Percentage of Confirmed vs Hypothesized Particles

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Robert Green - 11 Mar 2007 20:17 GMT

I was just wondering if anyone here could give me a rough estimate of
the number of particles that were confirmed after having been
hypothesized. Even just a guestimate, like "a large number, "a
moderate number, "a small number." "hardly any," etc. would do just
fine.

Thanks very much in advance

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Lance Red - 12 Mar 2007 12:45 GMT

> I was just wondering if anyone here could give me a rough estimate of
> the number of particles that were confirmed after having been
[quoted text clipped - 3 lines]
>
> Thanks very much in advance

I think the number is just the number of particles in the Standard
Model except one(Higgs), i.e. 62-1= 61. But the answer is quite
dependent on how you define "hypothesize". A example is the electron:
can we speak it as "hypothesized" before its discovery in 1897?

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josefmatz - 13 Mar 2007 07:56 GMT

In total we have something more than 1000 particles. Only one - the Higgs
has not been found
and there are no free quaeks i think.

But maybe sombosy else can give overview on newer results in the rings.

> > I was just wondering if anyone here could give me a rough estimate of
> > the number of particles that were confirmed after having been
[quoted text clipped - 8 lines]
> dependent on how you define "hypothesize". A example is the electron:
> can we speak it as "hypothesized" before its discovery in 1897?

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Autymn D. C. - 16 Mar 2007 03:01 GMT

> In total we have something more than 1000 particles. Only one - the Higgs
> has not been found
> and there are no free quaeks i think.
>
> But maybe sombosy else can give overview on newer results in the rings.

no hexaquarks or glueballs yet

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Natural Science Forum / Physics / Particle Physics / March 2007

Percentage of Confirmed vs Hypothesized Particles