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 Understanding SU(3) & Quarks: Proton Structure & Multiplets
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Why is e and ln(2) used in the radioactive decay formula?
  • · Replies 10 ·
Replies
10
Views
71K
Graduate Higgs mechanism and gauge theory
  • · Replies 19 ·
Replies
19
Views
6K
Graduate Pure Yang-Mills theory in D=1+1
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Calculating the Neutrino Spectrum for Cr Decay to V
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Another question about beta decay (stupid ones)
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Beta Decay: Why Isomeric State Has Long Half-Life
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Interaction without T-Channel: S-Channel Only
  • · Replies 1 ·
Replies
1
Views
3K
High School Peter Heuer High School Students Build Cyclotron - Peter Heuer
  • · Replies 19 ·
Replies
19
Views
4K
Graduate Light-Cone Gauge Definition & Advantages
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Another question on rates, propagators, etc
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Weak Interaction Invariance Under CPT Symmetry
  • · Replies 3 ·
Replies
3
Views
3K
Graduate NY Times: Potential Hazards of the LHC
  • · Replies 5 ·
Replies
5
Views
4K
Graduate What factors influence the decay width of particles?
  • · Replies 1 ·
Replies
1
Views
8K
Graduate Understanding the Unitarity of CKM Matrix and Its Conservation of Probability
  • · Replies 11 ·
Replies
11
Views
6K
Graduate Weak Decay of Hyperon: Explained!
  • · Replies 5 ·
Replies
5
Views
3K
Change the date to my old genie2k .cnf file
  • · Replies 2 ·
Replies
2
Views
3K
Graduate The Role of Propagators in Determining Decay Rates
  • · Replies 9 ·
Replies
9
Views
4K
Graduate Is U(1)xU(1) a valid electroweak theory with massive photons?
  • · Replies 13 ·
Replies
13
Views
8K
Graduate PhD Thesis on Neutrinos: Seeking Advice
  • · Replies 9 ·
Replies
9
Views
4K
Graduate Weak and Strong Processes For Z =/= Z(Max Stability)
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Helicity - Experiment proving CP violation
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Q values for strong weak and EM interactions?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Q: What is the role of axial vector coupling in e+e- annihilation?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate How do parities add up in a two-body system in the shell model?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Virtual Particle Interaction: Will Virtual Boson Leave Track?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad What is the role of Thallium in NaI scintillators?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Virtual particles stolen from the universe?
  • · Replies 3 ·
Replies
3
Views
2K
High School Whats the difference between colour and flavour?
  • · Replies 5 ·
Replies
5
Views
11K
Graduate Cabibbo Theory: Clearing Up the Basics
  • · Replies 2 ·
Replies
2
Views
6K
Graduate A question about trace technology
  • · Replies 19 ·
Replies
19
Views
7K
Graduate Flavour-SU(2) for Pion-Multiplett
  • · Replies 4 ·
Replies
4
Views
3K
Graduate How do you create protons, neutrons, and electrons from energy?
  • · Replies 30 ·
2
Replies
30
Views
46K
Graduate Your Thoughts on Black Hole Production at CERN
  • · Replies 16 ·
Replies
16
Views
6K
Undergrad A question on converting MeV to GeV
  • · Replies 3 ·
Replies
3
Views
6K
Graduate Photon-Proton Cross Section vs Electron-Photon
  • · Replies 5 ·
Replies
5
Views
6K
Graduate Latest info about parton fragmentation
  • · Replies 11 ·
Replies
11
Views
4K
Graduate Why hasn't the Higgs boson been found despite LHC's power?
  • · Replies 10 ·
Replies
10
Views
6K
Graduate Is Spin a Geometrical Indicator of Elementary Particles' Nature?
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Matter/antimatter annihilation question
  • · Replies 1 ·
Replies
1
Views
5K
High School What and how antimatter is created
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Electron-Positron Collisions: Annihilation or Conversion?
  • · Replies 25 ·
Replies
25
Views
6K
High School What's this filaments of a nuclear explosion?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Grand Unification Theory fine structure constant
  • · Replies 5 ·
Replies
5
Views
5K
Graduate the observed masses of the particles R. Feynman
  • · Replies 30 ·
2
Replies
30
Views
8K
Graduate Origin of terminology (baryon number, hypercharge, strangeness)
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Derivation of Yukawa potential: quandry
  • · Replies 1 ·
Replies
1
Views
9K
Graduate Comparing Q^2 Values for Colliding Beam Processes
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Visualization of electron as a wave
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Helicity (as related to photons and Z-bosons)
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Can equation of motion depend on the choice of metric?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate QCD Confinement: Wilson Loops & Quantum Fluctuations
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Understanding Relativistic Kinematics for Proton-Photon Collisions
  • · Replies 2 ·
Replies
2
Views
3K
Graduate How is the Fermi coupling constant related to the muon decay lifetime?
  • · Replies 9 ·
Replies
9
Views
13K
Graduate Decay Energy & Thermal Yield of Light Water Reactor Waste
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Questions on super gamama rays
  • · Replies 9 ·
Replies
9
Views
3K
Graduate How Does Energy Dependence Affect Light Yield in PST Scintillators?
  • · Replies 2 ·
Replies
2
Views
3K
High School What if we split the proton and destroy our world?
  • · Replies 16 ·
Replies
16
Views
4K
Graduate Black Hole Evaporation: Charged Particle Energy Effects
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Variational Technique for Derivatives of $\phi$
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Is possible some elements absorb neutrons, without any nuclear reaction?
  • · Replies 8 ·
Replies
8
Views
6K
High School Cern LHC Experiments: Date of Higgs Particle Search
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Why there is more energy released in fusion than fission?
  • · Replies 14 ·
Replies
14
Views
14K
Undergrad Is covering a high radioactivity alpha source with a low Z material safer?
  • · Replies 2 ·
Replies
2
Views
5K
High School Does an A mass always give the same amount of energy?
  • · Replies 5 ·
Replies
5
Views
3K
High School Why are some particles more strongly ionising than others?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Understanding Spin: Subatomic Particle Properties & Measurements
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What is the typical efficiency of a muon detector at an accelerator experiment?
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad Volts/amps for an electric arc between points
  • · Replies 4 ·
Replies
4
Views
14K
Undergrad (Neutron capture) cross section
  • · Replies 26 ·
Replies
26
Views
20K
Graduate Up/Down Quarks: How Their Charge Was Determined
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Accelerating Neutrons: Learn How to Use Experimental Neutrons
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Not back-to-back emission of decay products
  • · Replies 11 ·
Replies
11
Views
5K
Graduate W and Z boson production and decay at e-e+ collider
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Function of Neutron: Mass, Charge, Gravity?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Stripping Electrons: Can Plates Charge in Open Air?
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Quarks & Spin States: Why Identical?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Pair Production: Why Can't Photon Create Positron+Electron?
  • · Replies 11 ·
Replies
11
Views
4K
Graduate Obtaining BPS States in Interacting Field Theory
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Spin 0 Particles: Tachyon & Beyond
  • · Replies 9 ·
Replies
9
Views
6K
Graduate Bremstrahlung Radiation: Understanding the Three Vertex Feynman Diagram
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Low Energy Neutrinos: Questions & Answers
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Size of Neutron: Is It the Same as Proton?
  • · Replies 17 ·
Replies
17
Views
19K
Graduate First superheavy element found in nature
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Muon-Catalyzed Fusion of Metallic Hydrogen
  • · Replies 3 ·
Replies
3
Views
8K
Graduate Are the uds particle wavefunctions correct in explaining the particle octet?
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Obtaining Dirac equation from symmetries
  • · Replies 2 ·
Replies
2
Views
3K
Graduate What Are the Key Insights from Independent-Particle Models in 1930s Physics?
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Calculating Cross Section: Is (1-\gamma^5) Same as (1-\gamma_5)?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Calculating Static Potential with Lattice Calculations
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Parton? quarks? what is the difference?
  • · Replies 13 ·
Replies
13
Views
11K
Graduate Calculating Cross Sections Using Intermediate Vector Boson Theory
  • · Replies 5 ·
Replies
5
Views
5K
Graduate K+/- Decay: Angular Momentum Explained
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad The nuclear fission does not work
  • · Replies 10 ·
Replies
10
Views
4K
Graduate What Are the Pros and Cons of Different WIMP Detection Strategies?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Formation of elements under conditions of thermodynamic equilbrium
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Light-Front Holography: Gravitational Form Factors of Hadrons
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Calculating Cross Section with 4-Fermi Interaction
  • · Replies 30 ·
2
Replies
30
Views
10K
Graduate Positron-electron annihilation
  • · Replies 12 ·
Replies
12
Views
5K
High School Why most particles are spherical?
  • · Replies 15 ·
Replies
15
Views
6K