PHY 362L Homework 14
Due Mon 5 Dec 2016
Show all work! This homework relies on material covered in the last week of class, so do
your best.
Thompson problems 1.7, 1.8, 1.9, and:
Problem A: Detectors In Space
The Alpha Magnetic Spectrometer (AMS) is a dete

PHY 362L Homework 13
Due Mon 28 Nov 2016
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Thompson problems 8.2, 8.4, 8.6, 8.7. Note that problem 8.7a has a typo: the formula
should be
F2ep (x)
4
1
+ s(x) + s(x)
= [u(x) + u
(x)] +
d(x) + d(x)
x
9
9
1

PHY 362L Homework 10
Due 4 Nov 2016
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Thompson problems 6.3, 6.4, 6.5, 6.7, and Problem A. For 6.7c you can either read
up on the parity operator in section 4.9 or do the brute force calculation.
Problem A
A follow up to the idea of mass as a

PHY 362L Homework 8
Due Fri 18 Nov 2016
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Problem 1: Lets derive the scattering form factors F (~q) for some spherically symmetric
charge distributions centered at the origin. (Were assuming (~x) d3 x = (r)r2 d d cos dr.)
a) Argue why, for a

Conversion Table for natural and MKSA Units
Natural units defined by: ~ = c = 1 (and 40 = 1). Remaining unit is choosen to be
Energy (eV).
Quantity
Length
Mass
Time
Frequency
Speed
Momentum
Force
Power
Energy
Charge
Charge density
Current
Current density

PHY 362L Homework 3
Due 16 Sep 2016
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Problem 1
Lets try to collide two protons together to make a single, very heavy object. Let the initial
particles have energy and momentum [E1 , p~1 ] and [E2 , p~2 ]. Since energy and momentum
are conser

PHY 362L: Assessment Quiz
Due 26 Aug 2016
This quiz is intended to give me (and you) feedback on your level of preparation for the
class. It will not count towards your final grade. Dont spend too much time on it; if you
dont know how to approach a proble

PHY 362L: Homework 2
Due 9 Sep 2016
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Thomson problems 2.1; 2.3; 2.4; 2.5; 2.6; 2.7; 2.8; 2.12; 2.14; 2.15.
Problem A. Lets derive the energy-momentum four-vector of a particle of mass m. First,
lets make a velocity-like four-vector u. In the

PHY 362L Homework 5
Due 30 Sep 2016
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Thompson problems 3.4, 3.5, 3.6, 3.8
Problem A
On Homework 3, we derived a modification of Fermis Golden Rule when we allow the
initial state to decay away as ci (t) = et/2 . The probability of winding up

PHY 362L Homework 7
Due 14 Oct 2016
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Thompson problems 4.2, 4.3, 4.4, 4.6, 4.9. Extra credit: 4.15.
Things to know:
We discussed the form ofthe Dirac basis spinors u1 , u2 , u3 , and u4 , up to a normalization
factor N . That factor is E + m

PHY 362L Homework 6bis
Due 14 Oct 2016
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Problem A
To investigate the process 2 H + 3 H 4 He + n (deuterium-tritium fusion), a beam of
deuterium nuclei is sent towards a stationary tritium target. The deuterons have a kinetic
energy of 5 MeV

PHY 362L Homework 4
Due 25 Sep 2015
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Thompson problems 2.11; 3.1; 3.2; 3.7; 3.9. To solve 3.7, use non-relativistic approximations for E and p~ (e.g. Ea = ma + 12 ma va2 ) and keep only terms at most quadratic
in velocities.
1