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/sci/ - Science & Math

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2115684 No.2115684 [Reply] [Original]

could CERN or Fermilab find a graviton?

>> No.2115722

Not OP but,
Is there a video that explains loop quantum gravity anyone could link me too?

>> No.2115721

Seeing as they don't exist, probably not.

>> No.2115735

No CERN, and Fermi cannot into gravitons.

Its not physically impossible to detect gravitons, but for all practical purposes impossible to create a detector.

The interaction between gravitons gravitons and matter is extremely small. I went to a lecture by Stephen Boughn and he said a detector the mass of Jupiter orbiting a neutron star would only observe one graviton per decade.

>> No.2115736

bump for believers in gravity...

-_-

>> No.2115783

>>2115735
If one were created, they could detect the missing momentum, but the theoretical cross section for production is also extremely low.

>> No.2115808

>>2115721
i lol'd a bit on the outside, died a bit on the inside, net gain zero.

>> No.2115815

>>2115808
Prove they do.

>> No.2115833

>>2115815
pick up an object, let it go

>> No.2115837

>>2115833
>implying gravity proves that gravitons exist

You couldn't get any more retarded.

>> No.2115852

>>2115815
The existence of gravitons leads to falsifiable predictions of the properties of gravitational waves. We can empirically observe gravitational waves at the VIRGO and LIGO bases. Its all as predicted.

>> No.2115858

>>2115852
Yes, but other things might imply gravitational waves as well.

>> No.2115865

>>2115858 Yes, but other things might imply gravitational waves as well.
Its not just the existence of gravitational waves, it is that they move at C, exactly as predicted by the cause being a massless particle. Can you cite a competing theory that can explain this?

>> No.2115869

Like my professor is saying:

"Cern will find the Higgs-boson even if it exists or not"

Nuff said.

>> No.2115872

>>2115865
General relativity, anyone?

>> No.2115884

>>2115865
Elves cause gravitational waves to move at c.

Adductive reasoning does not work.

>> No.2115886
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2115886

>>2115872General relativity, anyone?

General relativity: A particle with no mass must travel at exactly the speed of light in a vacuum. No slower no faster.

Graviton: A hypothetical particle with no mass which mediates the force of gravity.

Interferometer Experimentation: The force of gravity moves at exactly the speed of light.

It is thus reasonable to assume the force of gravity is mediated by a massless particle. That or some huge coincidence and also a defiance of general relativity.

>> No.2115890

>>2115886
It is not reasonable to assume gravity is mediated by a particle just because every other force is.

>> No.2115901

>>2115886
Hold on now. I was unaware any interferometer experiments had any results yet. Link?

>> No.2115902

>>2115890
It is if you want to be a particle physicist.

>> No.2115911

>>2115902
Wrong. The more recent and alternative view that gravity is an entropic force makes much more sense.

>> No.2115927

>>2115911
But don't they have to come up with a new standard model they think graviton isn't a particle?

>> No.2115934

>>2115911
Being "more recent" and "alternative" doesn't mean its right.

>> No.2115959
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2115959

>>2115934
It doesn't mean it's wrong either.

I'm officially changing my position. Fuck gravitons. Gravity is holographic entropic action all the way down.

>> No.2116006

>>2115886
>It is thus reasonable to assume the force of gravity is mediated by a massless particle.

I don't see where people come up with this bullshit about particles.

>> No.2116009

>>2115927
The graviton is not a Standard Model particle. The only yet unobserved SM particle is the Higgs boson.