Search found 165 matches

by tswsl1989
Wed Apr 14, 2010 8:28 pm
Forum: Controversial topics
Topic: Several biggest errors of particle physicists.
Replies: 1135
Views: 247937

Re: Several biggest errors of particle physicists.

Splitting the topic around here would be reasonable.
by tswsl1989
Wed Apr 14, 2010 7:01 pm
Forum: Controversial topics
Topic: Several biggest errors of particle physicists.
Replies: 1135
Views: 247937

Re: Several biggest errors of particle physicists.

I don't understand why they keep on working with vectors, they are no good when things become complicated. Possibly because particles have a velocity (A speed and a direction) at every point at which they're measured? Velocity being a vector quantity. Vectors see heavy usage in particle physics in ...
by tswsl1989
Wed Apr 14, 2010 5:32 pm
Forum: Controversial topics
Topic: Several biggest errors of particle physicists.
Replies: 1135
Views: 247937

Re: Several biggest errors of particle physicists.

Something has triggered the software to come up with this. Indeed it could be nothing, but what if a particle starts to fly in an unexpected direction or way, for which the software isn't designed to calculate, than the result would be ... ? Either a best approximation of "normal" behaviour, and/or...
by tswsl1989
Sun Apr 11, 2010 7:25 pm
Forum: Controversial topics
Topic: Several biggest errors of particle physicists.
Replies: 1135
Views: 247937

Re: Several biggest errors of particle physicists.

Perhaps not in the vacuum of the beam pipe but once the collisions happen there is a lot of Bremsstrahlung, and there are Bose quasi-particles (phonons, magnons, plasmons) I don't think the particle densities exist for phonons etc to exist and propagate within the collision debris Indeed the standa...
by tswsl1989
Sun Apr 11, 2010 9:08 am
Forum: The Accelerator
Topic: What really happens at the LHC
Replies: 0
Views: 2378

What really happens at the LHC

Brian Cox talks about what happens at the LHC

Not finished watching it yet, but it's a nice explanation of the experiment so far.
Couldn't see a link to it anywhere else on the forum, so thought people might want to take a look.
by tswsl1989
Sat Apr 10, 2010 8:53 am
Forum: New Users Start Here
Topic: What do the displays mean ?
Replies: 85
Views: 59262

Re: What do the displays mean ?

A few of us congregate in #lhc on irc.gimp.org
You can use this link to chat through your web browser.
by tswsl1989
Sun Apr 04, 2010 12:59 pm
Forum: Science
Topic: Let's go hump hunting!
Replies: 86
Views: 24311

Re: Let's go hump hunting!

UK grid is 50Hz, +- 1% (By law, in practice it's closer)
50.50Hz is right on the upper bound of that range.
by tswsl1989
Sat Apr 03, 2010 4:09 pm
Forum: The Accelerator
Topic: Protons
Replies: 11
Views: 3285

Re: Protons

I'd expect most of the D2/T2 to have been removed before the gas was bottled, as these have uses elsewhere. Eitherway, any stray D/T would probably be "left behind" as you said Danny. They won't follow the same curvature in a magnetic field either, so would impact against the sides of the beam tubes...
by tswsl1989
Thu Apr 01, 2010 7:42 pm
Forum: The Accelerator
Topic: Can't get on Chat with Mibbit
Replies: 5
Views: 1577

Re: Can't get on Chat with Mibbit

Sounds like you're still trying to get onto #lhc on efnet.
Check that the server is irc.gimp.org
by tswsl1989
Tue Mar 30, 2010 11:00 pm
Forum: The Accelerator
Topic: Where is a good "IP For Dummies" description?
Replies: 10
Views: 2654

Re: Where is a good "IP For Dummies" description?

Courtesy of one of the guys in #lhc today, we have a nice animation showing the process of aligning the beams for collisions at an IP

http://sucs.org/~tswsl1989/Physics/Atlas-CMS-Beams.gif
by tswsl1989
Tue Mar 30, 2010 6:34 pm
Forum: New Users Start Here
Topic: Disco Legend Zeke enters the room.
Replies: 6
Views: 4799

Re: Disco Legend Zeke enters the room.

Thanks for the welcome. No problem :) In truth it is not Math free, but its a math of probability, slot machine pulls. In spite of its simplicity, it can explain stuff like single photon slit experiments without treating our poor photon as a wave. Sounds similar to existing quantum mechanics. Apolo...
by tswsl1989
Tue Mar 30, 2010 4:49 pm
Forum: New Users Start Here
Topic: Disco Legend Zeke enters the room.
Replies: 6
Views: 4799

Re: Disco Legend Zeke enters the room.

Understandable but math free -> Cannot be calculated -> Cannot be proved/disproved -> Has no value. If your model has mathematically well defined experimental properties, brilliant :) Time to start seeing if it's a potential contender, alongside string theory, supersymmetry , extensions to the stand...
by tswsl1989
Fri Mar 26, 2010 11:40 am
Forum: The Accelerator
Topic: Proton vs Graphite
Replies: 44
Views: 6682

Re: Proton vs Graphite

Perhaps this will help. Yes, the dump will have involved 3.5TeV of energy. A 3.5TeV collision is one where the energy involved is 3.5TeV and the total momentum is zero (or very close to zero). As the dump into the graphite has non-zero momentum, it isn't a 3.5TeV collision in the particle physics se...
by tswsl1989
Tue Mar 23, 2010 9:43 pm
Forum: The Accelerator
Topic: Accelerator magnet models
Replies: 3
Views: 1954

Re: Accelerator magnet models

Looks nice from the picture on the website. Can't run it on here (No VectorPlot in Mathematica 6), but I look forward to having a proper look on Mathematica 7 when I'm next in the labs