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Graduate Why does the Meissner effect levitate a magnet if flux isn't changing?
- cragar
- · Replies 8 ·
Graduate Why are there no fractionally charged hadrons?
- MrRobotoToo
- · Replies 3 ·
Undergrad Electron Diffraction: Isolating Particles
- kooombaya
- · Replies 1 ·
Graduate Are the Higgs boson and graviton both gauge bosons?
- Deamito
- · Replies 14 ·
Graduate QCD Puzzle: Unsolved Equations at Atomic Nuclei Energy Scales
- Deepak247
- · Replies 4 ·
Graduate Measuring Ion Temperature in Plasma: Why Use Tungsten/Molybdenum Probes?
- mkbh_10
- · Replies 1 ·
Graduate What Are Unknown Anomalies in Particle Physics?
- Deepak247
- · Replies 5 ·
Graduate Why does a spin-0 pion decay to a spin-1 W boson?
- alsey42147
- · Replies 2 ·
Graduate Why doesn't the Dirac equation give antiparticles negative mass?
- widderjoos
- · Replies 6 ·
Graduate Why are particles produced in jets?
- coca12
- · Replies 1 ·
Undergrad Questions about constructing a cyclotron
- RB211
- · Replies 1 ·
Undergrad Can Teflon Stop Alpha Particles?
- Northprairieman
- · Replies 4 ·
Graduate High energy light slower than lower energies?
- tcthmas
- · Replies 4 ·
Graduate Why Must $w(Q_n) = -w(Q_m)$ for $Z_{nm} \neq 0$ in Weinberg III?
- Si
- · Replies 1 ·
Undergrad Can regular electron guns or ion cannons achieve particle beam weapon effects?
- Kalrag
- · Replies 11 ·
Graduate How would the world look if all particles spin would align?
- jjoensuu
- · Replies 2 ·
Undergrad Electron Capture: Nucleus Capturing Revolving Electron Shell
- kmp
- · Replies 2 ·
Graduate Why is QED being blamed for the discrepancy in proton radius measurements?
- PAllen
- · Replies 8 ·
Graduate Question on calculating mean range of alpha
- jackjoo87
- · Replies 6 ·
Graduate Are gluons real particles or just perturbation theory artifacts?
- Morberticus
- · Replies 5 ·
Graduate How do we measure muon decay products and lifetime?
- thoms2543
- · Replies 15 ·
Graduate Stopping or absorbing gamma rays
- Kalrag
- · Replies 1 ·
Experimental measurements of decays into two photos that I have missed
- arivero
- · Replies 1 ·
Undergrad Simple energy release question
- humsafar
- · Replies 1 ·
Graduate Why 3 dof for a particle and not 6 including rotation
- babbar.ankit
- · Replies 1 ·
Undergrad How much heat can radium produce from its decay?
- Kalrag
- · Replies 1 ·
Graduate Difference between neutrino flavor state and mass eigenstate
- thoms2543
- · Replies 7 ·
Graduate Why Don't Articles Distinguish Neutrinos?
- thoms2543
- · Replies 14 ·
Undergrad Why does measuring muon decay time in a scintillator give the lifetime?
- shadocat08
- · Replies 5 ·
Graduate Why does the first W boson have greater momentum in pion decay?
- billbray
- · Replies 5 ·
Graduate Why does a photon not have an antiparticle?
- binbots
- · Replies 24 ·
Undergrad Do neutron sources play a crucial role in the function of nuclear bombs?
- p.tryon
- · Replies 9 ·
Graduate Different frames of reference and particle production? a contradiction maybe?
- jeebs
- · Replies 4 ·
Graduate Is LanHEP the Answer for Generating Feynman Rules from Lagrangians?
- Neitrino
- · Replies 2 ·
Graduate The Mystery of Why Photons Have No Mass
- Waveparticle
- · Replies 19 ·
Graduate Energy released in proton-antiproton annihilation at different GeV levels
- humsafar
- · Replies 3 ·
Graduate Particle physics lectures (TASI videos)
- daschaich
- · Replies 4 ·
Graduate Detecting Single Electrons: Possibilities and Limitations
- jonlg_uk
- · Replies 2 ·
Graduate Why cant we tell the mass of electron neutrinos, mu neutrinos, and tau
- Waveparticle
- · Replies 2 ·
Graduate Is the QED action bounded in the path integral formulation?
- JustinLevy
- · Replies 8 ·
High School What is the physical meaning of form factor?
- jaleyil
- · Replies 10 ·
Graduate Muons and Taus: Is There a Theoretical Reason They Decay So Rapidly?
- RJMooreII
- · Replies 1 ·
Undergrad Why are some oil drops charged in Millikan's experiment?
- fluidistic
- · Replies 16 ·
Graduate Can neutrinos annihilate into photons through electromagnetic interaction?
- Upisoft
- · Replies 8 ·
Graduate Finding Lorentz Vector? -Physics Noob
- godtripp
- · Replies 2 ·
Undergrad Mass Reconstruction: What Does It Mean?
- godtripp
- · Replies 3 ·
Graduate Why neutrino may have magnetic moment
- Neitrino
- · Replies 4 ·
Graduate Matrix reppresentation of poincare group generators
- Bobhawke
- · Replies 6 ·
Undergrad Is our granite inspection table harmful?
- Jbcourt
- · Replies 2 ·
New improved html table of the nuclides
- granpa
- · Replies 5 ·
Graduate How reactive are protons and can they be confined in gas form?
- Drakkith
- · Replies 2 ·
Undergrad Primary information about nuclear potential
- sah-sah
- · Replies 3 ·
Graduate Weak force holds neutrons together?
- granpa
- · Replies 2 ·
Graduate Slowed muon decay in electron degenerate matter?
- web1313
- · Replies 4 ·
Undergrad Why Focus on Nucleus in Alpha-Particle Scattering and Not Electrons?
- ryan9907
- · Replies 2 ·
Graduate I understand that free neutrons are unstable and decay within about 10
- benmww
- · Replies 1 ·
Graduate Parity of the anti neutral kaon
- MarkusNaslund19
- · Replies 2 ·
Graduate For which subatomic particles do we have empirical evidence?
- murshid_islam
- · Replies 16 ·
Graduate What happens when two evanescent Hawking pairs form at the same point?
- thepemberton
- · Replies 2 ·
Graduate Can neutrino mass eigenstate couple to the group of SU(2)
- thoms2543
- · Replies 4 ·
Graduate What are the different contributions to an object's mass?
- mwinaz
- · Replies 15 ·
Graduate Is a Plasma Shield Possible for Military Vehicles?
- Kalrag
- · Replies 5 ·
Graduate Questions about chiral symmetry breaking
- j1221
- · Replies 5 ·
Graduate Understanding Proton Collisions in Particle Accelerators
- madhatter106
- · Replies 1 ·
Graduate Conservation of weak hypercharge and isospin
- michael879
- · Replies 30 ·
Graduate Does particle A always travel distance d to catch particle B?
- phymatter
- · Replies 1 ·
Graduate How Can We Determine Recoil Nuclei Kinetic Energy in a Nuclear Reaction?
- jackjoo87
- · Replies 1 ·
Graduate LHC says quarks still elementary
- Vanadium 50
- · Replies 10 ·
Graduate Penning Trap Question: Causes of Axial Oscillation
- jonlg_uk
- · Replies 1 ·
Graduate Spontaneous mass formation from Energy
- nomadreid
- · Replies 4 ·
Graduate Better Understanding Antimatter Annihilation?
- piareround
- · Replies 3 ·
Graduate What's the meaning of spin in 1+1 spacetime?
- ingenue
- · Replies 1 ·
Graduate Why is the strong force attractive inside nucleons if it's repulsive below 1.5 fm?
- JZR
- · Replies 8 ·
Undergrad Questioning Physics: Is Mass-Energy Conversion Possible?
- wilhelm96
- · Replies 5 ·
Graduate Divergence of forward Bhabha/Moller scattering
- Xela
- · Replies 14 ·
Watch LHC Operation in realtime
- abbottsys
- · Replies 5 ·
Undergrad Particle collisions at the LHC
- Hioj
- · Replies 3 ·
Graduate Annihilation and energy occurance
- humsafar
- · Replies 22 ·
Graduate Why does a proton convert to a neutron in positron emission if the proton is lighter?
- cylinder
- · Replies 8 ·
Undergrad Why lead can be used for protection ?
- lionelwang
- · Replies 15 ·
Graduate Possible simple reason for nuclear confinement and asymptotic freedom
- Riad
- · Replies 2 ·
Graduate 2 strong nuclear force questions
- Archosaur
- · Replies 3 ·
Graduate Can Virtual Photons Be Detected and Measured?
- physic31415
- · Replies 6 ·
Undergrad Why is the mean lifetime of radioactive decay the reciprocal of the decay constant?
- roshan2004
- · Replies 1 ·
Graduate Is making AH(Anti-Hydrogen) illegal?
- JesterC
- · Replies 8 ·
Graduate Is it possible for a pion to decay into a proton and a photon?
- Kenai
- · Replies 5 ·
Graduate New two-particle correlations observed in the CMS detector at the LHC
- arivero
- · Replies 10 ·
Graduate Can Pythia generate electron-neutrino interactions?
- farshid2000
- · Replies 4 ·
What is the Numerical Listing of Particles?
- chis
- · Replies 1 ·
Graduate How are particles defined in lattice QCD without creation operators?
- Demystifier
- · Replies 26 ·
Graduate Positron-electron annihilation in matter
- seerongo
- · Replies 5 ·
High School Understanding Charge Measurements
- physics369
- · Replies 1 ·
Graduate Which forces should we try to unify next after electroweak
- ClamShell
- · Replies 23 ·
Undergrad Where to find the muon decay constant
- RK1992
- · Replies 6 ·
Graduate Nuclear fusion and strong force
- humsafar
- · Replies 34 ·
Graduate Does a nuclear explosion in outer space generate space waste at all?
- petergreat
- · Replies 6 ·
Graduate How is negative ion acceleration possible?
- Strat-O
- · Replies 3 ·
Graduate ITER at World Energy Congress: Will 500MW from 50MW be Achieved?
- Dr Lots-o'watts
- · Replies 3 ·
Graduate What is the Fusion Rate of Protons and Boron-11?
- Drakkith
- · Replies 4 ·
Graduate Why are W and Z bosons considered force carriers?
- Eelco
- · Replies 13 ·