Search found 76 matches

by photino
Fri May 06, 2011 11:40 pm
Forum: Controversial topics
Topic: Vacuum Bubbles
Replies: 18
Views: 7840

Re: Vacuum Bubbles

I simply want to know the reasons for physicists saying iron is comparable to lead. Leaving aside the "theoretical considerations", Kasuha already quoted the relevant pasage: Since the appearance of [8], the RHIC heavy-ion programme has also studied the collisions of the copper ions, which are clos...
by photino
Sun Apr 24, 2011 5:12 pm
Forum: The Accelerator
Topic: 2011 Events Discussion
Replies: 184
Views: 38232

Re: 2011 Events Discussion

Internal, unapproved, unreleased document - according to someone within the collaboration the analysis is "woefully incomplete". I'll wait until something gets published, or at least makes it as far as Arxiv Oh, absolutely. It's really unlikely to hold up. But these rumours are fun ;) Then again it...
by photino
Fri Apr 22, 2011 5:41 pm
Forum: The Accelerator
Topic: 2011 Events Discussion
Replies: 184
Views: 38232

Re: 2011 Events Discussion

4-sigma signs of a nonstandard 115 GeV Higgs... in a leaked memo from ATLAS?
http://resonaances.blogspot.com/2011/04 ... maybe.html
by photino
Sat Apr 02, 2011 12:06 pm
Forum: The Accelerator
Topic: 2011 Events Discussion
Replies: 184
Views: 38232

Re: 2011 Events Discussion

by photino
Fri Dec 17, 2010 8:46 pm
Forum: The Accelerator
Topic: Current Events Discussion
Replies: 512
Views: 73442

Re: Current Events Discussion

LHC End-of-year jamboree (talks summarizing the latest results etc)

http://indico.cern.ch/conferenceDisplay ... fId=113139
by photino
Fri Dec 17, 2010 8:26 pm
Forum: The Accelerator
Topic: Search for microscopic black holes signatures at the LHC
Replies: 2
Views: 1202

Re: Search for microscopic black holes signatures at the LHC

The production of something that is undetectable by the detectors will most definitely be noticed -- as missing energy (when adding up the energy of all the observed collision products). This is very much being looked for. It probably bears repeating that if there were no Hawking radiation, there wo...
by photino
Tue Nov 09, 2010 12:29 pm
Forum: Science
Topic: Can mass be a field?
Replies: 2
Views: 2010

Re: Can mass be a field?

I'm not sure I entirely understand your idea - mass *is* the gravitational charge (or slightly more precisely, energy and momentum). If you are trying to understand gravitation by parallels with electromagnetism, you might be heading towards Kaluza-Klein theories, which do the same thing the other w...
by photino
Fri Oct 29, 2010 9:00 am
Forum: The Accelerator
Topic: Current Events Discussion
Replies: 512
Views: 73442

Re: Current Events Discussion

CMS Fireworks Live event display

http://cms.web.cern.ch/cms/FireworksLive.html
by photino
Tue Oct 26, 2010 8:59 am
Forum: The Accelerator
Topic: Current Events Discussion
Replies: 512
Views: 73442

Re: Current Events Discussion

For your diaries: ;)

The latest LHC physics results will be presented at this conference:

Conference on LHC First Data
December 12-14, 2010
http://www.umich.edu/~mctp/LHC2010/prog.html
by photino
Thu Sep 16, 2010 9:57 am
Forum: The Accelerator
Topic: Actual progress of the LHC-physics-programm
Replies: 18
Views: 4487

Re: Actual progress of the LHC-physics-programm

I wonder why do they call it "beautiful atom" I suppose it was meant as an analogy - an atom is also a bound state of something positively charged with something negatively charged. Maybe not a very helpful one, though actually the mathematics is closely related in the sense that there is the same ...
by photino
Fri Sep 03, 2010 12:33 am
Forum: End Of The World
Topic: Need some help with Vacuum metastability disaster scenario
Replies: 10
Views: 4771

Re: Need some help with Vacuum metastability disaster scenario

Devils advocate is that the same as the latin "advocatus diaboli"? Yes Is there any reason whatsoever to think that the state of QGP could mean an increased risk? No - that's why I said "devil's advocate" ;) The point of looking at ion collisions specifically is to rule out the possibility that the...
by photino
Wed Sep 01, 2010 7:50 pm
Forum: End Of The World
Topic: Need some help with Vacuum metastability disaster scenario
Replies: 10
Views: 4771

Re: Need some help with Vacuum metastability disaster scenario

The thing I worry the most about is vacuum metastability (surprise) and the main reason I worry about it is that there is so little known about it The one thing that is known about it with certainty is that (assuming we were indeed living in a false vacuum state) nothing in the entire history of th...
by photino
Fri Aug 06, 2010 10:28 am
Forum: The Accelerator
Topic: Current Events Discussion
Replies: 512
Views: 73442

Re: Current Events Discussion

Does anybody know why they witness such a drop in instantaneous luminosity (50% in a few hours), where the beam intensity stays nearly constant?
Also luminosity is proportional to (intensity)^2, so you would expect it to drop faster.