Quizbowl Particular Physics I

Proton and neutron make up

Nucleus

Baryons make up

Nucleus

Stable w/ magic numbers of particles

Nucleus

incompressible “liquid drop” model

Nucleus

Decays into pion and positron

Proton

Segre and Chamberlain discovered antiparticle

Proton

“Radius puzzle”

Proton

“Spin crisis”

Proton

delta plus-plus baryon decays to a pion and __

Proton

Most stable baryon

Proton

2 up 1 down quark

Neutron

discovered by Chadwick’s paraffin wax experiment

Neutron

Generated from spallation sources

Neutron

Fermi pseudopotential

Neutron

Howitzers

Neutron

Colliding deuterium together

Neutron

“Prompt” form

Neutron

Bonner spheres measure

Neutron

beryllium tamper increases reflection of

Neutron

Radius = 1.7 * 10^20 Planck lengths

Electron

Langmuir + 18 of __

Electron

Massless lepton

Neutrino

emitted in beta-plus decay (w/ proton and positron)*

Neutrino

Mass detected due to flavor oscillation

Neutron

emit Cherenkov radiation

Neutrino

Super-Kamiokande detector

Neutrino

Homestake experiment predicted sun’s emission of

Neutrino

PMNS matrix

Neutrino

Takaaki Kajita

Neutrino

ICARUS detector

Neutrino

lose energy in Compton scattering

Photon

can ionize the surface of a metal

Photon

can split into an electron and a positron in pair production

Photon

Klein-Nishina formula

Photon

Exchanged in spontaneous parametric down-conversion

Photon

Produced in bremsstrahlung

Photon

Used to mediate electromagnetic force

Photon

Lepton, heavier than e-

Muon

predicted to catalyze hydrogen fusion

Muon

2.2 microsecond lifespan

Muon

Lamb shift amplified by

Muon

Fermilab g-2 experiment

Muon

Carries strong force

Gluon

Namesake “balls”

Gluon

GellMann matrices

Gluon

TASSO collaboration

Gluon

Three combined called “odderon”

Gluon

85% of universal matter

Dark Matter

Can interact with gravity but not electromagnetic force

Dark Matter

“Cold” type

Dark Matter

sterile neutrinos are an example of

Dark Matter

Fritz Zwicky hypothesized

Dark Matter

absorb all incident radiation

Black body

Stefan-Boltzmann law applies to

Black body

5.67 * 10^-8

Black body

energy spectrum diverges to infinity at high frequency

Black Body

CMB approximates the continuous spectrum

Black body

Rayleigh-Jeans Law

Black body

Wien’s displacement law

Black body

Lambertian radiators

Black body

Hohlraum is an example of

Black body

Becquerel unit

Radioactive Decay

governed by the Geiger–Nuttall law

Radioactive decay

“neutrinoless double” form

Radioactive decay

George Gamow modeled the production of

Alpha particle/decay

Geiger–Nuttall law

Alpha particle/decay

Hindrance factor

Alpha particle/decay

Cherenkov radiation** not neutrino

Beta particle/decay

changes atomic number, not atomic mass

Beta particle/decay

steps 2 and 3 of U-238 emits

Beta particle/decay

mediated by W bosons

Beta particle/decay

Kurie-Fermi plot

Beta particle/decay

Calabi-Yau manifolds

Dimensions

Rényi variety

Dimensions

Hausdorff variety

Dimensions

Kaluza-Klein theory uses five

Dimensions

4th quantum number

Spin

Stern and Gerlach experiment

Spin

Gives rise to Zeeman Effect

Spin

Potts and Ising modeled ferromagnetism via

Spin

Left over by Big Bang

CMB

Discovered by Wilson and Penzias

CMB

WMAP measures temperature of

CMB

FIRAS experiment

CMB

MAXIMA experiment

CMB

“Axis of evil”

CMB