A complete summary of edexcel a level physics ’particle physics’ notes, handwritten by an A* physics student (2024), with definitions and diagrams. These notes are a combination of my teachers, physics and maths tutors and further reading to form a complete set of thorough notes.
plum pudding model rutherford's model Bohr's model
negative dense s - electrons in
positive
S
- spots
·
positive
⑧
energy
levels
dough Centre
alpha scattering :
"x i
observations and conclusions :
must particles passed miner
straight through
·
>
-
mostly empty space
·
flected by small (198%
a angles
-
concentrated at the centre
charge
>
-
nucleus' small compared to atom
(deflected >90 %
·
scattered
trynumber by
a small
-
nucleus
positively charged
>
-
nucleus dense (mass concentrated) metal heated until free electrons
very
gain enough energy to be emitted
G
cathode tube
ray
Sections
(
released from cathode
surface by muermionic
emission
electrons attracted positive anode
·
to
>
-
accelerated
by electric field
deflecting
·
coils generate magnetic
field
, conservation
E mc
:
of mass-energy =
particle accelerators :
>
- >
synchrotron
-
Linac cyclotion vacuum chamber
y#
Linac ~
Ion source drift tubes particles accelerate between tubes RF oscillator
·
tubes oppositely charged
·
is fixed (T is fixed) tube length increase
frequency of supply must
:
·
accelerated electric fields !
by
particle)
·
LIMITATION :
Length (limits energy of
alternating
·
electric
·
field between dees
-
accelerates particle
particle
·
magnetic field curves path of
advantages
:
>
-
compact
r uses
components more than once
·
disadvantages :
-
max speed 10*ms") : limits energy
of page
deriving formulas
:
F
Bm
=
ma
reason
-r =
particle path is
&
spiral (rcv)
,time
a
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller 7570A. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.90. You're not tied to anything after your purchase.
