is appropriate for questions dealing with the physics of beams in accelerators; the ways in which beams are generated; the accelerating, bending and focusing equipment; and the intrinsic limits that arise in trying to manipulate beams. This tag should not generally be applied to questions that ...
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2answers
72 views
Muon production in particle accelerator
PAMELA is a particle accelerator which have two concentric rings, protons are accelerated in the inside ring.
At ISIS muons are produced when a 800 MeV proton beam collides with a graphite ...
7
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2answers
147 views
What exactly is the difference between a sychrotron light source and a free electron laser?
Cyclotron radiation is radiation emitted by a charged particle being bent by a magnetic field. The only difference between cyclotron and synchrotron radiation is that the latter occurs at relativistic ...
3
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1answer
77 views
Why don't we use quater-circular dees instead of semi-circular dees in a Cyclotron
This is the setup, I have in my mind:
O1, O2, O3 and O4 are 4 oscillators.
The arrows in between the Dees represent the alternating EMF the Oscillators will generate.
I think we can easily adjust ...
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0answers
40 views
How feasible is Laser Plasma Acceleration for the post-LHC world?
I was wondering how feasible Laser Plasma Acceleration for the post-LHC world is. It seems very promising.
2
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1answer
34 views
Question about linacs
Why are the electrodes of a linac connected to an alternating voltage? Within an electrode the electron moves with a constant speed, and once it is outside of the electrode it accelerates uniformly, ...
0
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1answer
48 views
When is the FAIR accelerator supposed to be finished? [closed]
The FAIR accelerator is a planned facility for antiproton and ion research.
Ground water wells are being put in, the forest is being cleared... But when is it supposed to be completed? Does anyone ...
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2answers
72 views
Minimal voltage in linear accelerators to achieve relativity?
Could anyone tell me what is the minimal voltage between anode and cathode in a linear accelerators to achieve speeds where relativity starts to show?
Let me ask in a different way: "What is the ...
1
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1answer
159 views
Velocity of electron in electrostatic field. Does radiation matter?
There's a voltage difference of 1000 Volts between two points 2 meters apart. An electron starts at the point of lower potential and is left to travel alone in a straight line until it reaches the ...
0
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1answer
58 views
Vehicle acceleration
What I'm essentially doing is Kalman Filter. If anyone is familiar with (but it doesn't really matter in this case). Consider the following formulas:
...
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1answer
75 views
Future of colliders and technical limitations
Are there any technical limitations (theoretical or technological) that prevent quark based colliders? ie. Colliding two quarks together.
0
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1answer
163 views
A comprehensive reference for RF linear accelerator's operation
I'm doing a research on RF linear accelerators (RF Linac), but while studying the material I encountered many problems. I cannot understand the basics of the RF linear accelerators in many ways, for ...
5
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1answer
184 views
On these pictures of accelerator equipment, what are the blue metal things?
I have visited many accelerator, and these blue things
can be seen where cryo technology is used. What are they (He valves?/safety valves?) Why is so many needed?
Edit:
Here there are more blue ...
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0answers
161 views
A Exercise On Electromagnetic Induction Based Electron Accelerator?
This is an Physics Exercise on electromagnetic Induction Based Electron Accelerator. If the period of one electron cycle is $\frac{1}{60} s$ , the radius of the cycle is $40 cm$, the increment of the ...
3
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5answers
222 views
How do we recognize hardware used in accelerator physics [closed]
When I see a new accelerator in real life or on a picture, I always find it interesting to see how many thing I can recognize. In that way, I can also get a small first idea of how the accelerator is ...
0
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1answer
188 views
What is the total kinetic energy per second of the particles accelerated by the LHC
Related: how many protons per second can the LHC accelerate?
1
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3answers
526 views
Can the technology behind Particle accelerators can be used for space propulsion?
As I understand, the kinetic energy of the proton beam in a hadron collider is quite large. Can you build a space propulsion system that is based on accelerating a proton bean to relativistic speeds ...
7
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2answers
804 views
Relativistic centripetal force
The thought randomly occurred to me that a circular particle accelerator would have to exert a lot of force in order to maintain the curvature of the trajectory. Many accelerators move particles at ...
3
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1answer
259 views
What are the advantages of the ILC over the LHC?
USA Today has an article on Japan's interest as the site for the $10 billion future International Linear Collider. This accelerator will utilize electron/positron collisions (like CERN's former LEP ...
3
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0answers
193 views
How to integrate over rapidity for Parton Luminosities in LHC?
I want to make a comparison of parton luminosities between Tevatron and LHC. According to Factorization theorem the cross section in hadron colliders, as long as the partonic cross section has $\hat ...
3
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4answers
553 views
is an electron/proton gun possible?
In the 1944 SF story "Off the Beam" by George O. Smith, an electron gun is constructed along the length of a spaceship. In order to avoid being constrained by a net charge imbalance, it is built to ...
4
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1answer
49 views
Is accelerating particles through a chain of accelerators a continuous or batch process?
At the Advanced Photon Source, they use two accelerators before injecting the electrons into the large storage ring. Is the addition of particles to the storage ring done in "batches" (however ...
1
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2answers
86 views
If U238 ions were circulating in a particle accelerator would their neutron absorption cross section spectra change?
If U238 ions were circulating in a particle accelerator would their neutron absorption cross section spectra change?
1
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2answers
620 views
An Introduction to particle acceleration and particle accelerator
I am preparing to write my paper about particle acceleration recently, and i need some general knowledge to get my feet wet about it.
May you please give me an introduction of what particle ...
1
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4answers
270 views
Why is it so hard to accelerate macroscopic objects?
It seems all we're capable of accelerating currently are atomic particles. Why can't we, say, accelerate a clock to relativistic speeds?
7
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3answers
283 views
Particle colliders: why do they need an accelerator chain
Particle colliders like the LHC or the Tevatron use a complex accelerator chain to have particles at a given energy before being accelerated.
For example:
The CERN accelerator complex to inject in ...
5
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1answer
301 views
Production of antiproton at the Tevatron
The Tevatron is a proton-antiproton collider; it collides a beam of protons against a beam of antiproton.
I can understand how we obtain the protons, but for the antiprotons ? How are they produced ?
...
8
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4answers
710 views
Why is the LHC circular and 27km long?
The LHC in Geneva is a circular accelerator, 27 km long, why is it like that ?
