Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Subatomic Physics

Phys 4357 Fall 2008Ed HungerfordRM 408 S&R 1

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP Scientific

Methodology

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Scales

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP The Atom

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP Fundamental Forces

Force Strength Range Exchange Boson

Strong ~1 1 fm Pion

Electromagnetic 1/137 1/r gamma

Weak 10 -13 2.5 x 10 -3 fm W±, Z0

Gravitational 10 -42 1/r Graviton

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP The Strong Interaction

MFT

RHA

HF

nuclear matter

Critical Point ?

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

β+ decay

β- decay

Isobars

Isotopes

Isotones

Stability

Chart of Nuclides

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Subatomic Particles in the Nucleus

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP Some Useful Units

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP The Definition of Cross

Section

Nuclear radius Coulomb Scattering

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP The Unit of Cross Section

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Discovering Sub-Structure

λ = ħ/p

Fall 08 E. V. HungerfordUniversity of Houston

U H MEP

Standard Model Fundamental Subatomic Particles

Lep

tons

BosonsFermionsH

adro

ns

Famalies

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U H MEP

An Example of The Energy/Mass Relation