Can the mythical fifth force explain why dark matter is invisible?

"Researchers are testing whether dark matter obeys the same rules as visible matter or if a hidden force influences the unseen structure of the Universe. Credit: Stock" (ScitechDaily, Is Dark Matter Controlled by a Secret “Fifth Force”?)

There is a possibility. That's the dark matter strange form. That makes it invisible to our sensors is from the mythic fifth force. Today. The fifth force is a hypothetical interaction. The Muon g-2 anomaly in Fermilab and Brookhaven gave hope that this force could be true. Those anomalies were real. The thing. What caused those anomalies? It is a mystery. The anomaly is so weak. That it fits between the predicted values. So those results are contradictory. But it's possible that those results are a hint about the fifth force. 

It's also possible that dark matter is a source of dark energy. So, are dark energy and the fifth force the same thing? Nobody knows. 

The new measurements tell. There can be some other interactions between visible and dark matter. But those interactions are so weak. That they disappear under the glow of visible material. Mystic gamma-ray glow in the center of the Milky Way can form in cases when the supermassive black hole Sgr A* packs dark matter, or hypothetical dark matter particles, weakly interacting massive particles, WIMPs, in a small area. 

There, those particles can form. High-energy interaction. We can see that thing as the gamma-ray glow. That means dark matter can have similar interactions. As visible matter. But those particles are somehow different. That visible matter covers those dark matter interactions under it. It’s possible that WIMP is a very small high-energy particle. That we cannot detect. It’s possible that WIMP. And the graviton, the hypothetical gravitational transportation particle, is the same thing. But that is only one hypothesis. 

If dark matter doesn’t defy gravity, we must ask what makes that matter existent? That’s the gravity effect of that strange, unseen thing. There is a possibility. The dark matter is particles. Like some kind of quarks. Sometimes. It is theorized about. The possibility that dark matter particles, hypothetical weakly interacting massive particles, WIMPs, are somehow similar to quarks.

But they have no ability. To form more complicated particle groups. Like hadrons. That means. There must be some kind of force that keeps those, still hypothetical particles, separated. The fact is that. If two similar particles have the same energy level. That forms a standing wave between them. And that pushes particles away from each other. 

There is a possibility that those particles send some kind of energy. which forms quantum-size electric arcs between them. That means WIMPs can explain the dark energy. So maybe dark energy form. When those hypothetical WIMP particles send energy when they impact each other. Or maybe the cases where WIMP turns into wave movement are the thing. That releases the energy that it stored. And maybe, we see that energy as dark energy. 

If the WIMP is a particle that is surrounded by a so-called standing wave that makes it is unable to reflect radiation. In some theories. That WIMP is a quantum-sized black hole. And energy slides into its spin axle. The WIMP condenses the energy fields and forms a thing that we can call dark energy. 

Above: The Fermilab results of the Muon g-2 anomaly in 2025. We can see that the results of the Muon magnetic field observations are minimally out of the range. That means Muon g-2 test results can be explained by the conditions of the test and measurement tools. But those anomalies still exist. 

But then we can ask what the fifth force is. Sometimes people say that the fifth force is the antigravity. There must be some kind of particle that transmits gravity waves. That hypothetical particle. Called graviton waits for its finder. Some theories claim that the graviton and WIMP are the same thing. And the thing that forms that particle is the quantum-sized black hole. The idea is that this particle can have a transition disk and a relativistic beam. like full-size black holes. 

Those things are so small that we cannot see them. There is the possibility that. Because those small black holes have a transition disk. That thing pushes them. Away from each other. There is a possibility that quantum gravity is not the same as full-size gravity. And in some models, dark energy is the antigravity, the energy that fills the gravity waves, or energy valleys between those waves. The fifth force could have its origin in the WIMPs that stored too much energy. 

"A mysterious gamma-ray light from the center of our galaxy may be the long-sought sign of dark matter. Credit: Shutterstock" (ScitechDaily, A Strange Glow in the Milky Way May Be Our First Glimpse of Dark Matter)

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The expansion of the universe means that if dark energy formed during the Big Bang, the expansion should make dark energy weaker. When the universe expands. And there is the same amount of dark energy. That means the dark energy should turn weaker, because it must fill a larger space. 

Another possibility is that the universe leaks. Dark energy is a wave movement that should travel at the speed of light. That means dark energy can travel out of the universe before particles. So if dark energy travels out from the universe, and there is no dark energy that comes from outside the universe. That means there is less dark energy left in the universe. 

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Maybe. One of the reasons for that is the expansion of the universe. But if we think that the universe’s expansion causes the dark energy to turn stronger. We face an interesting research. That research tells us that the universe’s expansion is slowing. That challenges the established theories that dark energy is stable. If dark energy formed in the Big Bang. That means it should advance. When the universe expands. 

The domination of the four known fundamental interactions changes. First, the strong nuclear force was dominating. Then the weak nuclear force. Electromagnetism. And then gravitation. Now dominating is a strange dark energy. When particle distances grow. There is more free energy between them. Dark energy is free energy that rips the universe. That’s the simple model. 

The complicated model is. Dark energy turns weaker. As well as. The other four interactions. In this mode. The universe leaks energy away from it. So, if dark energy travels out from the universe faster than it expands. Dark energy travels at the speed of light. And matter behind it travels slower. That means dark energy can exit the universe before any particle. That means dark energy should also turn weaker. 

The universe's expansion turns it larger. And if all dark energy is released from the Big Bang, that means the expansion of the universe should turn dark energy weaker, because there is a static amount of dark energy to fill a larger universe. So, even if dark energy does not escape from the universe before matter, that means dark energy turns weaker anyway. 

https://news.fnal.gov/2025/06/muon-g-2-most-precise-measurement-of-muon-magnetic-anomaly/

https://phys.org/news/2025-11-dark-defy-gravity.html

https://scitechdaily.com/a-strange-glow-in-the-milky-way-may-be-our-first-glimpse-of-dark-matter/

https://scitechdaily.com/is-dark-matter-controlled-by-a-secret-fifth-force/

https://scitechdaily.com/what-if-einstein-was-only-half-right-nasas-new-test-for-dark-energy/

https://scitechdaily.com/the-universe-will-end-in-a-big-crunch-physicists-warns/

https://en.wikipedia.org/wiki/Big_Crunch

https://en.wikipedia.org/wiki/Dark_energy

https://en.wikipedia.org/wiki/Dark_matter

https://en.wikipedia.org/wiki/Fifth_force

https://en.wikipedia.org/wiki/Fundamental_interaction

https://en.wikipedia.org/wiki/Graviton

https://en.wikipedia.org/wiki/Hadron

https://en.wikipedia.org/wiki/Muon_g-2

https://en.wikipedia.org/wiki/Shape_of_the_universe

https://en.wikipedia.org/wiki/Ultimate_fate_of_the_universe

https://en.wikipedia.org/wiki/Weakly_interacting_massive_particle