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Registered Member #3721
Joined: Sun Feb 27 2011, 04:43AM
Location:
Posts: 40
hypothetical faster than light particles guys i heard CERN found evidence for it can anyone please confirm this? or still how is this possible it goes against relativity theory ryt? so is relativity wrong? open to all discussions
Registered Member #1792
Joined: Fri Oct 31 2008, 08:12PM
Location: University of California
Posts: 527
This summarizes the observations and possible explanations to date:
Currently scientists are scrutinizing the experimental and data processing of the OPERA team, as this team was cautious and is not claiming to have discovered FTL particles, merely to have some data indicating it and no known systematic errors in the experiment.
Other groups will try to replicate the experiment and confirm the results.
If this ends up being true, it will certainly require some updates to well-accepted physics models.
Registered Member #1792
Joined: Fri Oct 31 2008, 08:12PM
Location: University of California
Posts: 527
earth3 wrote ...
the link you gave was for neutrinos any news abt tachyons?
It was about neutrinos because those are the potentially FTL particles from CERN, not tachyons. Tachyons are currently hypothetical, though if the CERN measurements are validated then they may share some characteristics with tachyons.
wrote ...
Despite the theoretical arguments against the existence of tachyon particles, experimental searches have been conducted to test the assumption against their existence; however, no experimental evidence[5] for the existence of tachyon particles has been found. Recently, time of flight measurements from the CERN-OPERA collaboration have indicated that muon neutrinos may exceed the speed of light. OPERA scientists have refrained from drawing conclusions from the OPERA neutrino anomaly, requesting that other groups first verify their result.[6]
wrote ... actually i never understand wikipedia what is non zero mass?
Some particles, like photons, have zero mass. A non zero mass simply means that the mass is greater than zero.
Registered Member #3414
Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
It was suggested on a BBC2 program last night that, while nothing can accelerate through the speed of light barrier (according to Einstein), the way that the neutrinos in the CERN experiment are produced, by colliding very high energy protons into graphite, that neutrinos 'may' be produced which already have a velocity greater than the speed of light (tachyons?), thus avoiding the requirement that they accelerate through the light barrier.
(Einstein says nothing with mass can accelerate through the light barrier, and tachyons are (theoretical) faster than light particles with mass)
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tachyons
