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Higgs Boson Discovery?

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11 years 11 months ago #94445 by johnomahony
Replied by johnomahony on topic Re: Higgs Boson Discovery?
It means that the data lies within five standard deviations. It's a statistical term to determine confidence of the data.

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11 years 11 months ago - 11 years 11 months ago #94446 by wbean
Replied by wbean on topic Re: Higgs Boson Discovery?

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11 years 11 months ago #94451 by PaulWalsh
Replied by PaulWalsh on topic Re: Higgs Boson Discovery?
From what I have read 5 sigma is 99.9999% sure of a discovery

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11 years 11 months ago #94452 by albertw
Replied by albertw on topic Re: Higgs Boson Discovery?

PaulWalsh wrote: From what I have read 5 sigma is 99.9999% sure of a discovery


This give a good overview of the statistical basics:
www.physicscentral.com/buzz/blog/index.c...=5248358123737529836

Albert White MSc FRAS
Chairperson, International Dark Sky Association - Irish Section
www.darksky.ie/
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11 years 11 months ago #94453 by Nerro
Replied by Nerro on topic Re: Higgs Boson Discovery?
Well that is exiting alright, but I think I will be on the other side of trenches here.
LHC was build to detect Higgs and so far after numerous announcements they still can't give 5 sigma on this.i know I sound like a real skeptick, but I recon all this fuss is only to keep up the funding. And I wouldn't blame them considering the money spent on this experiment. And I really don't think the governments which funded this project would take no for an answer even tho if the experiment would turn out to be a complete fiasco it would be still great achievement for science.
So I think they found something alright but I have a funny feeling that it's going to turn out to be something else. At least that's my thoughts and I would be more than happy to be corrected on this.

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11 years 11 months ago - 11 years 11 months ago #94458 by johnomahony
Replied by johnomahony on topic Re: Higgs Boson Discovery?

Nerro wrote: Well that is exiting alright, but I think I will be on the other side of trenches here.
LHC was build to detect Higgs and so far after numerous announcements they still can't give 5 sigma on this.i know I sound like a real skeptick, but I recon all this fuss is only to keep up the funding. And I wouldn't blame them considering the money spent on this experiment. And I really don't think the governments which funded this project would take no for an answer even tho if the experiment would turn out to be a complete fiasco it would be still great achievement for science.
So I think they found something alright but I have a funny feeling that it's going to turn out to be something else. At least that's my thoughts and I would be more than happy to be corrected on this.


Perhaps the announcement is timely but that is understandable. The strength of the Sigma level is strongly dependent on the data sample size (it's all about signal to noise- the bigger sample size the better the s/n ratio). With a few more data points I'm sure they can push the confidence up to 5 sigma.
You may have heard of six sigma or lean six sigma used in design and manufacturing processes- its the same principle.

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