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.
High School What exactly is meant by the word "particle"
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Can a Lagrangian in QFT be Renormalizable?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What radiation detector can tell energy level?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate When the electric field of the ionization chamber increase...
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Connected graphs and phi^4 interacting theory
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Adjoint representation of Lorentz group
  • · Replies 3 ·
Replies
3
Views
3K
Graduate A double alpha disintegration?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Can a powerful projectile electron drill through nucleus?
  • · Replies 9 ·
Replies
9
Views
3K
High School Can X-Ray Illumination Alter Material Opacity to Light?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Are all particles subject to gravity?
  • · Replies 12 ·
Replies
12
Views
3K
Graduate At 0K - Particles Inside the Nucleus: Do They Move?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Electron-positron annihilation diagram
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Higgs production cross section
  • · Replies 7 ·
Replies
7
Views
2K
Graduate SU(2) lepton doublet conjugation rules
  • · Replies 22 ·
Replies
22
Views
6K
Graduate Comparing Path Integral Conventions in QED
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Does QFT specify particle propagation?
  • · Replies 38 ·
2
Replies
38
Views
5K
Graduate Nuclear decay of small amount and by different processes
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Has the Charge Quantization Problem Been Solved Without Magnetic Monopoles?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Peskin & Schroeder - page 5 - Computation of ##\mathcal{M}##
  • · Replies 26 ·
Replies
26
Views
4K
Graduate Can Symmetry Unbreaking Restore Forces in Physics?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Are quarks shared between nucleons?
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Why Do Electron, Muon, and Tau Masses Differ in Scale and Correction Effects?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How Do Axions Interact with Electromagnetic and Gravitational Fields?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad What is the phenomena of Mixing?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How to simulate protons on a computer program to observe them?
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad How can Gluon travel at speed of light?
  • · Replies 19 ·
Replies
19
Views
4K
Graduate Understanding Kaon Antikaon Oscillation through the Two Body Problem
  • · Replies 10 ·
Replies
10
Views
2K
Graduate How Do Resonances Differ from Virtual States in Quantum Physics?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Calculate Baryons Annihilation Cross Sections
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Po-210. Comparison of Gamma and Alpha spectrometry
  • · Replies 18 ·
Replies
18
Views
5K
Undergrad Nuclear decay of a small number of atoms calculation
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Calculating Eq.(23) from Eq.(15): Seeking Help!
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Energy Excitation: Why Electron Emits Radiation
  • · Replies 6 ·
Replies
6
Views
1K
Graduate Peskin and Schroeder - page 4 - spin and cross section
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Proton / electron mass ratio equation
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Question about conditions for Force Free Fields in plasma
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Could a Meson Beam Weapon from Sword of the Stars Ever Be Realistic?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Wikipedia.org -- Protons captured by neutral gas atoms?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Can electro-weak unification be tested at CERN?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Why are disconnected diagrams dropped from S-Matrix
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Why does some reactions do't go to the fundamental state?
  • · Replies 1 ·
Replies
1
Views
992
Graduate How to know if a particle is on shell in general?
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Effective operator and allowed loop level interactions
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Fission neutron classification
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Anti Proton vs Neutron annihilation
  • · Replies 4 ·
Replies
4
Views
4K
Graduate When is the total C-parity of two particles the product?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Electron capture in fully ionised nuclei
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Loop correction for quartic Higgs coupling
  • · Replies 4 ·
Replies
4
Views
2K
Graduate The End of the Road: LHC Findings and the Fate of Physics
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Materiality of elementary particles
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Wave Particle Duality: Understanding Single Slit Experiment
  • · Replies 15 ·
Replies
15
Views
3K
Undergrad What is the binding energy of H-1?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Feynman's approach to precision QED
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad What is the definition of the coefficient of linear and mass
  • · Replies 6 ·
Replies
6
Views
2K
Graduate What is the Model Independent Expectation Value for QCD Vacuum?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Yang-Mills theory, confinement and chiral symmetry breaking
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is it possible to fuse more than two atoms at once?
  • · Replies 8 ·
Replies
8
Views
3K
High School What is an elementary particle?
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Designing a Fusion Reactor: Calculating Plasma Currents
  • · Replies 7 ·
Replies
7
Views
2K
Graduate How do I calculate the trace of SU(3) generators in the adjoint representation?
  • · Replies 13 ·
Replies
13
Views
8K
Graduate Is the LHC Beam Prevented from Falling at 9.81 m/s by Electromagnetic Fields?
  • · Replies 3 ·
Replies
3
Views
1K
Graduate Particle accelerator based nuclear fusion?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Why is the Strong Force Responsible for Pi+ + Proton -> K+ + X?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Symmetric or antisymmetric spontaneous fission
  • · Replies 12 ·
Replies
12
Views
3K
Graduate The definition of transverse amplitude in the process: ep→epπ
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Dimension of a partial decay width
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Secondary effect of Electron capture and Internal conversion
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Beta function of electroweak theory
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Experimental Signatures of Neutral Pion Decay at High Energies
  • · Replies 10 ·
Replies
10
Views
4K
Graduate Probability of finding a particle at X?
  • · Replies 3 ·
Replies
3
Views
1K
Graduate X-ray production - maximum pressure
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Do Pair Produced Particles Always Have Opposite Spins?
  • · Replies 11 ·
Replies
11
Views
4K
Graduate Solving the Mystery of the Missing Term in the Compton Effect Formula
  • · Replies 4 ·
Replies
4
Views
2K
Graduate CP violation and allowed interactions
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Anti hydrogen - hydrogen annihilation
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Ionising Particles Quickly: What's the Best Way?
  • · Replies 21 ·
Replies
21
Views
2K
Graduate Total significance Higgs discovery at 7+8TeV LHC
  • · Replies 13 ·
Replies
13
Views
2K
Graduate Order-of magnitude estimate fails for angular momentum in decay
  • · Replies 16 ·
Replies
16
Views
2K
Graduate Origin of the value of the vacuum v ~ 246 GeV
  • · Replies 8 ·
Replies
8
Views
5K
Graduate Muon-Enhanced Atoms: Fusion Efficiencies Explored
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Different stable nuclear spins for the same isotope
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Which particles have mass and antiparticle partners?
  • · Replies 2 ·
Replies
2
Views
1K
Graduate Distribution of released energy in nuclear fusion
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Why is the hierarchy problem a problem?
  • · Replies 44 ·
2
Replies
44
Views
10K
Graduate Number of particles in the universe
  • · Replies 22 ·
Replies
22
Views
4K
Graduate New LHC results 2015: Tuesday Dec 15 - interesting diphoton excess
  • · Replies 45 ·
2
Replies
45
Views
10K
Undergrad Potential new particle shows up at the LHC
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Oklo-phenomenon - is this a Natural nuclear reactor?
  • · Replies 12 ·
Replies
12
Views
2K
Graduate Density of states in Fermi's golden rule
  • · Replies 1 ·
Replies
1
Views
2K
High School The Truth About Half-Life and Interest Rates
  • · Replies 6 ·
Replies
6
Views
1K
Graduate Why can't there be other Boson particle clusters
  • · Replies 2 ·
Replies
2
Views
1K
Graduate If there is a particle at 750 GeV, what is it? a quark?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How does protons has mass and not pions?
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Truck-deployed nuclear reactors antineutrino detector: range?
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Why ##SU(2) \times U(1)## for the SM?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate ##\overline{MS}## in scalar theory references
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Radon 222 What is really going on?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Lie Group v Lie algebra representation
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Counterterms in self-energy diagram
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Does every photopeak orginate a Compton edge?
  • · Replies 2 ·
Replies
2
Views
3K