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  1. Naked Science Forum
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  4. Do protons of the Fermilab proton beam exist?
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Do protons of the Fermilab proton beam exist?

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Offline alright1234 (OP)

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Re: Do protons of the Fermilab proton beam exist?
« Reply #100 on: 07/05/2019 19:06:26 »
Quote from: alancalverd on 12/04/2019 16:51:25
A proton is a hydrogen nucleus. It is indefinitely stable and because it carries a positive charge and considerable kinetic energy from the accelerator, it can ionise lots of molecules before it comes to rest. These ions can nucleate droplets in a cloud chamber.

You can separate the tracks of various particles by applying magnetic fields to the chamber. Each type of particle wil have a different characteristic track depending on its mass, charge and speed.

How can a nuclear proton be stable?
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Offline Bored chemist

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Re: Do protons of the Fermilab proton beam exist?
« Reply #101 on: 07/05/2019 19:34:38 »
Quote from: alright1234 on 07/05/2019 19:06:26
Quote from: alancalverd on 12/04/2019 16:51:25
A proton is a hydrogen nucleus. It is indefinitely stable and because it carries a positive charge and considerable kinetic energy from the accelerator, it can ionise lots of molecules before it comes to rest. These ions can nucleate droplets in a cloud chamber.

You can separate the tracks of various particles by applying magnetic fields to the chamber. Each type of particle wil have a different characteristic track depending on its mass, charge and speed.

How can a nuclear proton be stable?
At least 13 billion years' practice.

Why would it not be?
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Offline Bored chemist

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Re: Do protons of the Fermilab proton beam exist?
« Reply #102 on: 07/05/2019 19:35:07 »
Quote from: Bored chemist on 07/05/2019 18:42:22
Quote from: alright1234 on 07/05/2019 07:39:16
Quote from: Bored chemist on 07/05/2019 07:30:51
Quote from: Bored chemist on 06/05/2019 09:18:35
Quote from: Bored chemist on 04/05/2019 02:55:33
Quote from: Bored chemist on 03/05/2019 19:07:27
BTW, we are still waiting for you to come up with a credible explanation of proton beam therapy.

Gamma rays
I said a credible explanation.
Gamma rays are not affected by a magnetic field, and they don't have the same biological effect as a proton beam.
That's why they pay for accelerators in hospitals.


Quote from: Bored chemist on 07/05/2019 07:30:51
Quote from: Bored chemist on 06/05/2019 09:18:35
Quote from: Bored chemist on 04/05/2019 02:55:33
Quote from: Bored chemist on 03/05/2019 19:07:27
BTW, we are still waiting for you to come up with a credible explanation of proton beam therapy.


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Offline alright1234 (OP)

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Re: Do protons of the Fermilab proton beam exist?
« Reply #103 on: 07/05/2019 20:25:38 »
How do a proton form hydrogen bubbles?
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Offline Bored chemist

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Re: Do protons of the Fermilab proton beam exist?
« Reply #104 on: 07/05/2019 20:37:51 »
Quote from: alright1234 on 07/05/2019 20:25:38
How do a proton form hydrogen bubbles?
Nobody said it did.
Quote from: Bored chemist on 07/05/2019 19:35:07
Quote from: Bored chemist on 07/05/2019 18:42:22
Quote from: alright1234 on 07/05/2019 07:39:16
Quote from: Bored chemist on 07/05/2019 07:30:51
Quote from: Bored chemist on 06/05/2019 09:18:35
Quote from: Bored chemist on 04/05/2019 02:55:33
Quote from: Bored chemist on 03/05/2019 19:07:27
BTW, we are still waiting for you to come up with a credible explanation of proton beam therapy.

Gamma rays
I said a credible explanation.
Gamma rays are not affected by a magnetic field, and they don't have the same biological effect as a proton beam.
That's why they pay for accelerators in hospitals.


Quote from: Bored chemist on 07/05/2019 07:30:51
Quote from: Bored chemist on 06/05/2019 09:18:35
Quote from: Bored chemist on 04/05/2019 02:55:33
Quote from: Bored chemist on 03/05/2019 19:07:27
BTW, we are still waiting for you to come up with a credible explanation of proton beam therapy.



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Offline alright1234 (OP)

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Re: Do protons of the Fermilab proton beam exist?
« Reply #105 on: 07/05/2019 20:53:30 »
How do subatomic particle propagate through the steel enclosure of the bubble chamber?
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Offline evan_au

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Re: Do protons of the Fermilab proton beam exist?
« Reply #106 on: 07/05/2019 20:58:41 »
Quote from: alright1234
How can a nuclear proton be stable?
Careful studies have detected no proton decay (there is a Nobel prize waiting for the experimenters who demonstrate it!)
- in experiments with stable atoms like Hydrogen and Oxygen
- unstable isotopes can decay by beta capture, effectively turning a proton into a neutron
- Particle accelerators like the LHC can smash protons into each other, forming other particles
- but that doesn't mean that protons will decay by themselves

If proton decay occurs, experiments suggest the half life is > 1037 years. The current age of the universe is about 1010 years, so proton decay is not a frequent event.

Some theories suggest that in the far distant future, protons may slowly decay - but with a lifetime much longer than our current universe.
See: https://en.wikipedia.org/wiki/Proton_decay
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Offline Bored chemist

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Re: Do protons of the Fermilab proton beam exist?
« Reply #107 on: 07/05/2019 20:59:26 »
Quote from: alright1234 on 07/05/2019 20:53:30
How do subatomic particle propagate through the steel enclosure of the bubble chamber?
Well, typically, they lose some energy on the way, but the window of a bubble chamber is thin, so that effect is minimized.
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Offline alright1234 (OP)

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Re: Do protons of the Fermilab proton beam exist?
« Reply #108 on: 07/05/2019 21:02:03 »
Quote from: Bored chemist on 07/05/2019 20:59:26
Quote from: alright1234 on 07/05/2019 20:53:30
How do subatomic particle propagate through the steel enclosure of the bubble chamber?
Well, typically, they lose some energy on the way, but the window of a bubble chamber is thin, so that effect is minimized.

Really how thin? Electrons cannot propagate through glass and electrons are subatomic particles.
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Offline Bored chemist

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Re: Do protons of the Fermilab proton beam exist?
« Reply #109 on: 07/05/2019 21:04:10 »
Quote from: alright1234 on 07/05/2019 21:02:03
Quote from: Bored chemist on 07/05/2019 20:59:26
Quote from: alright1234 on 07/05/2019 20:53:30
How do subatomic particle propagate through the steel enclosure of the bubble chamber?
Well, typically, they lose some energy on the way, but the window of a bubble chamber is thin, so that effect is minimized.

Really how thin? Electrons cannot propagate through glass and electrons are subatomic particles.
Every  time a geiger counter with a glass window detects a beta particle, it shows that you are wrong.

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Offline Bored chemist

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Re: Do protons of the Fermilab proton beam exist?
« Reply #110 on: 07/05/2019 21:13:09 »
Quote from: Bored chemist on 07/05/2019 20:37:51
Quote from: alright1234 on 07/05/2019 20:25:38
How do a proton form hydrogen bubbles?
Nobody said it did.
Quote from: Bored chemist on 07/05/2019 19:35:07
Quote from: Bored chemist on 07/05/2019 18:42:22
Quote from: alright1234 on 07/05/2019 07:39:16
Quote from: Bored chemist on 07/05/2019 07:30:51
Quote from: Bored chemist on 06/05/2019 09:18:35
Quote from: Bored chemist on 04/05/2019 02:55:33
Quote from: Bored chemist on 03/05/2019 19:07:27
BTW, we are still waiting for you to come up with a credible explanation of proton beam therapy.

Gamma rays
I said a credible explanation.
Gamma rays are not affected by a magnetic field, and they don't have the same biological effect as a proton beam.
That's why they pay for accelerators in hospitals.


Quote from: Bored chemist on 07/05/2019 07:30:51
Quote from: Bored chemist on 06/05/2019 09:18:35
Quote from: Bored chemist on 04/05/2019 02:55:33
Quote from: Bored chemist on 03/05/2019 19:07:27
BTW, we are still waiting for you to come up with a credible explanation of proton beam therapy.




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Offline alright1234 (OP)

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Re: Do protons of the Fermilab proton beam exist?
« Reply #111 on: 07/05/2019 21:33:06 »
The subatomic particle are propagating through the steel enclosure of the bubble chamber not through glass.
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Offline Kryptid

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Re: Do protons of the Fermilab proton beam exist?
« Reply #112 on: 07/05/2019 21:48:57 »
Quote from: alright1234 on 07/05/2019 21:33:06
The subatomic particle are propagating through the steel enclosure of the bubble chamber not through glass.

Until you get rid of the misconception that subatomic particles and atoms are tiny, solid balls, you will never understand why.subatomic particles can get through steel and other materials.
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Offline alright1234 (OP)

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Re: Do protons of the Fermilab proton beam exist?
« Reply #113 on: 07/05/2019 22:09:10 »
Electrons that are subatomic particles cannot propagate through steel. It does not what would the shape is. Electrons do not propagate through steel period.
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Re: Do protons of the Fermilab proton beam exist?
« Reply #114 on: 07/05/2019 22:14:36 »
Quote from: alright1234 on 07/05/2019 22:09:10
Electrons that are subatomic particles cannot propagate through steel. It does not what would the shape is. Electrons do not propagate through steel period.

I see that you have gone back to the fallacy of "argument by assertion". You know that we expect you to give evidence to support your claims, right?
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Offline alright1234 (OP)

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Re: Do protons of the Fermilab proton beam exist?
« Reply #115 on: 07/05/2019 22:24:53 »
Quote from: Kryptid on 07/05/2019 22:14:36
Quote from: alright1234 on 07/05/2019 22:09:10
Electrons that are subatomic particles cannot propagate through steel. It does not what would the shape is. Electrons do not propagate through steel period.

I see that you have gone back to the fallacy of "argument by assertion". You know that we expect you to give evidence to support your claims, right?

Arc welder
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Offline Kryptid

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Re: Do protons of the Fermilab proton beam exist?
« Reply #116 on: 07/05/2019 22:34:28 »
Quote from: alright1234 on 07/05/2019 22:24:53
Arc welder

Faulty generalization: https://en.wikipedia.org/wiki/Faulty_generalization

You can't conclude that electrons never pass through steel without making a hole just because in one particular, specific situation they don't.
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Offline Bored chemist

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Re: Do protons of the Fermilab proton beam exist?
« Reply #117 on: 08/05/2019 07:14:59 »
Quote from: alright1234 on 07/05/2019 22:24:53
Quote from: Kryptid on 07/05/2019 22:14:36
Quote from: alright1234 on 07/05/2019 22:09:10
Electrons that are subatomic particles cannot propagate through steel. It does not what would the shape is. Electrons do not propagate through steel period.

I see that you have gone back to the fallacy of "argument by assertion". You know that we expect you to give evidence to support your claims, right?

Arc welder
Good example of why you are wrong.
The electrical current that flows through the (steel) workpiece to the arc (and then back to the welder via the welding electrode) is an example of electrons travelling through steel.
Steel is an electrical conductor.
And, of course,

Quote from: Bored chemist on 07/05/2019 21:04:10
Quote from: alright1234 on 07/05/2019 21:02:03
Quote from: Bored chemist on 07/05/2019 20:59:26
Quote from: alright1234 on 07/05/2019 20:53:30
How do subatomic particle propagate through the steel enclosure of the bubble chamber?
Well, typically, they lose some energy on the way, but the window of a bubble chamber is thin, so that effect is minimized.

Really how thin? Electrons cannot propagate through glass and electrons are subatomic particles.
Every  time a geiger counter with a glass window detects a beta particle, it shows that you are wrong.



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Offline alright1234 (OP)

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Re: Do protons of the Fermilab proton beam exist?
« Reply #118 on: 08/05/2019 19:58:33 »
An arc welder electrons cannot propagate through steel and the Wilson cloud chamber is based on a radio active isotope within the cloud chamber. Correct?
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Offline Bored chemist

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Re: Do protons of the Fermilab proton beam exist?
« Reply #119 on: 08/05/2019 20:34:57 »
Quote from: alright1234 on 08/05/2019 19:58:33
An arc welder electrons cannot propagate through steel
No.
That's very clearly wrong.
A current of electrons flows through the metal then it jumps the gap to  the other electrode.
Quote from: alright1234 on 08/05/2019 19:58:33
the Wilson cloud chamber is based on a radio active isotope within the cloud chamber.
Still wrong, for the reasons given above.


Quote from: Bored chemist on 07/05/2019 21:13:09
Quote from: Bored chemist on 07/05/2019 20:37:51
Quote from: alright1234 on 07/05/2019 20:25:38
How do a proton form hydrogen bubbles?
Nobody said it did.
Quote from: Bored chemist on 07/05/2019 19:35:07
Quote from: Bored chemist on 07/05/2019 18:42:22
Quote from: alright1234 on 07/05/2019 07:39:16
Quote from: Bored chemist on 07/05/2019 07:30:51
Quote from: Bored chemist on 06/05/2019 09:18:35
Quote from: Bored chemist on 04/05/2019 02:55:33
Quote from: Bored chemist on 03/05/2019 19:07:27
BTW, we are still waiting for you to come up with a credible explanation of proton beam therapy.

Gamma rays
I said a credible explanation.
Gamma rays are not affected by a magnetic field, and they don't have the same biological effect as a proton beam.
That's why they pay for accelerators in hospitals.


Quote from: Bored chemist on 07/05/2019 07:30:51
Quote from: Bored chemist on 06/05/2019 09:18:35
Quote from: Bored chemist on 04/05/2019 02:55:33
Quote from: Bored chemist on 03/05/2019 19:07:27
BTW, we are still waiting for you to come up with a credible explanation of proton beam therapy.





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