Recent content by e.bar.goum

  1. e.bar.goum

    Engineering Nuclear physicist with nuclear engineering PhD?

    1. Not trivially. Nuclear physics and nuclear engineering are quite different disciplines, and you'll be competing for postdocs with a less applicable set of skills. I would not do a PhD in one field if you wish to pursue a career (in academia) in a different field. It's just making your life...
  2. e.bar.goum

    I Gaseous Hydrogen Fusion: Requirements & Limitations

    Well, if the beam hits the 12C, it's very unlikely that it will (or would have otherwise) hit the H nucleus. On a nuclear scale, the atoms are very far apart, and the probability of multiple scattering is in general, tiny. In any experiment, the vast majority of your beam goes unreacted. Part...
  3. e.bar.goum

    I Gaseous Hydrogen Fusion: Requirements & Limitations

    Not really. Polyethylene (C2H4) targets are quite common if you want to do reactions with hydrogen (or deuterium if C2D4), you don't want to bother with a gas target (lower densities, you have to deal with cryogenics, exit/entrance windows, hydrogen is explosive ... ) and your beam intensity is...
  4. e.bar.goum

    Other USAPhO test -- When should I be able to answer these questions?

    In Australia at least, the exam is designed to be extremely difficult, and it's not expected that anyone does extremely well - the people who get on the team are just the ones who do the least poorly. The point is to test your problem solving skills, not necessarily your knowledge of physics...
  5. e.bar.goum

    Simulations and Experimental Physics

    It's pretty fun - I think nuclear physics represents a good balance of big infrastructure physics (big machines are fun) and being able to be very hands on with all parts of an experiment* (which you don't get in the very large collaborations you get in very big infrastructure physics projects)...
  6. e.bar.goum

    Simulations and Experimental Physics

    No, although I have done a very small amount of that. Most of my simulation work is simulations of nuclear collisions to aid interpretation of our experimental results. This does involve folding detector effects into the simulations, though.
  7. e.bar.goum

    Simulations and Experimental Physics

    That's pretty much what I do! I'm an experimental nuclear physicist. I design detectors, I do experiments with said detectors, analyse the data, and to get to the underlying physics, and understand the implications, I do simulations. I don't think I'm particularly unique in this, I think a lot...
  8. e.bar.goum

    B How to pronounce a nuclear reaction written in AZE notation?

    The reason that you don't normally pronounce the Z is that it's implicit in the element name. Saying both is redundant. "neutron induced fission of uranium 235 yields barium 141 and krypton 92 along with 3 neutrons" or something like that. In some countries, saying "235 uranium" is more common...
  9. e.bar.goum

    I Analyzing signals from a radioactive source

    You're going to want to amplify your signal before putting it into an ADC, this is described in the document you provided and is a standard procedure and will give a nice signal as shown in fig 4.6. The pulse duration isn't to do with 57Co itself, it's the time response of the detector. A...
  10. e.bar.goum

    Schools Etiquette of writing research poster acknowledgments?

    It should be very similar to what you see in a paper. The standard form would be something like, "This work was supported by *FUNDING AGENCY* grants XXX and YYY. The authors gratefully acknowledge the *helpful discussions with/samples provided by* Prof. X and Dr. Y" It's not a thesis...
  11. e.bar.goum

    I A possible solution to the cosmic lithium problem

    Thank you for alerting me to this rather interesting paper. However, before I'm going to get too excited, I would like to see some work in a mechanism for this deviation from M-B during BBN, as well as a prediction for the value of q. In general, I find that just adding another parameter to your...
  12. e.bar.goum

    B What is the meaning of decay mode IT in nuclear physics ?

    IT = Isomeric Transition. It indicates decay of a long lived nuclear state (an isomer) via a gamma or internal conversion.
  13. e.bar.goum

    Courses Does a W on a transcript look bad?

    As someone who has looked at transcripts (in an academic context for grad students. YYMV for industry) that's pretty much my attitude. The effect of W's depend on the course, number of W's and their timing.
  14. e.bar.goum

    Teaching STEM at the Time of Political Distress

    And some people apparently have biases that professors are men. :rolleyes: I think that being able to avoid having your external life (be it illness, family issues, the need to work, politics, campus issues or otherwise) impact your studies (to greater or lesser extents) is a luxury of the few...
  15. e.bar.goum

    Teaching STEM at the Time of Political Distress

    Thanks! Not sure what I did there. Super interesting, thanks! Yes, writing courses must give very different problems to STEM courses (where you can be a bit more divorced from current events) but I think that lessons can certainly be drawn from your examples. Indeed, the idea of claims and...
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