Jan 11, 2012 · What exactly is $p_T$? Is it simply momentum, but with the component parallel to the main beam projected off? Also, why is $p_T$, as opposed to $p$, an important …

So that decaying particle has a decay constant which is the sum of the decay constants for all of the possible modes of decay. At the moment of decay the decaying particle chooses one …

Chirality is a fundamental property of a particle; particles which differ in terms of chirality can be viewed as an entirely different type of particle. It refers to how a particle's quantum mechanical …

Feb 16, 2019 · However, the study of physics makes clear that there are more natural, fundamental ways to choose units independent of human experience. Since Einstein, relativity …

I know classical physics, quantum mechanics, special relativity, and basic nuclear physics. I would like to get into some particle physics. Where can I find a good introduction? It might be usefu...

Aug 7, 2016 · According to quantum electrodynamics, the most accurately verified theory in physics, a photon is a single-particle excitation of the free quantum electromagnetic field.

Dec 29, 2020 · What are the fields that exist in the standard model and QFT? I know the electromagnetic field and the Higgs field, but what other fields are there? Also, how do they …

May 9, 2020 · Leonard Susskind had recorded many video lectures across many branches of physics and all of can be found on this official website. Pdf versions of three of the video …

This was a statement given in my class: " Strangeness is conserved in the strong and electromagnetic interactions, but not in a weak interaction " But could someone please tell me …

Sep 16, 2022 · See this answer which is somewhat technical (undergraduate-physics-major level). When you add quantum mechanics, you get particle-like behavior of the field, and each …