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Jay-qu's Profile User Rating: *****

Jay-qu's Photo
Reputation: 188741 Excellent
Group:
Moderators
Active Posts:
6,360 (2.4 per day)
Most Active In:
Watercooler (885 posts)
Joined:
26-February 05
Profile Views:
7,257
Last Active:
User is offline Today, 10:36 AM
Currently:
Offline

My Information

Member Title:
Ancora Imparo
Age:
24 years old
Birthday:
January 27, 1988
Gender:
Not Telling Not Telling

Contact Information

E-mail:
Click here to e-mail me
Website URL:
Website URL  http://www.physicsguides.com

Converted

Biography:
In the process of becoming an Astro-physicist
Location:
Australia
Interests:
astronomy, basketball, bodyboarding, skiing
Occupation:
student
  1. Recent Status Updates
  2. About Me
  3. Topics
  4. Posts
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  7. Issues

Posts I've Made

  1. In Topic: Problems With Dark Matter

    23 May 2012 - 01:26 AM

    View PostPetTastic, on 26 April 2012 - 07:58 AM, said:

    Dark matter bashing is getting very popular.

    Milky ways' companions don't fit dark matter models(The Royal Astronomical Society)



    No dark matter within 13,000 lightyears



    Just yesterday a new result was published showing that study to be incorrect. They made an incorrect assumption about how stars move within our galaxy, see here for the details: http://arxiv.org/abs/1205.4033

    J

  2. In Topic: What Travels Faster Than What?

    19 October 2011 - 10:52 PM

    I don't think Elburg's point is relevant. The distance measurements are made with the GPS and transformed into the European Terrestrial Reference System (set in 2000 (it changes due to continental drift)), this is routine GPS work requiring special and general relativity. The timing measurements are checked with synchronised Caesium atomic clocks at each lab.

    I like your idea Qfwfq, but how do you resolve it with supernova neutrino observations?

  3. In Topic: What Travels Faster Than What?

    30 September 2011 - 11:45 PM

    While this is a potentially exciting result, I am highly sceptical. Fitting the neutrino beam "profile", a mere 16,000 counts over the life of the experiment, to the proton beam is tricky to say the least. Before systematic effects are subtracted there is discrepancy of 1050ns, they account for -990ns, leaving the neutrinos 60ns faster than light over the ~720km. Have a look at figure 11/12 and ask yourself how much difference it makes to the fit if you shift the red line by just 50ns (one division/bin in fig 12) to the right. This would bring the result within error of c. And you don't have to worry about upsetting the fit for the trailing edge, no errors for the possible change in beam profile have been included.

    A further sobering note worth pointing out is that 30 physicists (of the 200) in the collaboration asked to have their names removed from this result.

  4. In Topic: Hi There, I'm New, And I've Brought Cookies....

    15 May 2011 - 04:57 AM

    Welcome aboard :) do not be shy to ask anything, we will be gentle.

  5. In Topic: Standard Model

    11 May 2011 - 06:05 AM

    This isn't a very complete poll.. we know the Standard Model does not explain everything, but it does do a tremendous job of describing physics within its domain of validity. The current results collected by the LHC have not done much more than the Tevatron has already, but by the end of the year the LHC will have charted some new territory.

    The 'Standard' Standard Model has a simple form of the Higgs, but it is likely that the Higgs mechanism will be effected by or be part of physics beyond the Standard Model. Unfortunately our current experiments don't give us much to go by, but hopefully in the next 10 years the LHC will give us something new - and even better, give us something completely unexpected.

Comments

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  1. Photo

    Turtle 

    29 Mar 2012 - 13:22
    going ok up here, though it snowed a few days ago and it's been raining like crazy since. math research going good; check the non-fig thread end if you get the time. beenspending lots of time with the grandkids; talk about dark energy!! lol thnx for the note & best of luck with your work. :)
  2. Photo

    Turtle 

    29 Mar 2012 - 13:22
    going ok up here, though it snowed a few days ago and it's been raining like crazy since. math research going good; check the non-fig thread end if you get the time. beenspending lots of time with the grandkids; talk about dark energy!! lol thnx for the note & best of luck with your work. :)
  3. Photo

    Turtle 

    28 Mar 2012 - 21:20
    how's those studies coming?
  4. Photo

    Turtle 

    28 Mar 2012 - 21:20
    how's those studies coming?
  5. Photo

    Turtle 

    14 Sep 2011 - 12:52
    roger! you know where to find me. :)
  6. Photo

    Turtle 

    14 Sep 2011 - 12:45
    congratulations!!! :party_cheers: are you doing research there? find a reason to have to come to the goldendale observatory in washington & i'll drive out & treat you to some micro-brewskies. if you lectured @OMSI in portland oregon i won't have to drive as far. lol:)
  7. Photo

    Turtle 

    14 Sep 2011 - 12:37
    things are generally good. fire smoke and marine clouds and too-small of binoculars have kept me from seeing the new supernova though. have you looked at it yet?
    the non-figurate (non-polygonal) numbers thread is still going strong. lot's of new propositions and a few proofs & some exciting new maps. :) you graduating soon? over...
  8. Photo

    Turtle 

    14 Sep 2011 - 12:31
    hi stranger! :)
  9. Photo

    Turtle 

    27 Jan 2011 - 20:51
    i'm a time traveler don't ya know. ;)
  10. Photo

    Turtle 

    27 Jan 2011 - 09:50
    happy birthday j!! :partycheers: tip a cold one for me. :)
  11. Photo

    Tormod 

    17 Aug 2010 - 22:45
    You can now use the "Watch this forum" and "Wach this topic" above each forum or topic. It is then displayed on the front page right column. Probably somewhere else too... :)
  12. Photo

    Tormod 

    17 Aug 2010 - 22:38
    The UserCP is now found by clicking on your name up in the right corner, where the login area is!
  13. Photo

    Tormod 

    17 Aug 2010 - 22:32
    Hey mate. Seems we are getting back to business on this new platform...there are a ton of settings...! :)
  14. Photo

    Turtle 

    27 Jan 2010 - 04:04
    [B][COLOR="Red"]happy b-day downundrian! [/COLOR][/B]:bdayparty: :xmas_gift:
  15. Photo

    Chacmool 

    27 Jan 2010 - 03:05
    Happy birthday! :bdayhappy_balloons:
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