Gravitons are massless particles that are exchanged by mass to produce
gravity.

One of my friend told me there speed can be c as well as c.

So it can be faster than light as well as slower than light. How can
one measure the speed of a graviton?

If Two masses are 1 lightyear apart how much time it will take for
Gravitons to reach from one Mass to Another?

The Mass of Graviton is 0 as well as the Charge is 0. So how will you
track the Gravitons? And further Does it interact with other
particles? What happens when it collides with Photons or any other
particle. I heard it has 2 Spin.

Electrons has +/- 1/2 spin So they revolve in one direction or
opposite direction. What is the meaning of having 2 SPIN? Does it
Spins at Twice the Speed of Electron and in what direction.

Are these just Theoritical to satisfy the Mathematics or these
Gravitons are seen in real Experiments.

Since it has no mass and no charge. Does it occupy any space/ Volume?
Is it Rigid or Liquid type? Or is it a Wave?

Is there any Experimental Proof that Gravitons Exists Just like Quarks
etc.Or Is it made up of Quarks? Like all other Elementory Particles?

Bye
Sanny

Play Chess at: http://www.GetClub.com/Chess.html

Sanny


Sanny wrote:
Gravitons are massless particles that are exchanged by mass to produce
gravity.

One of my friend told me there speed can be c as well as c.

So it can be faster than light as well as slower than light. How can
one measure the speed of a graviton?

[text omitted]

.. . . . . . . . . . . . . . . . .




The principle of the highest type of intelligent mind is that it asks
questions.

I've written some hypothetical answers to the causal matter of gravity
on Usenet. I suspect that many of these several posts have cycled off
the servers. I have posted on humanities.philosophy.objectivism,
alt.science.physics, and on geometry.research.

Since the BB theories began the flow of questions in science seems to
have slowed.
The universe according to whichever scientist is being asked seems to
have switched from infinite to finite and back. Where's it at now?
Bounded and infinite? Or unbounded and finite? Do they really know?


Keep at it.

Ralph Hertle






Sanny

"Ralph Hertle" wrote in message
...

Sanny


Sanny wrote:
Gravitons are massless particles that are exchanged by mass to produce
gravity.

One of my friend told me there speed can be c as well as c.

So it can be faster than light as well as slower than light. How can
one measure the speed of a graviton?

a - we don't know if gravitons (as such) actually exist
b - most theories predict the speed of gravity would be c
c - none of the experiments for the speed of gravity have shown a speed
greater than c AFAIK .. so c still looks the most likely speed.

On Jan 6, 2:26*am, Sanny wrote:
Gravitons are massless particles that are exchanged by mass to produce
gravity.

One of my friend told me there speed can be c as well as c.

So it can be faster than light as well as slower than light. How can
one measure the speed of a graviton?

It can *seem* greater or less than c depending how you
order the events.

When you push a car, it pushes back (or crumples up)
instantly.

Over *time*, the universe repositions itself to accomodate
the gravitational field of the car's new position.

That *time* is established by the finite speed of light.

The instant response to a field established by
distant bodies seems faster than light.

The lag for the distant bodies to reposition
seems slower than light.

Ordering the gravito-inertal events correctly
allows the inclusion of the light speed limit
at the correct place in the mechanism.


If Two masses are 1 lightyear apart how much time it will take for
Gravitons to reach from one Mass to Another?

Greater than one lightyear.


The Mass of Graviton is 0 as well as the Charge is 0. So how will you
track the Gravitons? And further Does it interact with other
particles? What happens when it collides with Photons or any other
particle. I heard it has 2 Spin.

You track gravitons the same way you track photons.
Look at the matter they interact with.


Electrons has +/- 1/2 spin So they revolve in one direction or
opposite direction. What is the meaning of having 2 SPIN? Does it
Spins at Twice the Speed of Electron and in what direction.

There seems to nothing actually spinning but the magnetic
interaction is "as though" something was spinning.

http://en.wikipedia.org/wiki/Angular_momentum_coupling
http://en.wikipedia.org/wiki/Stern%E...ach_experiment
http://en.wikipedia.org/wiki/Zeeman_effect
http://www.bnl.gov/bnlweb/pubaf/pr/2...ckgrounder.htm
"Achieving 99.9% Proton Spin-Flip Efficiency
At Higher Energy With A Small rf Dipole"
http://prola.aps.org/abstract/PRL/v93/i22/e224801


Are these just Theoritical to satisfy the Mathematics or these
Gravitons are seen in real Experiments.


The ~particle~ you are describing is purely mathematical
because you seem to visualise it as a point particle.
The same is true for photons.

But there is a place for a non-point particle in the
SM and some experiments to suggest its existance.


Since it has no mass and no charge. Does it occupy any space/ Volume?
Is it Rigid or Liquid type? Or is it a Wave?

Probably, it is a wave in the dielectric of free-space.

http://en.wikipedia.org/wiki/Wave_impedance
http://en.wikipedia.org/wiki/Free_space
http://www-ssg.sr.unh.edu/ism/what.html


Is there any Experimental Proof that Gravitons Exists Just like Quarks
etc.Or Is it made up of Quarks? Like all other Elementory Particles?

"Local Photon and Graviton Mass and its Consequences"
http://arxiv.org/abs/gr-qc/0603032v2

"The Origin of Gravity" [toy model]
http://arxiv.org/abs/physics/0107015

Sue...


Bye
Sanny

Play Chess at:http://www.GetClub.com/Chess.html

On Jan 5, 11:18 pm, "Sue..." wrote:
[snip irrelevant bull****]

Why do you keep posting links that you don't understand?

Sanny wrote:
Gravitons are massless particles that are exchanged by mass to produce
gravity.

I always understood that the greater a particle's energy the greater its
mass; therefore for even a virtual perticle such as a graviton to have zero
mass would mean that it would have zero energy; when quite obviously it
doesn't have zero energy. I also understood that a graviton was a virtual
product of the wave/particle theory of quantum mechanics; a hypothetical
parody of a transfer of force between two or more collective macro-events
exhibiting the collective mass of all of their relevant particles.

One of my friend told me there speed can be c as well as c.

As far as relativity is concerned; the speed of light is the boundary of
velocity of matter as we know it; however under exceptional circumstances it
appears theorhetically possible that it can be exceeded. As for gravitons
exceeding c I must say that I am unaware of any theorhetical postualtions
thereof under normal circumstances.

So it can be faster than light as well as slower than light. How can
one measure the speed of a graviton?

Since a graviton is a virtual particle it is under quantum law which
dictates that any attempt to discover an individual particle's position will
disturb any measurement of its velocity and vice-versa; therefore from this
it appears impossible to do so with any degree of accuracy.

If Two masses are 1 lightyear apart how much time it will take for
Gravitons to reach from one Mass to Another?

By relativity logic a minimum of 1 year.

The Mass of Graviton is 0 as well as the Charge is 0. So how will you
track the Gravitons? And further Does it interact with other
particles? What happens when it collides with Photons or any other
particle.

If it has no mass then it will have no effect in any collision with another
particle.

I heard it has 2 Spin.

Electrons has +/- 1/2 spin So they revolve in one direction or
opposite direction. What is the meaning of having 2 SPIN? Does it
Spins at Twice the Speed of Electron and in what direction.

Read "A brief History of Time" by Prof. Stephen Hawking.

Are these just Theoritical to satisfy the Mathematics or these
Gravitons are seen in real Experiments.

As I mentioned previously; a graviton is a hypothetical particle; a virtual
product of quantum science used to help explain the interaction of two
bodies in accordance with the wave/particle duality theory as well as in
seeking the Grand Unified Theory mathematically linking relativity with
quantum mechanics and resulting in an understanding of all things.

Since it has no mass and no charge. Does it occupy any space/ Volume?
Is it Rigid or Liquid type? Or is it a Wave?

It's both a wave and a particle; but theorheticlly so in either case.

Is there any Experimental Proof that Gravitons Exists Just like Quarks
etc.Or Is it made up of Quarks? Like all other Elementory Particles?

No. Quarks have mass and their interaction with one another is verifiable by
observation. Gravitons are still only a postulative approach to solving a
theorhetical equation.

Having just posted this lot I have to admit that my understanding may be
anything up to fifteen years old, and may well also be behind the times.

Bye
Sanny

Play Chess at: http://www.GetClub.com/Chess.html

I'd stick to chess I think. : Alpha meson to D3; Check.

On Jan 6, 3:25*am, Eric Gisse wrote:
On Jan 5, 11:18 pm, "Sue..." wrote:
[snip irrelevant bull****]

Why do you keep posting links that you don't understand?

I am hoping you will explain them. )


Sue...

"Dr.Hal0nf1r£$" wrote in message
...
Sanny wrote:
Gravitons are massless particles that are exchanged by mass to produce
gravity.

I always understood that the greater a particle's energy the greater its
mass;

No .. "mass" means "rest mass" .. for example, a photon has no mass. A
particle with no mass can have momentum, but only when it travels at c ..
and only a particle with no mass *can* travel at c. There is a term
sometimes used called 'reativistic mass', but that is not a terribly useful
term .. however, it does (for something with mass) tend to infinity as the
speed of the object approaches c

[snip]
One of my friend told me there speed can be c as well as c.
As far as relativity is concerned; the speed of light is the boundary of
velocity of matter as we know it;

Not exactly .. it is a limit for any exchange of information or object etc.
For things with mass, it is a limit the cannot be reached (only approached)
for objects with no mass, it is the speed they must travel at.

however under exceptional circumstances it
appears theorhetically possible that it can be exceeded.

No .. not in SR at least.

As for gravitons
exceeding c I must say that I am unaware of any theorhetical postualtions
thereof under normal circumstances.

AFAIK, the theories suggest that it travels at c .. as you could use gravity
to exchange information.

So it can be faster than light as well as slower than light. How can
one measure the speed of a graviton?

Since a graviton is a virtual particle it is under quantum law which
dictates that any attempt to discover an individual particle's position
will
disturb any measurement of its velocity and vice-versa; therefore from
this
it appears impossible to do so with any degree of accuracy.

If Two masses are 1 lightyear apart how much time it will take for
Gravitons to reach from one Mass to Another?

By relativity logic a minimum of 1 year.

Yeup

The Mass of Graviton is 0 as well as the Charge is 0. So how will you
track the Gravitons? And further Does it interact with other
particles? What happens when it collides with Photons or any other
particle.

If it has no mass then it will have no effect in any collision with
another
particle.

Unless it has a velocity of c .. then it *can* have momentum.

[snip rest .. nothing really further to comment on]

Dear Sanny:

"Sanny" wrote in message
...
Gravitons are massless particles that are exchanged
by mass to produce gravity.

They have an inherent energy, according to my old book, so I
don't see how they can be massless.

One of my friend told me there speed can be c as
well as c.

So it can be faster than light as well as slower than
light. How can one measure the speed of a graviton?

You cannot, since you cannot know any quantum object's path.

....
Is there any Experimental Proof that Gravitons
Exists Just like Quarks etc.Or Is it made up of
Quarks? Like all other Elementory Particles?

There is no experimental observation of gravitons. There may be
some support of their existence come out of "dual to black hole"
expeirments.
There is no experimental observation of quarks. Only aggregates
of them.
Gravitons are not made up of quarks. No indication that
electrons are made up of quarks either.

David A. Smith

Sanny wrote:
Gravitons are massless particles that are exchanged by mass to produce
gravity.
One of my friend told me there speed can be c as well as c.
So it can be faster than light as well as slower than light. How can
one measure the speed of a graviton?

Gravitons are putatively the gauge bosons of some as-yet-unknown theory
of quantum gravity. As quantum objects they cannot be identified
uniquely, and one cannot really discuss "the speed of a graviton"
because the "a" does not apply.

By analogy to QED, one might say that between a given pair of points
(events) in spacetime, gravitons would take all possible paths, and thus
travel at all possible speeds. But this is speaking rather loosely
because it ignores the intrinsic quantum nature of such objects.

To discuss gravitons accurately, one should restrict oneself to
properties which are good quantum numbers. By analogy to photons, these
are their mass (zero) and their spin (2). One can also discuss their
interactions, as long as one does so in a frame-invariant way, but this
is not accurately known, as we don't yet have a theory containing
gravitons; all we have are guesses.


Tom Roberts