Particle Physics Flashcards
Define Isotope
An atom with the same number of protons and different number of neutrons
What is the charge on an electron?
-1.6 x 10-19 C
What is the charge on a proton?
+1.6 x 10-19 C
How do you find specific charge?
charge (in C) / mass (kg)
What are the units for specific charge?
C/kg
Below what distance is the strong force repulsive?
0.5 fm
Between what values is the strong force attractive
0.5 fm to 3-4 fm
What family of particles experience the strong force?
Hadrons (or Quarks)
What does an alpha particle consist of?
2 protons and 2 neutrons
What is a beta - particle?
A high speed electron
What is a beta + particle?
A high speed positron
What is the wave speed equation?
c = fλ
How do you calculate the energy of a photon?
E = hf
How do you calculate the energy of a photon if you only know it’s wavelength?
E = hc/λ
What is the exchange particle for Gravity
(BB)
Graviton
What is the Exchange particle for the electromagnetic force?
(BB)
The Virtual Photon
What are the exchange particles for the Weak force?
(BB)
W+ W- and W0 Bosons
What are the exchange particles for the Strong force?
(BB)
The Gluon and and Pion
What is the effect of the Strong force? (TG)
Hadrons
What is the effect of the Weak nuclear force? (TG)
Radioactive decay
What is the effect of the Electromagnetic force? (TG)
Charged Particles
What is the effect of Gravity? (TG)
Anything with momentum
