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Graduate Polarisation vector vs spin vector
- Neitrino
- · Replies 1 ·
Graduate Particle physics: energy conservation
- kylie14
- · Replies 2 ·
Graduate Understanding Parton Shower: An Introduction to QCD Processes on Colliders
- Phiphy
- · Replies 4 ·
Undergrad Real vector plus complex vector
- Neitrino
- · Replies 1 ·
Graduate Why use commutators instead of propagators to check causality in QFT
- Phiphy
- · Replies 5 ·
Graduate Could the LHC produce a hyperdrive?
- hammertime
- · Replies 1 ·
Graduate Why doesn't the free vacuum transform under Poincare?
- Riposte
- · Replies 59 ·
Graduate Helicity states degrees of freedom
- Neitrino
- · Replies 3 ·
Graduate Radiation Dose Rate Calculation w/ Gamma Ray Sources
- pone
- · Replies 1 ·
Graduate Why is the total energy negative for bound systems like hydrogen atoms?
- SANGHERA.JAS
- · Replies 3 ·
Undergrad Difference between beta particles and electrons
- vishnu1692
- · Replies 1 ·
Undergrad Can we see elementary particles?
- EinsteinII
- · Replies 10 ·
Graduate String theory - Homology and Homotopy
- wodhas
- · Replies 1 ·
Undergrad Calculate Range of Strong Nuclear Force with Gluon Energy
- daviddanut
- · Replies 13 ·
Graduate Pauli lubanski pseudo vector in spin representation
- rntsai
- · Replies 1 ·
Graduate Limit at which Strong Nuclear force = Electromagnetism
- daviddanut
- · Replies 1 ·
Graduate Could GUT be wrong (i.e unrealized in nature)?
- ensabah6
- · Replies 16 ·
Undergrad How to view light absorption by atoms
- klij
- · Replies 4 ·
Graduate Why Proton-to-Neutron Conversion Does Not Happen All the Time
- RedX
- · Replies 7 ·
Graduate High Temperaure Plasma's behavior with other solids and liquids a Room Temp
- piareround
- · Replies 2 ·
Graduate Understanding Decay Angle of Spin Angular Momentum
- Manojg
- · Replies 6 ·
Graduate Quantum numbers of a field acquiring vacuum expectation value
- krishna mohan
- · Replies 2 ·
Graduate Why can't quark colors be reduced to two independent basis states?
- JustSam
- · Replies 13 ·
Graduate Difference between pion and rho
- dsfranca
- · Replies 9 ·
Undergrad Thesis statement for my essay on the LHC
- Entropee
- · Replies 2 ·
Graduate How would a small antimatter blob create a huge explosion in air?
- Nick89
- · Replies 21 ·
Graduate Representations of Lorentz group
- rntsai
- · Replies 12 ·
Undergrad Heat energy in fission reactions.
- Infrasound
- · Replies 1 ·
Graduate Infinite cross section in scattering
- gop
- · Replies 8 ·
Graduate Particle beams in space rockets
- ARYT
- · Replies 6 ·
Graduate Is the Higgs Particle the Sole Determinant of Inertia?
- Zman
- · Replies 1 ·
Graduate Spontaneous Symmetry breaking-weinberg's chair
- krishna mohan
- · Replies 2 ·
Graduate Strong versus weak interactions
- RedX
- · Replies 4 ·
Undergrad Short wavelengths carry no energy?
- dlevanchuk
- · Replies 8 ·
Graduate Why does the GIM mechanism suppress FCNC at tree level?
- maani
- · Replies 1 ·
High School What happens when two neutrons collide?
- jpulizari
- · Replies 3 ·
Graduate Does antimatter fall up in a gravitational field of matter?
- Robert Noel
- · Replies 18 ·
Graduate TeV gamma rays from AGN and Cherenkov detection with IACT
- marcus
- · Replies 2 ·
Undergrad Black holes are supposed to suck everything
- DZABHINAV
- · Replies 7 ·
Graduate Weak coupling strength constant
- neelakash
- · Replies 1 ·
Graduate How do particle physics, QFT, and second quantization relate?
- gop
- · Replies 8 ·
Graduate Do quarks in nucleons have orbital shells like electrons do?
- Helios
- · Replies 1 ·
Graduate Estimating the Value of Yukawa Coupling g for Neutron-Proton Scattering
- evilcman
- · Replies 1 ·
Graduate Intersize Particle Interaction
- gonegahgah
- · Replies 10 ·
Graduate Particle identification in detectors
- ghery
- · Replies 5 ·
Undergrad How much Energy exacltly is an MeV?
- EinsteinII
- · Replies 7 ·
Graduate Can Scientists Create Focused Beams of Subatomic Particles?
- earamsey
- · Replies 2 ·
Graduate Is poincare grouo simply connected?
- andrea.dapor
- · Replies 5 ·
Graduate LHC vs Cosmic Rays: What's the Difference?
- Dmitry67
- · Replies 4 ·
Graduate How is fusion initiated with a laser?
- PrincePhoenix
- · Replies 1 ·
Graduate Compton Edge and Gamma Spectroscopy
- zeebo17
- · Replies 3 ·
Graduate Fast neutrons vs thermal neutrons
- nuke21
- · Replies 1 ·
Undergrad Is the glowing substance in microwaves real plasma?
- 8LAK
- · Replies 1 ·
Undergrad Beta decay fundamental question
- Smed
- · Replies 5 ·
Graduate Calculating energy released from beta decay
- tyrant91101
- · Replies 1 ·
Undergrad Why do radioactive nuclei decay at different times if decay is random?
- PrincePhoenix
- · Replies 8 ·
Graduate SM particles in highly curved spacetime
- ensabah6
- · Replies 3 ·
Is the Correct Way to Write Reactivity in Dollars $0.43?
- Smed
- · Replies 1 ·
Graduate Neutrino power extraction feasable?
- Blenton
- · Replies 4 ·
Graduate Can nuclear weapons explosion produce neutrino pluse ?
- magnetar
- · Replies 9 ·
Graduate Looking at the spin of 7N7 and 9F10
- bluestar
- · Replies 1 ·
Graduate Z Boson, Posiron-Electron Annihilation.
- Matteus92
- · Replies 2 ·
Graduate Exact Gauge Symmetry of the Standard Model
- sweetser
- · Replies 5 ·
Graduate What is Gauge Invariance in QFT?
- izh-21251
- · Replies 15 ·
Graduate Large Hadron Collider questions
- BuddyPal
- · Replies 4 ·
Graduate Antibaryon Matter: Is it Observed on Earth?
- trini
- · Replies 1 ·
Undergrad Why does FISSION release energy?
- mahela007
- · Replies 8 ·
Graduate How do GM tubes detect charged particles in a hadron collider?
- poojarao
- · Replies 2 ·
High School Rutherford's gold foil experiment
- johncena
- · Replies 10 ·
Graduate Muon decay and internal structure of leptons.
- Flynth
- · Replies 8 ·
Graduate Is magnetism important in particle interaction?
- magphys
- · Replies 2 ·
Graduate Local symmetry and forces, what book to read?
- aro
- · Replies 2 ·
Graduate Why search for the top quark with higher collision energies
- poojarao
- · Replies 2 ·
Undergrad Why is the Breit-Wigner profile used to describe gamma ray emissions?
- Rajini
- · Replies 2 ·
Graduate Lifetime of electrons and protons outside the nuclues.
- MathematicalPhysicist
- · Replies 15 ·
Undergrad Does Fission Affect Nuclear Fusion Rates?
- Christopher.V
- · Replies 6 ·
Graduate How can quarks form from nothing if energy is conserved?
- astro2cosmos
- · Replies 14 ·
Graduate Non relativistic limit for dirac propagator
- Sleuth
- · Replies 9 ·
Graduate How Do You Calculate Flavor-Spin Wavefunctions in Quantum Chromodynamics?
- Hepth
- · Replies 2 ·
Graduate Conformal symmetry group for R(1,3)
- Jim Kata
- · Replies 4 ·
Graduate Electron-pozitron annihilation, conservation of spin
- Naake
- · Replies 2 ·
Graduate Why do quarks have fractional charges if charge is quantized?
- astro2cosmos
- · Replies 2 ·
Can a graviton pull another graviton?
- menniandscience
- · Replies 17 ·
High School Building a cloud chamber: what metal sheet works best?
- Quantum_Grid
- · Replies 13 ·
Graduate Spin of photons/gamma ray transitions
- freeman2
- · Replies 1 ·
Graduate How does the mass ratio M_W/M_Z evolve with energy?
- heinz
- · Replies 3 ·
Who did I see at the bus stop today?
- madness
- · Replies 10 ·
Undergrad How to explain the mass deffect?
- mahela007
- · Replies 1 ·
Graduate How Can a Dineutron Be Produced?
- magnetar
- · Replies 3 ·
Graduate Calculating Acceptance Value (Acc) from MC Datasets - Kim
- penguindecay
- · Replies 8 ·
Graduate Would a theory with ONLY logarithmic divergencies be renormalizable ?
- zetafunction
- · Replies 1 ·
Graduate LHC restart at 3.5 TeV for 2009-2010 run
- Vanadium 50
- · Replies 10 ·
Graduate The W boson mass is exp(-4pi^2) of a Planck mass
- franoisbelfor
- · Replies 3 ·
Graduate Calculating Hadron Scattering Processes from the Strong Force
- RedX
- · Replies 6 ·
Graduate Are not the IR and UV divergences the same (mathematically)
- zetafunction
- · Replies 3 ·
Graduate Spin-2 exchange particle and GR
- bombadil
- · Replies 19 ·
Graduate How Does the Kinetic Energy Sum Relate to Total Energy in a System of Particles?
- Petar Mali
- · Replies 3 ·
Undergrad Create a home made muon or gamma ray detector?
- parazit
- · Replies 7 ·
Undergrad Converting cross section from GeV² to barn
- maani
- · Replies 14 ·
Graduate How did physicists predict anything about the Higgs boson?
- kashiark
- · Replies 2 ·