The new measurement of the W boson alters what we know about physics.

The latest measurement of the W boson is upsetting physics, physicists and much more the media.

In nature there are four "interactions" that are electromagnetism, gravity, the strong nuclear force and the weak nuclear force and each of them is associated with a particle, each particle transports the minimum unit of each force or each interaction, thus, the carrier particle of the electromagnetism electron is the photon, that of the strong nuclear force is the gluons that hold the quarks tightly together, which are the ones that form the protons and neutrons and, in the end, are the ones that build the atoms.

The carriers of the weak force are the W and Z bosons responsible for the radioactive decay of subatomic particles, we lack the interaction of gravity, but the problem is that no one has yet managed to find the "graviton" we still have a lot to learn .

We are going to focus on the subject of the weak force or the weak interaction, the w and z bosons, the standard model of physics predicts that each particle has a certain mass and this is so that everything fits, if one turns out that it does not have the mass that is calculated, means that something does not fit because obviously the theories will be very nice but the important thing, what rules in the end is reality, what is captured from nature what we learn from it.

So if any of these particles had a different mass than the calculated one, then things could get very complicated, it could happen that there is simply something that does not fit correctly or it could be that a whole door is opened to a new territory of physics that we do not know completely.

This is what would happen now if the measurement of the w boson is confirmed, which is the last but it is not the only one that has been made, many other previous measurements have been made and all the previous ones fit more or less with what the standard model, but according to the new measurement the mass of the w boson turns out to be significantly higher than predicted by theory, with a standard deviation of 7 sigma and this is technically a lot.

The question now is the measurement has been done well, it is an error, well no, it cannot be said, at least not so easily, because the level of precision with which it has been done is frightening, the result frightens so that you have an idea, the result was obtained by a group of more than 400 scientists and have been working for a decade examining up to 4 million w bosons, from a data set of 450 trillion collisions.

To detect these particles that last only a tiny fraction of a second, what is done is that particles collide with each other in hadron colliders in this case and what they do is study that collision, the particles that arise in that energetic collision are quickly study and analyze, this is what they have done. 450 billion collisions, 10 years of work, 400 scientists!

It has done this with Tevatron, a collider that stopped working in 2011 but physicists have been working on the data mine left by this tool and it is really scary, the level of precision and the level of work that is in this task, for that reason it would be difficult to say that it is an error, but I have already said that a debate is going to open on the matter, a debate that these things of science can take years.

According to this study, we could be, if confirmed, facing a new crack in the model of physics that we know, a crack that could lead us to a new research territory.

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