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What’s Next After the Higgs?

July 30, 2012, 4:52 PM

The discovery of the Higgs boson was a real milestone for physics, a tremendous vindication of the hard work of thousands of physicists and engineers for the past 30 years.

But this is just the beginning. The recent Higgs boson is just the first of a series of new forms of matter and energy. The Higgs boson will probably get a Nobel prize for Prof. Peter Higgs and colleagues, but a shelf of Nobel Prizes awaits the physicists who can decipher the next generation of particles.

The Higgs boson was the last missing particle in the current Standard Model of particles, which describes just 4% of the known universe, and contains electrons, neutrinos, quarks, etc.

But 23% of the universe is made of Dark Matter, and 73% is made of Dark Energy, and we physicists are clueless to understand what they are. So most of the universe, 96% in fact, is beyond our present day understanding. (So all high school textbooks which say that the universe is mainly made of atoms are wrong and have to be revised.)

To understand the big picture of where all this fits in, recall that there are 4 fundamental forces which rule the universe:

gravity, electromagnetism, the weak nuclear force, and the strong nuclear force.

We physicists believe that, at the instant of Genesis, all four forces were probably unified into a single Superforce, which was highly symmetrical and beautiful. (The leading candidate for the Superforce is String Theory, which is what I do for a living. That is my day job).

All particles had the same mass (zero) and were manifestations of a single object, the Superforce, at the beginning of time, before the big bang. Think of it as a perfect crystal, gorgeous in its symmetry and beauty, but it had a flaw. It was unstable, and shattered into 4 pieces.

The universe today is highly unsymmetrical. We have rocks, planets, asteroids, comets, etc. Something must have shattered the original symmetry of the Superforce. We think the thing which shattered the symmetry of the Superforce was a series of Higgs bosons.

The first Higgs boson is called the inflaton, and we think set the big bang into motion. It put the “bang” in the big bang. (The press calls the Higgs boson the God particle, which makes physicists cringe. But there is some truth there. In the Bible, God set the universe into motion. Physicists believe the universe was created by a big bang 13.7 billion years ago. But what set the expanding universe into motion? We think it was a Higgs-like boson.)

We think that a particle like the “inflaton” shattered the original symmetry, so the Superforce broke into two pieces, gravity, and the grand unified theory (GUT), the later which contains all the matter in the universe.

i.e. Superforce  ->  Gravity + GUT

Later, another Higgs boson shattered the symmetry of the GUT, and we have the the GUT breaking into the strong and electro-weak force:

i.e. GUT -> Strong + Electro-weak force

Finally, we have the last Higgs particle (the one just found last month) which breaks the electro-weak force into the usual electromagnetic and weak nuclear force:

Electro-weak force -> Electromagnetism + Weak Force

So the Higgs just discovered is the latest in a series of Higgs boson, each of which breaks the original symmetry of the Superforce into the highly broken universe of today.

The leading candidate for the Superforce is String Theory, which is yet unproven. But the Large Hadron Collider might be powerful enough to create Dark Matter, a new form of invisible matter. So far, the leading candidate for Dark Matter is the sparticle, or super particle, which is a higher resonance of the string.

So in this picture, the Standard Model and Einstein’s theory of gravity is just the lowest octave of the string. But the string has higher notes or resonances, and we string theorists believe that Dark Matter is just a higher musical note of the string.

In conclusion, the Higgs boson is just the first of a series of new particles. One class of Higgs bosons, for example, was the match or spark which set off the big bang. So all of us, in some sense, are byproducts of this Higgs boson.

Next, we hope to find evidence of Dark Matter with the Large Hadron Collider, which may be a higher resonance of the string. And beyond that, we hope to find evidence of parallel universes and higher dimensions predicted by string theory.

So the adventure is just beginning. One day, we may find the Superforce, and perhaps fulfill Einstein’s dream of a theory of everything, which will allow us to “read the Mind of God,” as Einstein so eloquently wrote.

String theory, in fact, is the only theory which can give us a candidate for the mind of God. If string theory is correct, then the mind of God is cosmic music resonating in 11 dimensional hyperspace.

Image courtesy of Shutterstock


What’s Next After the Higgs?

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