arivero said:
About d), perhaps HIMANSHU777 wants to argue that the Higgs field is not a gauge field so any "first principles justification" of the gauge fields do not justify the existence of the higgs coupling. On the other hand, I have seen some work telling that the Higgs can be understood as a Kaluza Klein field along a discrete direction, while gauge fields can be understood as KK along continuous directions.
About b), there is a subtle thing about the massless particles: the CKM matrix does not seem to exist, because we can choose mass eigenstates coinciding with the charge eigenstates. Can we?
Let me elaborate on what I have stated.
LHC experiment is likely to generate enough data to prove the validity of big bang theory as well as detect the Higgs boson to complete the standard model.
Before we get into such extraordinary experiments we must have a robust theoretical model that could be tested. An experiment in itself would be worthless if the data is not interpreted properly. In ordinary experiments data is generated is within manageable range and hence no filtering is required and we can examine all aspects, however, filtering of information would be an important part of the whole excercise related with LHC experiment and it is quite possible that we may miss out on some important information because we are just not looking for it.
Standard model is silent not only on why particle 'A' is more massive than particle 'B', it is also silent on a number of other issues that must be sorted out.
First, it is extremely important to know why particle 'A' is more massive than particle 'B'.
Since, LHC experiment would be trying to detect that little variation that exists between matter and anti-matter, therefore, detecting Higgs field itself would not be sufficient but important part would be to observe its behavior before it decays.
SM suggests that Higgs Boson is its own anti particle and even CP. Doesn't it require explanation?
While we are certain about when to look for the Higgs Boson, we have to explain the concept not in experiment conditions and have to combine the knowledge gained through the experiment in real conditions. There is absolutely no unanimity on most of the concepts in Cosmology and we are not sure what expansion of universe mean and the mechanism of expansion. Once we (scientists) have a unanimity on basic issues then only we can determine how the Higgs field keeps up with the ever expanding universe.
Big bang theory states that nothing existed before singularity appeared. Matter, anti matter, dark matter, energy, dark energy, time, and space were non-existent. It is in light of this statement that we need to examine every aspect concerning Higgs field.
One cannot be selective. Higgs field is not a gauge field and as pointed out by arivero, 'First Principle Justification' does not justify the existence of Higgs coupling. These are important issues even though they may appear to be minor.
It is indeed important that we must go into such experiments with open mind but it is also important to go into such experiments with definite plan and it is equally important to test not just one theory but all possible theories.
As we all know, Familab is reported to have found a bump in their data that might be Higgs particle. Familab scientists are working overtime to get to the right conclusions beore LHC experiment gets going.
We need to avoid such situations where we may miss on something important.
