High Energy, Nuclear, Particle Physics Forum

Join expert discussion on High Energy, Nuclear, Particle Physics. Properties, relationships, and interactions of subatomic particles. Experimental and theoretical physics of nuclei and elementary particles.

Threads

Graduate What is SU(2)xU(1) Unification in Weak and Electromagnetic Interactions?

  • Magister
  • · Replies 6 ·
Replies
6

Graduate Would these work? this is just academic interest.

  • PhysiksFreak
  • · Replies 20 ·
Replies
20

Graduate Recent and Recommended Nuclear Radii for All Isotopes

  • mist
  • · Replies 5 ·
Replies
5

Control creation time of light particles

  • TimeCurtis2289
  • · Replies 6 ·
Replies
6

Graduate Pions - how they interact with Baryons

  • JPC
  • · Replies 14 ·
Replies
14

Graduate Weinberg, Vol. 1: Path Integrals Query

  • Reggaerules
  • · Replies 2 ·
Replies
2

Graduate Why are gauge fields in the adjoint rep?

  • nrqed
  • · Replies 4 ·
Replies
4

Graduate How Does Self-Absorption Affect Intensity in a Spherical Gamma-Ray Source?

  • physfan01
  • · Replies 1 ·
Replies
1

Graduate Weak interaction - conservation laws

  • Hoof47
  • · Replies 3 ·
Replies
3

Graduate Is hypercharge conserved in weak interactions?

  • Hoof47
  • · Replies 14 ·
Replies
14

Graduate Is the Moment of Inertia Formula for a Fluid Nucleus Accurate?

  • malawi_glenn
  • · Replies 0 ·
Replies
0

Graduate Are Elementary Particles Distinguishable?

  • bilha nissenson
  • · Replies 7 ·
Replies
7

Graduate Confusion about group theory/topology notation

  • arroy_0205
  • · Replies 2 ·
Replies
2

Graduate Beta Decay, how can baryons produce Leptons ?

  • JPC
  • · Replies 52 ·
2
Replies
52

Graduate Why is the dineutron pair unbound?

  • malawi_glenn
  • · Replies 4 ·
Replies
4

Graduate How does a scalar transform under adjoint representation of SU(3)?

  • arroy_0205
  • · Replies 2 ·
Replies
2

Graduate What distinguishes the neutrinos?

  • quantumfireball
  • · Replies 6 ·
Replies
6

Graduate Pythia and differential cross sections

  • dilekulas
  • · Replies 5 ·
Replies
5

Graduate CDF ZZ Event Display: Lepton 1 Ambiguity

  • touqra
  • · Replies 3 ·
Replies
3

Graduate Pion Reaction: Learn About e⁻+n→e⁻+p⁺+π⁻

  • luisgml_2000
  • · Replies 1 ·
Replies
1

Graduate Why does CP violation occur only in specific quark interactions?

  • Magister
  • · Replies 10 ·
Replies
10

Graduate Excitation levels and Nucleus Size

  • genloz
  • · Replies 8 ·
Replies
8

Graduate Can Protons Be Emitted During Beta Minus Decay?

  • spideyinspace
  • · Replies 6 ·
Replies
6

Graduate Why are electrons more energetic than hot protons in a three-population plasma?

  • Heimdall
  • · Replies 1 ·
Replies
1

Graduate How do you check if a particle reaction is allowed?

  • genloz
  • · Replies 4 ·
Replies
4

Graduate Why can't nuclear reactors use double electron capture for direct electricity?

  • MagikRevolver
  • · Replies 2 ·
Replies
2

Graduate Calc Neutrino Energy Threshold for νe + ^71Ga → ^72Ge + e⁻

  • Nakalay
  • · Replies 7 ·
Replies
7

Graduate Subatomic rotations in a plane Abelian group

  • genloz
  • · Replies 2 ·
Replies
2

Graduate Significance of Surface and Coulomb Terms

  • genloz
  • · Replies 2 ·
Replies
2

Undergrad Would an electron beam from a particle accelerator harm a person?

  • WriterMon
  • · Replies 5 ·
Replies
5

Graduate Understanding Muon and Tau Antineutrinos: Common Questions and Misconceptions

  • spideyinspace
  • · Replies 8 ·
Replies
8

Undergrad Why is nuclear fission only done on heavy nuclei?

  • spideyinspace
  • · Replies 21 ·
Replies
21

Graduate Looking for solutions to Srednicki's QFT book?

  • Stilo
  • · Replies 1 ·
Replies
1

Graduate What happens when matter and antimatter collide?

  • spideyinspace
  • · Replies 15 ·
Replies
15

Graduate What are the best sources for understanding CP violation in the B system?

  • Magister
  • · Replies 1 ·
Replies
1

Graduate Helicity violation in strong interaction?

  • metter
  • · Replies 3 ·
Replies
3

Undergrad Do F-Block Elements Influence the Efficiency of Nuclear Fuels?

  • spideyinspace
  • · Replies 2 ·
Replies
2

Graduate How Do Baryons Emerge in the Standard Model Through Topological Effects?

  • Jim Kata
  • · Replies 3 ·
Replies
3

Graduate What consequenses would there be if the photon got mass?

  • Hymne
  • · Replies 2 ·
Replies
2

Graduate Operators fields and classical fields

  • quantumfireball
  • · Replies 1 ·
Replies
1

Graduate Quantum field theory or particle physics what first?

  • quantumfireball
  • · Replies 8 ·
Replies
8

Graduate Is Building a Mass Spectrometer for a Senior Project Feasible?

  • leright
  • · Replies 20 ·
Replies
20

Graduate What determines the size of an atom?

  • Gigacore
  • · Replies 3 ·
Replies
3

Graduate Magnetic Photons: Abdus Salam's Theory on C-Violation

  • Urvabara
  • · Replies 3 ·
Replies
3

Undergrad How long does it take to form a deuteron nucleus?

  • nez
  • · Replies 7 ·
Replies
7

Graduate Why Are Antiparticles Essential for Particle Mixes in Quantum Field Theory?

  • genloz
  • · Replies 45 ·
2
Replies
45

Graduate Is Quantum Flavordynamics the Same as Electroweak Theory?

  • Urvabara
  • · Replies 2 ·
Replies
2

Undergrad Can a device generate 10^25 electrons per second?

  • ppyadof
  • · Replies 11 ·
Replies
11

Graduate Whatever happened to Thirring and Nambu-Jona-Lasinio

  • OOO
  • · Replies 11 ·
Replies
11

Graduate Gluon propagator in the infrared

  • Lester
  • · Replies 1 ·
Replies
1

Graduate What Steps Are Needed to Fix a Suitable Gauge in Multiple Spacetime Dimensions?

  • arroy_0205
  • · Replies 1 ·
Replies
1

Graduate How to count polarization states of massive particles?

  • arroy_0205
  • · Replies 1 ·
Replies
1

Graduate How are particle masses measured?

  • Moth
  • · Replies 8 ·
Replies
8

Graduate How are meson spins worked out?

  • genloz
  • · Replies 10 ·
Replies
10

Graduate Transmutation of hydrogen into biochemical elements?

  • kanzure
  • · Replies 2 ·
Replies
2

Graduate Differential cross section w.r.t rapidity

  • neu
  • · Replies 6 ·
Replies
6

Graduate What Role Does Temperature Play in Particle Physics?

  • Enzoblue
  • · Replies 3 ·
Replies
3

Graduate Lepton beta decay when m near m_W?

  • arivero@unizar.es
  • · Replies 1 ·
Replies
1

Graduate PT symmetric non Hermitian formulation of QM

  • CarlB
  • · Replies 4 ·
Replies
4

Graduate Why does the Breit-Wigner formula have spin factors (2Sa+1)(2Sb+1)?

  • kuengb
  • · Replies 6 ·
Replies
6

Graduate Where to find a comprehensive list of particle decay modes and probabilities

  • trilex1
  • · Replies 11 ·
Replies
11

High School What are symmetry and symmetry breaking?

  • vincentryan
  • · Replies 1 ·
Replies
1

Graduate Finding scattering angle as a function in Mie scattering

  • khdani
  • · Replies 12 ·
Replies
12

Graduate Deriving the Dirac propagator 'purely' from causality

  • Hans de Vries
  • · Replies 0 ·
Replies
0

Undergrad Where did all the anti matter go to?

  • Cookie_1993
  • · Replies 9 ·
Replies
9

Graduate Measuring Time Intervals: How Precise Can We Go?

  • Rahmuss
  • · Replies 2 ·
Replies
2

Graduate An UHECR neutron (kinetic energy 10^19 eV) approaches a magnetar (B = 10^10 T)

  • Count Iblis
  • · Replies 6 ·
Replies
6

Undergrad How do 4 hydrogen atoms combine to form 1 helium atom?

  • Rahmuss
  • · Replies 13 ·
Replies
13

Graduate How do fundamental particles mediate the four fundamental interactions?

  • Skhandelwal
  • · Replies 23 ·
Replies
23

Graduate Can Electrons Be Decomposed Further Than Their Known Particle State?

  • 0402458
  • · Replies 8 ·
Replies
8

Graduate Why don't neutrons fuse with a hydrogen nucleus?

  • Denton
  • · Replies 5 ·
Replies
5

Graduate Cosmic Ray Muon Production Altitude is not right

  • quark.expr
  • · Replies 12 ·
Replies
12

Undergrad Can you delay or stop radioactive decay?

  • bassplayer142
  • · Replies 16 ·
Replies
16

Graduate Island of Stability (Unbihexium)

  • sanman
  • · Replies 3 ·
Replies
3

Graduate Mesons and bosons, same or different?

  • doubledouble
  • · Replies 6 ·
Replies
6

Graduate Why is the TeV scale important in predicting new physics?

  • A/4
  • · Replies 4 ·
Replies
4

Undergrad The Four Fundamental Force Equations

  • Rahmuss
  • · Replies 4 ·
Replies
4

Graduate Containing low-density ionized hydrogen with magnetic fields for ion drives

  • RGClark
  • · Replies 6 ·
Replies
6

Undergrad Determining half-life of a radioactive sample

  • doubledouble
  • · Replies 1 ·
Replies
1

Graduate What are mass eigenstates and how do they relate to quarks and neutrinos?

  • duck_21
  • · Replies 5 ·
Replies
5

Graduate What are the missing energy techniques in high energy physics data analysis?

  • retupmoc
  • · Replies 4 ·
Replies
4

Graduate Hi, I'm new and have a couple questions.

  • spmodoc
  • · Replies 15 ·
Replies
15

Graduate What Does Isotropy Mean in a Two-Dimensional Harmonic Oscillator?

  • cks
  • · Replies 1 ·
Replies
1

Graduate What is the Meaning of Gamma_{1} in Nuclear Physics?

  • Soff
  • · Replies 3 ·
Replies
3

Graduate Can a Gravity Shield Allow for Superfast Travel?

  • Mackay1011
  • · Replies 19 ·
Replies
19

Undergrad Check uranium-235 fission decay calculation for errors

  • pmb_phy
  • · Replies 12 ·
Replies
12

Graduate Electroweak symmetry breaking without a Higgs

  • A/4
  • · Replies 3 ·
Replies
3
Replies
10

Undergrad Binding Energy and Mass Deficit

  • kcodon
  • · Replies 5 ·
Replies
5

Undergrad An easy one about atomic bombs.

  • BillH
  • · Replies 9 ·
Replies
9

Graduate What is the Fermion Moving at Light Speed?

  • iamquantized
  • · Replies 4 ·
Replies
4

Graduate Where can I find resources for calculating the deuteron quadrupole moment?

  • rahuldandekar
  • · Replies 2 ·
Replies
2

Graduate Muon Attenuation: Is Heavy Metal Significant?

  • stakhanov
  • · Replies 4 ·
Replies
4

Graduate What are some suggestions for a Monte Carlo simulation in nuclear physics?

  • malawi_glenn
  • · Replies 7 ·
Replies
7

Graduate How Do Resonance and Quasiparticles Differ in Physics?

  • touqra
  • · Replies 1 ·
Replies
1

Graduate Is there a convenient parameterization for muon radiative losses in matter?

  • stakhanov
  • · Replies 2 ·
Replies
2

Graduate How does a static electric field accelerate protons and transfer power?

  • lilrex
  • · Replies 8 ·
Replies
8

Undergrad Quark's mass vs an electron's mass

  • syano
  • · Replies 17 ·
Replies
17

Graduate Dark matter/virtual particles in standard model?

  • jnorman
  • · Replies 6 ·
Replies
6

Undergrad Understanding Isospin in Nuclear Physics

  • captain
  • · Replies 4 ·
Replies
4