Steve, List,
An explanation of the experiment's relativistic error
can be found here:
van Elburg, R. A. J., 2011, Times of Flight between a
Source and a Detector observed from a GPS satelite.
arXiv:1110.2685v1 [physics.gen-ph]
http://arxiv.org/abs/1110.2685
PDF file at
http://arxiv.org/pdf/1110.2685v1
The relativistic error is 32 ns each way, so the total
error is 64 ns, which is exactly the time-beating pace
of the faster-than-light neutrinos reported. It's a
pretty straightforward error, using the baseline reference
frame rather than the clock reference frame.
Sterling K. Webb
------------------------------------------------------------------------------
----- Original Message -----
From: "Steve Dunklee" <[email protected]>
To: <[email protected]>; "JoshuaTreeMuseum"
<[email protected]>
Sent: Sunday, November 20, 2011 11:21 AM
Subject: Re: [meteorite-list] Second experiment confirms
faster-than-lightparticles gps accuracy
This article contains gps info and accuracy . It states it depends on
the earths movement and other factors and gives an accuracy of 14
nanoseconds. A 60 nanosecond difference in measurements is way off the
accuracy of the gps clocks.
http://en.wikipedia.org/wiki/Effects_of_relativity_on_GPS#Relativity
cheers
Steve Dunklee
--- On Sat, 11/19/11, JoshuaTreeMuseum <[email protected]>
wrote:
From: JoshuaTreeMuseum <[email protected]>
Subject: Re: [meteorite-list] Second experiment confirms
faster-than-light particles
To: [email protected]
Date: Saturday, November 19, 2011, 2:07 AM
----- Original Message ----- From: "Matson, Robert D."
<[email protected]>
To: "JoshuaTreeMuseum" <[email protected]>;
<[email protected]>
Sent: Friday, November 18, 2011 6:44 PM
Subject: RE: [meteorite-list] Second experiment confirms
faster-than-light particles
Hi Phil,
It was my understanding that the mystery of the CERN
faster-than-
light-speed neutrino result was solved over a month ago:
failure
to account for the relativistic motion of the GPS clocks
used to
time the neutrinos.
GPS satellites orbit in planes inclined 55 degrees relative
to
the equator, coincidentally somewhat parallel to the
neutrino
flight path bearing on the ground. From the satellite's
perspective,
both the positions of the neutrino source and the neutrino
detector
are changing: in this particular case, from the perspective
of the
GPS clock, the detector is moving towards the neutrino
source, and
consequently the distance travelled by the particles -- as
measured
in the frame of the clock -- is shorter than the distance
measured
on the ground. As a result, the neutrinos should arrive
about 32
nanoseconds early: an amount that must be doubled because
the same
error occurs at each end of the experiment. So the total
correction
is 64 nanoseconds: almost exactly what the OPERA team
observed.
If they ran the experiment a second time and got the same
result,
it seems to me that it is only confirming a prediction of
special relativity. --Rob
---------------------
It seems unbelievable that the relativistic satellite
motion has not been brought to their attention. I mean if
you guys know about it, wouldn't they? I've also read
elsewhere about this effect and how it could be skewing the
results. I find it hard to believe they don't know about
this and would not make the necessary corrections.
Phil Whitmer
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