# Testing physics - elementary particles can became other particles?

Discussion in 'Electronic Design' started by Glenn, Aug 18, 2013.

1. ### GlennGuest

(answer is sent to sci.physics )

Some time it occurred to me, that this equation seems not to be sane?
Please explain why it is ok:

d-kvark -> electron + antineutrino + u-kvark

How can the elementary particle d-kvark become/transform into three
other elementary particles?

-

http://en.wikipedia.org/wiki/Muon#Muon_decay
Quote: "...
Î¼âˆ’ â†’ eâˆ’ + Î½e + Î½Î¼

Î¼+ â†’ e+ + Î½e + Î½Î¼
...."

Again can elementary particles can become/transform into three other
elementary particles?

-

What is wrong? Is it a fundamental secret physics prank, that I missed
in college?:

Elementary particle:
http://en.wikipedia.org/wiki/Elementary_particle
Quote: "...
In particle physics, an elementary particle or fundamental particle is a
particle unknown to have substructure, thus unknown to be composed of
other particles.[1]
[]
Known elementary particles include the fundamental fermions (quarks,
leptons, antiquarks, and antileptons), which generally are "matter
particles" and "antimatter particles", as well as the fundamental bosons
(gauge bosons and Higgs boson), which generally are "force particles".[1]
...."

/Glenn

2. ### Bill SlomanGuest

Obviously.
Since elementary particles can appear - in matched pairs with their anti-particle by "vacuum fluctuation" - it's not hard to see how an elementary particle might transform into three elementary particles when the two extra particels are a particle/anti-particle pair.

If your physics teachers didn't tell you about this, they weren't doing much of a job. I think the idea goes back to Dirac, around 1930

http://en.wikipedia.org/wiki/Antiparticle

where he invented anti-particles to solve a theoretical problem. Once he'd invented the positron, it took two years for somebody to find one.

3. ### Clifford HeathGuest

My high-school physics teacher (who'd just finished a PhD in quantum
physics) use to say:

"In nuclear physics, anything will do anything if you pay it enough"

4. ### Phil HobbsGuest

That's the nuclear version of Schawlow's Law: "Anything will lase if you
hit it hard enough."

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC
Optics, Electro-optics, Photonics, Analog Electronics

Briarcliff Manor NY 10510 USA
+1 845 480 2058

hobbs at electrooptical dot net
http://electrooptical.net

5. ### GlennGuest

Hi!

ben6993 could you or others show other models - or the preon model decay
for the muon. Or better yet - a web page with many decay examples?

-

Answers got so far - thanks.

On 19/08/13 14.42, Odd Bodkin wrote:
....

On 18/08/13 22.00, Bill Sloman wrote:
....
anti-particle by "vacuum fluctuation" - it's not hard to see how an
elementary particle might transform into three elementary particles when
the two extra particels are a particle/anti-particle pair.
doing much of a job. I think the idea goes back to Dirac, around 1930
he'd invented the positron, it took two years for somebody to find one.
On 18/08/13 22.43, Sam Wormley wrote:
....

/Glenn

6. ### GlennGuest

(answer is sent to sci.physics )

On 20/08/13 20.30, Glenn wrote:
....
Hi ben6993 and others

How is

-

W- = du'

transformed to or from:

W- = e- + Î½'

-

and

W+ = d'u

transformed to or from:

W+ = e+ + Î½

?

/Glenn

/Glenn

8. ### GlennGuest

Thanks, I am puzzled.

Is there any web pages/references that explain the preon model as you did?

/Glenn