Recent content by Sidsid

Here is the last one. I would like to add by the wayy, that the exercise is focused on weak interaction.

I think i get it now. Are these correct? EDIT: i do have quite a lot of W bosons, but I think with so much you would not get the amount of quarks needed.

I now have this (sorry for bad quality, i ran out of paper), which feels ok? But I mostly googled possible antistrange decays to find this and dont know how to inuitively find that exact this happens. I do now understand why more quarks spring, this is because of the large mass difference...

Oh sorry that was a typo, i meant anti-strange -> anti-down and up via weak interaction.

The first two went fine, but i got stuck at the third one and the rest. For the third: I had that the up quark remains the same as one is needed in a pion and that the anti-strange forms an anti-down and strange. But first, I dont know really why that exactly would be the case. Secondly I dont...

I first thought of imaging techniques, because the setup reminded me of it, but i have only ever seen those of electrostatics. If i for example add a current in the opposite direction and with the opposite heigth of the surface the fields dont cancel out at the surface, i think. What is the best...

Thank you all for your help! I understand now.

In the left point of view the bar is approaching at 0.8c and the other space ship at something very near c (Einsteins velocity addition rule). To reach the left ship the other ship has to bridge double the distance of the bar with less than double the speed of the bar. Therefore they meet right...

You have all mentioned important problems, which have caused me to step back and review my set-up. One note, I meant that 'magnetic charge' is proportional to current or voltage, but I know that that is a dated concept. Thanks.

okay B was a bad choice of letters, I simply meant that as a quantity that I'm going to vary with the voltage, equivalent to electric charge in Coulomb's law. And what I concretely am doing is approximating the magnet as a monopole (F~##\frac{1}{r^2}##) and as a dipole (B~F~##\frac{1}{r^3}##)...

I appreciate your help, but it is not exactly what I need. I am trying to investigate what the field is, so I can't really start from the equation of the field. That is why I approximate it to a force that goes like $$ \frac{k B}{r^a}.$$ For r I use the horizontal distance ##(z-lsin(\theta))##...

and to add: my measurements are of the horizontal deviation (sin) at certain voltages. And I verified that the field (and I assume force) goes linearly with the voltage. this is the data, the fit is a simple cbuic fit, because initially I thought it would be a simple model, but then I found...

I am using a bar electro-magnet so there is indeed a bit of issue of what r is. I used the center of the closest side. To make it more simple i neglected the vertical distance and only focused on thevertical distance. The horizontal distance between the magnet and the bolt when the magnet is...

and yes there is a tan but under small angles tan approximates to sin which is handy for a B/sin plot. Also my equation now has a minus? Very annoying.

I changed it so its only horizontal distance that matters, which is quite a wild approximation. This example is for a=2. But im beginning to think my problem is more that I dont know how to fit with this function, as B is my independent variable, not theta.