Tagged Questions
3
votes
1answer
88 views
What algorithms are used for track reconstruction in cloud chambers?
In particular I'm interested in any algorithms that can separate multiple tracks from one another reliably.
4
votes
0answers
150 views
Parity and Helicity of the Higgs Boson
I have been studying how the spin and parity of the new boson discovered at the LHC will be studied and have run into some confusion. The Standard Model Higgs is expected to be a scalar (i.e. have ...
4
votes
2answers
236 views
Vector Boson Fusion
I have been reading about the production mechanisms for the Higgs at the LHC. It is always mentioned that for Vector Boson Fusion, the initial quarks cause jets that are back to back and with a higher ...
2
votes
1answer
67 views
random triggers
I understand that a small proportion of events at the LHC that would not trigger on any deterministic trigger are saved on what might be called a random trigger, so that, amongst other uses, proposed ...
4
votes
2answers
179 views
What has been measured at the Higgs experiment and what do we know now?
Explained at the level of a 5$^{\text {th}}$ semester physics student (i.e. pre QFT, but far beyond the level of a news article for non-physicists, which avoids all details and only deals in ...
3
votes
2answers
254 views
What is the highest accuracy of measuring time differences achievable today?
I was wondering if it would be possible to shorten the distance between detectors when measuring the speed of neutrinos to, say, 7m rather than the current ~700km? In this way the distance traveled ...
6
votes
2answers
202 views
How is the distance between Geneva detector and the Gran Sasso one measured?
Does anyone know how is the distance between detectors in the now famous neutrino experiment measured? Also, how was the time of flight measured?
