PhysicsBot, new breakthrough

A new theory claims to have solved five of the biggest problems in
physics all at once.

The theory was developed by a group of French physicists at the
University of Paris-Saclay, and it introduces a few new particles in an
attempt to unify multiple different theories to solve five of the biggest
problems in physics: dark matter, cosmic inflation, the strong CP
problem, neutrino oscillations, and baryogenesis. All of these problems
in our current physics model are in some way related to the mysteries of
quantum mechanics.

The theory, dubbed SMASH, expands the Standard Model of physics. The
Standard Model is the catalog of every type of particle that physicists
know about. Included in the model are quarks (the building blocks of
protons and neutrons), electrons and neutrinos, and a number of more
exotic particles like the Higgs boson. All together, there are seventeen
different types of particles in the Standard Model.

However, there are some problems in physics that the Standard Model
can't solve. One of the biggest is the existence of dark matter. Dark
matter is a mysterious form of matter that we can't see, but accounts for
nearly all the calculated mass in the Universe. Physicists have long
suspected that dark matter may be one of the more exotic particles from
the Standard Model, but so far none of those particles seems a likely

Other physicists have proposed additions to the Standard Model, adding
more hypothetical particles, but most of those changes to the model
introduce hundreds of new particles that we can't detect. The SMASH
theory, on the other hand, only adds six.

These six theoretical particles are three different kinds of neutrino, plus
a fermion and two more called the axion and the inflaton. The axion is
the proposed candidate for dark matter. The other particles solve many
other current problems in physics, such as strange neutrino behavior,
cosmic inflation, and the origin of all matter in the universe.

The best part is that this new theory can be tested relatively soon. Parts
of this theory can be tested by the next generation of particle
accelerators and telescopes that are due to come online in the next few
years, possibly revealing the existence of these new, theoretical

We may not have long to wait before many of the universe's mysteries
become less mysterious.

Source: ArXiv via New Scientist


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