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Natural Science Forum / Physics / Particle Physics / December 2006



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Why all media particles are boson?

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arxiver@gmail.com - 26 Dec 2006 07:59 GMT
Hi,guys. I'm a newbie for particle physics.
Recently, I'm puzzle over the problem that why all particles which
mediated elementary interactions are boson, such as photon, gluon. And
does this problem related with statistics or gauge invariance?
Thank you for answering me if you know something.
Fred Diether - 26 Dec 2006 08:19 GMT
> Hi,guys. I'm a newbie for particle physics.
> Recently, I'm puzzle over the problem that why all particles which
> mediated elementary interactions are boson, such as photon, gluon. And
> does this problem related with statistics or gauge invariance?
> Thank you for answering me if you know something.

I am puzzled as to why you think it is a "problem"?  It just seems to be
that that is the way nature is.  In a picture with the quantum "vacuum"
as a relativistic medium of virtual fermionic pairs, gauge bosons would
have to instantaneously be composed of those pairs which are bosons.  In
that case, it is better to think of gauge bosons as "wavicles" rather
than "particles".  But they would still have a particulate nature to
them due to the "medium".  Keep in mind that this is not a mainstream
viewpoint currently.

FrediFizzx

Quantum Vacuum Charge papers;
http://www.vacuum-physics.com/QVC/quantum_vacuum_charge.pdf
or postscript
http://www.vacuum-physics.com/QVC/quantum_vacuum_charge.ps
http://www.arxiv.org/abs/physics/0601110
http://www.vacuum-physics.com
Autymn D. C. - 28 Dec 2006 08:09 GMT
> that case, it is better to think of gauge bosons as "wavicles" rather
> than "particles".  But they would still have a particulate nature to
> them due to the "medium".  Keep in mind that this is not a mainstream
> viewpoint currently.

Stick to English: wavacks, not waviculi.  The fermi?ns are of the
particulate natur; bos?ns are still waves.

-Aut
Autymn D. C. - 26 Dec 2006 11:03 GMT
Matter takes up its own room.  ?n?rjy takes up the room in between.
Thus, the latter lies in a open set.
Y.Porat - 26 Dec 2006 17:08 GMT
> Hi,guys. I'm a newbie for particle physics.
> Recently, I'm puzzle over the problem that why all particles which
> mediated elementary interactions are boson, such as photon, gluon. And
> does this problem related with statistics or gauge invariance?
> Thank you for answering me if you know something.
---------------
the photon does not mediate all particles
ie if you think that it is responsible for any attraction force

2
if you find gluons (experimentally!!)   and can define their properties
**only**   by those experimental findings
please let me know ......

ATB
Y.Porat
--------------------------------
Meir Achuz - 27 Dec 2006 13:18 GMT
arxiver@gmail.com Wrote:
> Hi,guys. I'm a newbie for particle physics.
> Recently, I'm puzzle over the problem that why all particles which
> mediated elementary interactions are boson, such as photon, gluon. And
> does this problem related with statistics or gauge invariance?

Two reasons (could be others too):
1.  If an interaction arises from Local Gauge Invariance, the particl
must transform like
\partial_\mu and therefor be a vector particle (spin one) and a boso
by spin-stat theorem.

2.  The usual basic interaction is particle-->particle + mediator.  Fo
spin addition, the mediator must have integral lspin

--
Meir Achuz
Hawkwind - 27 Dec 2006 13:26 GMT
arxiver@gmail.com schrieb:

> Hi,guys. I'm a newbie for particle physics.
> Recently, I'm puzzle over the problem that why all particles which
> mediated elementary interactions are boson, such as photon, gluon. And
> does this problem related with statistics or gauge invariance?
> Thank you for answering me if you know something.

Yes, I guess that the source of this is statistics. Bosons obey to the
Einstein-Bose statistics which allows them to highly populate one and
the same quantum state. This way, bosonic interactions may combine to
result in the creation of forces which are macroscopically detectable.

OTHO, spin 1/2 particles - fermions - obey to Dirac-statistics and have
to respect Pauli's exclusion principle, which forbids 2 identical
fermions to populate the same state.

Hawkwind
 
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