Video18-SR8: Total 4-momentum and solving collision problems using invariants
Автор: Dermot Green - Queen's University Belfast
Загружено: 2021-02-26
Просмотров: 3068
Corrections/errors:
**1) I erroneously said "centre of MASS" a few times when i meant to say "centre of MOMENTUM": the C.O.Momentum frame is that in which the total 3-MOMENTA of the particles (in a closed system) is zero, so it's centre of MOMENTUM.
.
**2) The video was cropped a bit strangely, so I lost the top and right of the board. Nearly everything was in shot, except for a Q_i^{\mu} and a Q_f^{\mu} for the initial and final 4-momenta when discussing the proton-proton example. When i went off the right of the screen, i re-wrote the expression below.
--Contents of this video--
00:00 - Introduction
00:15 - Total 4-momentum (conservation)
07:25 - Using conservation of total 4-momentum
and invariants to solve collision problems (general case)
16:20 - An example: proton-proton collision creating new particles (interchanging energy and mass)
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