimension may resolve some of the profound open questions of particle physics. Specifically, Yuval Grossman of Stanford College and Matthias Neubert, then a professor at Cornell College in the US, confirmed in a extremely cited publication that the embedding of the Customary Mannequin of particle physics in a 5-dimensional spacetime may clarify the so-far mysterious patterns seen in the lots of elementary particles.

One other 20 years later, the group of Professor Matthias Neubert – since 2006 on the college of Johannes Gutenberg College Mainz and spokesperson of the PRISMA+ Cluster of Excellence – made one other surprising discovery: they discovered that the 5-dimensional subject equations predicted the existence of a brand new heavy particle with related properties as the well-known Higgs boson however a a lot heavier mass – so heavy, in actual fact, that it can’t be produced even at the highest-energy particle collider in the world, the Massive Hadron Collider (LHC) at the European Middle for Nuclear Analysis CERN close to Geneva in Switzerland.

“It was a nightmare,” recalled Javier Castellano Ruiz, a PhD pupil concerned in the analysis. “We had been excited by the concept that our concept predicts a brand new particle, nevertheless it appeared to be not possible to affirm this prediction in any foreseeable experiment.”

In a current paper revealed in the European Bodily Journal C, the researchers discovered a spectacular decision to this dilemma. They found that their proposed particle would essentially mediate a brand new drive between the recognized elementary particles of our seen universe and the mysterious darkish matter, the darkish sector.

Even the abundance of darkish matter in the cosmos, as noticed in astrophysical experiments, could be defined by their concept. This affords thrilling new methods to search for the constituents of the darkish matter – actually through a detour by the further dimension – and acquire clues about the physics at a really early stage in the historical past of our universe, when darkish matter was produced.

“After years of looking for attainable confirmations of our theoretical predictions, we are actually assured that the mechanism now we have found would make darkish matter accessible to forthcoming experiments, as a result of the properties of the new interplay between abnormal matter and darkish matter – which is mediated by our proposed particle – could be calculated precisely inside our concept,” stated Professor Matthias Neubert, head of the analysis crew.

“In the finish – so our hope – the new particle could also be found first by its interactions with the darkish sector.” This instance properly illustrates the fruitful interaction between experimental and theoretical primary science – an indicator of the PRISMA+ Cluster of Excellence.

Reference: “A warped scalar portal to fermionic darkish matter” by Adrian Carmona, Javier Castellano Ruiz and Matthias Neubert, 20 January 2021, The European Bodily Journal C.

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