Subatomic Physics Assigned Work

Here is a list of the assigned work for the Winter 2020 term:

Online Lectures

Due to the COVID-19 outbreak classes have moved online. Here is the zoom conference ID (see here for the free app) for each lecture.

  1.  Monday March 16: Conference ID is 209-119-226. See here for a recording. (Topic: deep inelastic scattering)
  2. Wednesday March 18: Conference ID is 621-868-067.  Forgot to turn on the recording today (please remind me to do so tomorrow, if I forget again!). (Topic: The inter-nucleon force and deuterium. Pairing energies.)
  3. Thursday March 19: Conference ID is 555-854-538. See here for a recording. (I see that the first few minutes are on a small screen, but it changes to full screen a few minutes in – apologies for that, all part of the slow learning curve!) (Topic: Nuclear binding energies and the saturation of nuclear forces.)
  4. Monday March 23: Conference ID is 775-102-678. Thought that this was recording, but evidently it was not. My apologies! I will try to get this right in future – if someone remembers: remind me when I start to check that the recording is being made. (Topic: Semi-empirical mass formula and nucleon density distributions in nuclei.)
  5. Wednesday March 25: Conference ID is 612-190-839. See here for a recording. (Topic: Symmetry energy and the nuclear shell model.)
  6. Thursday March 26: Conference ID is 646-461-550. See here for a recording. (Topic: More shell model and spin-dependence of nuclear forces.)
  7. Monday March 30: Conference ID is 524-786-799. See here for a recording. (Topic: Isospin invariance and quark-origin of nuclear forces.)
  8. Wednesday April 1: This lecture was recorded to minimize the number of times needed to come on campus. See here for the recording. (Topic: Survey of nuclear decay and calculation of alpha decay lifetimes.)
  9. Thursday April 2: This lecture was recorded to minimize the number of times needed to come on campus. See here for the recording. (Topic: Weak interactions and beta decay; neutrino oscillations.)

Weekly Assignments

Assignments are due a week after they are assigned. Hand them in during the lecture and I will get them to the TA for marking. It is your own responsibility to get them to the TA if you do not hand them in during the lecture they are due. (Check with David in advance if you wish to submit them electronically.)

Here are this term’s weekly assignments:

  1. Assignment 1 (due in class Monday January 27): Exercises 1.1, 1.2, 1.3, 1.4 and 1.5 from the class lecture notes. (If your copy of the notes does not number the Exercises, then redownload the notes from the course webpage.) See here for a solution set.
  2. Assignment 2 (due in class Monday February 3): Exercises 2.2, 2.3, 2.4 and 2.5 from the class lecture notes. See here for a solution set.
  3. Assignment 3 (due in class Monday February 10): Exercises 1.5, 1.9, 2.9, 2.11 and 2.12 from the class lecture notes. (Be sure to re-download the notes because the problem numbers have changed relative to previous weeks.) See here for a solution set.
  4. Assignment 4 (due in class Monday February 24): Exercises 3.1, 3.2, 3.4 and 3.4 from the class lecture notes. (Be sure to re-download the notes again because these problems are new or replace previous ones that were in the notes.) See here for a solution set.
  5. Assignment 5 (due in class Monday March 9): Exercises 3.4, 3.5 and 3.9 from the class lecture notes. (You do not need to solve ex. 3.7 to do 3.9 – but solving 3.7 gives bonus marks. Be sure to re-download the notes again because these problems have been renumbered.) See here for a solution set.
  6. Assignment 6 (due in class Monday March 16): Exercise 4.1 from the class lecture notes. See here for a solution set.
  7. See hereAssignment 7 (due Monday March 23): Exercise 4.1, 4.3 and 4.4 from the class lecture notes. (Be sure to re-download the notes again because these problems are new and so the exercises have all been renumbered. In particular what was called Exercise 4.1 last week is Exercise 4.2 in the new numbering scheme.) See here for a solution set.
  8. Assignment 8 (due Monday March 30): Exercise 5.1, 5.2, 5.3, 5.4, 5.5 and 5.7 from the class lecture notes. (As ever, be sure to re-download the notes again because these problems are new and so the exercises have all been renumbered.) See here for a solution set.

Here are this term’s assigned readings from the lecture notes:

  1. Reading 1 (quiz in class Monday, January 27): Read section 2.1 of the lecture notes.
  2. Reading 2 (no quiz on this, but starting Monday February 3 I will feel free to use this material in future assignments): Read section 1.3 of the new notes (called “Lies, Damn Lies and Measurement Errors” – redownload the notes from the course website if you do not have this section in your version.)
  3. There was no Reading 3.
  4. Reading 4 (short open-book quiz on this in class Monday February 24): Read section 3.1.6 of the new notes (about the impulse approximation – redownload the notes from the course website if this topic does not agree with this section in your version.)
  5. Reading 5 (no quiz on this one but the material I will feel free to use in assignments and tests): Read section 3.3.6 and 3.3.7 of the new notes (about scattering from charge distributions and multipole moments  – redownload the notes from the course website if these topics do not agree with these sections in your version).
  6. Reading 6 (short open-book quiz on this in class Monday March 16): Read section 4.1 of the new notes (about the quark model – redownload the notes from the course website since this section has been updated since you last got the file.)
  7. Reading 7 (due on Monday March 23 but with no in-class quiz): Read section 3.2.7 and section 3.2.8 of the new notes (about the square-well potential, which is a crude model of a nucleus).

 

Term Project

The term project is to summarize in your own words one of the classic papers of subatomic physics. Describe both what the paper’s intended point was, and why it was important (which are not always the same thing). You can work in groups if you wish, but if so when you submit your paper choice you should also submit a list of the others in your group.

Procedural details and a lengthy list of papers from which to choose are given here. Here are the two main deadlines (but do not wait until the deadline before starting!):

Step one: choose a paper from the list (or you can choose one not on the list if you first get my approval for the paper you have in mind) and tell David which it is (and who your fellow group members are, if any) by Thursday March 5.

Step two: hand in your finished essay in class Monday April 6.

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