Recent content by Joe D

Homework Statement Find t(τ), x(τ), y(τ), z(τ) for constant electric field E=E(sinθx+cosθz) and B=Bz, and constant magnetic field where E,B, and θ are all constants. I haven't seen this notation before, and I really just want to know what it means specifically. I know and up indice paired...

That explains why I haven't been able to find sufficient information. Thank you very much.

I'm trying to understand how the neutron powder diffraction works at Oak Ridge National Lab (ORNL) and I'm wondering what the reaction is that results in neutrons being emitted from mercury after being bombarded with ~1 to 5 GeV protons. Does anyone know where I might find this information?

So I suppose the conclusion is that my dreams of a tabletop spallation neutron source won't be coming true for a while, at least until the technology improves. I guess I'll continue use Oak Ridge for those purposes.

Zz, that's good to know, I hadn't realized that. I had been looking at what SLAC and the Texas Petawatt laser were up to.

Awesome thanks. Zz, I understand your point. I actually didn't have high energy physics in mind when I was thinking about accelerators. I was just wondering if wakefield accelerators could be used for a spallation neutron source. I just posted it in the high energy physics section since it...

Basically, I'm trying to figure out if a wakefield accelerator might be a viable way to create a (relatively) inexpensive 1 GeV proton source.

Perhaps my wording isn't correct, I've only been reading about wakefield accelerators for a week or so. I'm wondering if there is a reason I haven't seen wakefield accelerators used to accelerate protons. The closest thing I've seen is CERN's AWAKE project that uses a 400 GeV proton beam to...

Why do all wakefield accelerators seem to use either electrons or positrons? Is there any reason you would have difficulty creating a laser driven proton plasma wakefield accelerator? (that is, in comparison to an electron accelerator) Thanks.