High Energy, Nuclear, Particle Physics Forum

Post thread
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.
Graduate How to calculate the nuclear size from the strong nuclear force?
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Question about quark flavor change.
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Understanding the PMNS matrix?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Should the Feynman graph for muon decay include an arrow on the W boson?
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Why is the decay of a single photon impossible?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What is the validity of half lives being constant in all radioactive isotopes?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate A puzzle about the higgs mechanism
  • · Replies 15 ·
Replies
15
Views
4K
Graduate Do virtual particles interact?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Why Does Fission of U235 Release More Energy Than Calculated?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Graviton Propagator and energy-momentum tensor
  • · Replies 1 ·
Replies
1
Views
3K
High School Atom Empty Space: What is in Between Electrons and Nuclei?
  • · Replies 19 ·
Replies
19
Views
5K
Graduate How Does the Pauli Exclusion Principle Explain the Empty Space Inside a Proton?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Is spending huge money on high energy physics expt justified?
  • · Replies 2 ·
Replies
2
Views
3K
High School Atmospheric C14 is measured permil Permil of what?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Decay chain of radioactive isotopes
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Why does the neutrino have a magnetic moment?
  • · Replies 14 ·
Replies
14
Views
10K
Graduate Matter-antimatter symmetry and particle charge
  • · Replies 3 ·
Replies
3
Views
3K
Graduate The link between CP violation and neutrino oscillations?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Why only gamma radiation from nuclear transitions?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate What is the cause of radioactive decay?
  • · Replies 12 ·
Replies
12
Views
18K
Graduate EM Experiment Video: Seeking Details of High-Energy Experiments
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Hiroshima Little Boy Atomic Bomb Physics Help
  • · Replies 1 ·
Replies
1
Views
9K
Graduate Is US Fusion Energy Research at Risk Due to Budget Cuts?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Local Conservation of Charge: Feynman's Thought Experiment Explained
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Constraints on interactions of tachyons
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Pauli Exclusion across the three Generations
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Proton, antiproton annihilation
  • · Replies 2 ·
Replies
2
Views
6K
Graduate What Defines the Size of an Atom and How Do We Know Force Carriers Exist?
  • · Replies 8 ·
Replies
8
Views
2K
Generational Similarities: Neutrino Connection?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Does Wick Rotation Preserve Mass or Orbital Momentum?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Neutron - Proton interaction(through down quark)
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Wave -Particle dualtiy, the most convincing evidence?
  • · Replies 17 ·
Replies
17
Views
3K
Undergrad Is Mass Really the Opposite of Energy?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Degrees of freedom of quantum fields and elementary particles
  • · Replies 1 ·
Replies
1
Views
6K
Graduate What is the conserved quantity for boosts in the Poincare group?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Lorentz Algebra Vector Rep: How to Derive 4x4 Matrices?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Creating MadGraph 5 model folders
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Can Nuclear Fusion Power Ever Reach Break-Even Point?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate 2 Q's about statements in Griffiths' book (regarding proton decay)
  • · Replies 5 ·
Replies
5
Views
3K
Graduate I have some confusion over neutrino oscillations?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Neutron Absortion cross section for an element
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Neutrons don't decay in nuclei because no available states incorrect?
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Neutron-Antineutron pair production
  • · Replies 1 ·
Replies
1
Views
4K
High School Could a major solar flare knock out nuclear reactor safety?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate All Fermion Base Particles: Charge and Rest Energy-Mass
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Stability in the family of baryons
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Singlets and Doublets in SU(2)
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Right handed particles and SU(2)L gauge invariance
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is the Look-Elsewhere Effect Similar to Playing Pool Without Calling Shots?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What happens to neutrons after they are radiated?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate How analogous is the strong force to photon/electron interaction in QED?
  • · Replies 7 ·
Replies
7
Views
3K
Graduate A few doubts about quantum field theory and high energy physics.
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Resonance & Triple Alpha Process: Why Does It Matter?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate A Problem in Georgi's Lie algebras in particle physics
  • · Replies 3 ·
Replies
3
Views
5K
Graduate How abundant are the different generations of matter in the universe?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Electrons and Positrons - Not elementary?
  • · Replies 9 ·
Replies
9
Views
5K
Graduate Cross section of coulomb sacttering vs Rutherford
  • · Replies 2 ·
Replies
2
Views
4K
Particle discovery - reading the plot
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Is it possible to have a single photon ionize an atom of Francium?
  • · Replies 4 ·
Replies
4
Views
3K
High School Virtual particles in interactions
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is c^2 = m/E a Valid Representation of Stable Elemental States?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Why is the decay of Rho meson into pion and photon suppressed?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Why are there so few detected extrasolar neutrino sources?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Why can't an electron have a even lower energy level in atom?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Particle Frequency: Neutron Mass 1.0245 amu
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Has anyone noticed that there are patterns everywhere in high energy physics?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Smeared quantum fields in everyday QFT
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Would a massive collection of neutrons be invisible?
  • · Replies 17 ·
Replies
17
Views
4K
Graduate Estimating Ion Pairs Produced by 5MeV alpha in UF6
  • · Replies 1 ·
Replies
1
Views
2K
Graduate SU(5) model, gauge boson decay
  • · Replies 2 ·
Replies
2
Views
3K
Graduate How to estimate the upper limit mass of electron neutrino?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Why do we never observe the decay of this particle?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate The Higgs Mechanism: Explaining the Role of Goldstone Bosons in Mass Generation
  • · Replies 9 ·
Replies
9
Views
6K
Graduate Question about the standard model equation
  • · Replies 5 ·
Replies
5
Views
4K
High School Would you Hear a Stars Nuclear reactions if you were close to it?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is the strong nuclear force truly stronger at greater distances?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate True or false? Fundamental particles
  • · Replies 14 ·
Replies
14
Views
5K
Graduate Could TIME or the age of matter be a factor?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Graviton Quantization: Energy Needs of Particle Accelerator
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Understanding the Naturalness Problem: Examples and Explanation
  • · Replies 5 ·
Replies
5
Views
6K
Graduate Why Does the Lagrangian of a Free Particle Depend Only on Velocity Magnitude?
  • · Replies 9 ·
Replies
9
Views
3K
High School Radioactivity, disintegrations and Half Life
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Determining a mediating force of an Interaction
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why are all protons identical?
  • · Replies 11 ·
Replies
11
Views
14K
Graduate What is the role of coercivity in modeling superconductors in Opera v15?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What was the principal nuclear reaction of Fermi's nuclear pile
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Finding Charge Conjugation Eigenvalues
  • · Replies 3 ·
Replies
3
Views
8K
Graduate Is Space Continuous or Quantized?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Do all forces have an associated particle?Is there theorized to be
  • · Replies 2 ·
Replies
2
Views
2K
Graduate How is Born Cross Section Related to Observed Cross Section?
  • · Replies 1 ·
Replies
1
Views
8K
Graduate How Does Field Operator Evolution Hold in QFT?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Help:Resonance barion and model
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Massive particle has a specific chirality
  • · Replies 6 ·
Replies
6
Views
4K
High School Can Tabletop Cold Fusion Be Achieved with Simple, Safe Materials?
  • · Replies 21 ·
Replies
21
Views
8K
Graduate Ion beam with different charge state of the same element
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Calculating Cherenkov Radiation Energy & Intensity
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Coupling order in Fenman diagrams
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Exploring Electron Spin: The Stern-Gerlach Experiment and its Implications
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Attractive nature of nuclear forces
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Why Are Cyclotrons Considered Dangerous?
  • · Replies 16 ·
Replies
16
Views
9K