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.
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Graduate Why do up and down quarks pair with electrons rather than positrons?
- mathfeel
- · Replies 3 ·
Graduate Color in matrix element calculation
- kaksmet
- · Replies 6 ·
Graduate Eurostar: Search for: Higgs in ATLAS Experiment
- rhody
- · Replies 1 ·
Graduate Is Dark Matter Actually Neutral Mass?
- Fed
- · Replies 16 ·
Graduate What subgroup remains after spontaneous symmetry breaking of SU(2)×U(1)?
- krishna mohan
- · Replies 15 ·
Graduate Fitzgerald contraction for a proton in the Large Hadron Collider
- Loren Booda
- · Replies 1 ·
Graduate Energy production from deuterium plasma?
- malagrond
- · Replies 2 ·
Graduate Understanding Self-Consistency in Plasma Physics
- Arvindbhai
- · Replies 3 ·
Graduate What is vector-like matter?
- meha
- · Replies 12 ·
Graduate What does it mean if The universe was opaque to radiation at one time?
- land_of_ice
- · Replies 2 ·
Graduate Phenomenological aspects of ultra-high-energy collisions
- Alpha Orionis
- · Replies 6 ·
Graduate Higgs field and the casimir effect
- srfriggen
- · Replies 19 ·
Undergrad Lifetime of a decaying nucleus changes with temperature?
- Rajini
- · Replies 2 ·
Graduate Can Two Neutrinos Form a Black Hole?
- Jonnyb42
- · Replies 3 ·
Graduate Why does binding energy decrease nuclear mass if energy has mass?
- metalmaniac
- · Replies 1 ·
Undergrad Do free protons and neutrons bind on collision?
- ranrod
- · Replies 1 ·
Graduate Neutrinos That Need Directions
- IanTBlack
- · Replies 2 ·
Graduate Neutrino ocsillations, a question.
- Matsabd
- · Replies 2 ·
Graduate Mediators and propagators of particle interactions
- valleyman
- · Replies 5 ·
Undergrad How does mass defect relate to binding energy in nuclear reactions?
- Jerbearrrrrr
- · Replies 1 ·
Graduate How Do Virtual Photons Influence the Range of Electromagnetic Interactions?
- lilphil1989
- · Replies 3 ·
Graduate New finding with matter/anti-matter?
- CosmicCrunch
- · Replies 4 ·
Graduate Predicting the charge of a W boson
- tmonk
- · Replies 4 ·
Graduate How do I calculate energy from mass defect in fission reactions?
- physicsmaths
- · Replies 1 ·
Graduate What's the hard bremsstrahlung emission?
- tirwit
- · Replies 1 ·
Graduate Neutron generation from T(d,n)
- Xaritou
- · Replies 4 ·
Graduate GUT viable w/o SUSY? Could GUT be physically wrong?
- ensabah6
- · Replies 2 ·
Graduate Tevatron discovers CP violation in B meson decays
- Galap
- · Replies 3 ·
Graduate How Can Particles of Matter Be Massless?
- cosmolojosh
- · Replies 16 ·
Graduate Nuclear physics and the oil spill.
- Freeman Dyson
- · Replies 14 ·
Graduate Baryon singlet representation for SU(3) flavour symmetry
- Pietjuh
- · Replies 6 ·
Graduate What is the connection between path integrals and cross sections?
- earth2
- · Replies 1 ·
Graduate What is the correct charge conservation at a vertex in a decay process?
- barnflakes
- · Replies 17 ·
Graduate The weak force and effective coupling
- ian2012
- · Replies 2 ·
Graduate Is my Feynman diagram for K+ decay via W boson correct?
- billbray
- · Replies 4 ·
Graduate Gravity's Impact on W and Z Bosons
- threadmark
- · Replies 11 ·
Graduate Are particles frame independant?
- TCS
- · Replies 22 ·
Graduate Why Alpha Particle Decay Q Leads to Lifetime Change
- hhhmortal
- · Replies 2 ·
Graduate Particle collisions with magnetic forces
- threadmark
- · Replies 12 ·
Graduate Representations of the Poincare group
- tom.stoer
- · Replies 2 ·
Graduate Is the Nucleus Just a Clump of Quarks or Are Protons and Neutrons Grouped?
- Jonnyb42
- · Replies 1 ·
Graduate QED in 3D -> QED in 1D, what changes?
- Spinnor
- · Replies 15 ·
Graduate Distribution of particle energy in 3He fusion
- MnemosyneAH
- · Replies 5 ·
Graduate Explain GIM & FCNCs: Quark Gen, Cabbibo Suppression
- aw7879
- · Replies 2 ·
Graduate Bhabha Scattering: Relative Sign Difference & Fermi Statistics
- guestspeaker
- · Replies 6 ·
Graduate 2 questions - virtual particles and quarks?
- rasp
- · Replies 21 ·
Graduate Higgs field issues of detection?
- poreguppy
- · Replies 4 ·
Graduate Are gamma rays produced in fusion reactions?
- MnemosyneAH
- · Replies 4 ·
Graduate K+ Decay: Speculative or Feasible?
- billbray
- · Replies 4 ·
Graduate What Are Non-Minimal Couplings in Particle Interactions?
- micomaco86572
- · Replies 4 ·
Graduate How do you build a betatron and what radiation does it produce?
- libbon
- · Replies 10 ·
Undergrad How to read a Gamma Ray Spectrum
- krizam
- · Replies 2 ·
Graduate Is There an Infinitely Small Particle That Makes Up Everything?
- Kaa
- · Replies 4 ·
Undergrad Building a 10 gallon cloud chamber without dry ice
- superpaul3000
- · Replies 4 ·
Graduate Inverse Beta Decay: Can Free Protons Change to Neutrons?
- Dadface
- · Replies 5 ·
Graduate Electron-positron annihilation as an energy source?
- miscellanea
- · Replies 8 ·
Undergrad Is it possible to make non-radiactive gold?
- MaxManus
- · Replies 9 ·
Graduate Problems on quantum field operators in QFT
- Dyson
- · Replies 2 ·
Graduate Can sound waves disrupt atomic particles?
- PipBoy
- · Replies 2 ·
Graduate Why do QFT charges belong to the root lattice of the gauge group?
- wilcherrera
- · Replies 3 ·
Graduate Do Gluon's have a magnetic dipole moment ?
- cragar
- · Replies 7 ·
Graduate Equation for electron probability as a function of radial distance?
- Karmic Leprec
- · Replies 7 ·
Graduate Strong Nuclear force (Yukawa's interaction Vs QCD)
- ghery
- · Replies 5 ·
Undergrad Is the Meissner effect responsible for a magnet floating above a superconductor?
- Relena
- · Replies 13 ·
Undergrad Alpha decay and its relationship to speed
- solaris123
- · Replies 4 ·
Undergrad Is it possible to build a vertical particel accelator?
- future_think
- · Replies 6 ·
Graduate What is the threshold energy for gamma+e→3e and gamma→e⁺e⁻ reactions?
- Starwanderer1
- · Replies 1 ·
Graduate Photon Polarization Sum - Simplifying Amplitudes with Photon Polarizations
- Hepth
- · Replies 2 ·
Graduate Does a W- boson have electric charge like an electron?
- billbray
- · Replies 5 ·
Graduate What is the significance of global fit in EW precision tests?
- fortuneteller
- · Replies 3 ·
Graduate Feynman's Paradox: Solving the Mystery of the Rotating Disk | Solution Revealed
- availablegod
- · Replies 12 ·
Graduate Does the Z boson couple to photons?
- maani
- · Replies 7 ·
Graduate Momentum direction convention for Dirac spinor propagators
- Hepth
- · Replies 5 ·
Download Yukawa's 1935 Paper - Proc. Phys. Math. Soc. Japan 17 48
- Geremia
- · Replies 2 ·
Graduate Are all of the quantum numbers of anti-particles opposite
- Radiohannah
- · Replies 3 ·
Graduate Why can't uuu and ddd appear on spin-half quark diagrams?
- barnflakes
- · Replies 7 ·
Graduate What does Weinberg mean by matter being put in by hand?
- fsoica
- · Replies 2 ·
Graduate Where does the name charm quark come from?
- blechman
- · Replies 8 ·
Graduate Problems with electromagnet force and weak force
- Rico L
- · Replies 6 ·
Graduate Why does QED work so well? - a question on EFTs
- metroplex021
- · Replies 7 ·
Undergrad Does physical state affect X-ray attenuation coefficient?
- Simon43254
- · Replies 10 ·
Graduate QCD Coulomb Singularity: Quarkonium w/ 2 Gluons
- mariamskhan
- · Replies 6 ·
High School High school chemistry research paper on plasma
- Brett13
- · Replies 1 ·
Graduate Mass Spectrometry: Determining Unknown Radiation Properties
- molian
- · Replies 1 ·
Graduate Day at LHC timelapsed to 4:45 minutes
- rhody
- · Replies 3 ·
Graduate Conserved charge as symmetry generator in Peskin & Schroeder
- topper
- · Replies 14 ·
Graduate QCD theta angle and Neutron electric dipole moment
- ansgar
- · Replies 3 ·
Graduate Why is mass essential to physics and the standard model?
- dce
- · Replies 50 ·
Graduate Meaning of \gamma{\mu}, \gamma{\nu} in Rows 1,2,3
- sunkesheng
- · Replies 4 ·
Graduate Gravity is made of gravitons ?
- Klaus_Hoffmann
- · Replies 4 ·
Graduate Messenger photon in electromagnetism intractions
- mohsen1989
- · Replies 3 ·
Graduate Is there such thing as rest mass.
- Simon43254
- · Replies 4 ·
Graduate Does it take a long time or a short time for gamma rays to reach the photosphere
- land_of_ice
- · Replies 1 ·
Graduate Time reversal and Coulomb interaction
- krishna mohan
- · Replies 2 ·
Undergrad Why Is Helium Safe to Inhale but Alpha Particles Are Harmful?
- littlebilly91
- · Replies 5 ·
Graduate What practical applications could come from LHC discoveries?
- Thetom
- · Replies 7 ·
Graduate Particle collision/interaction
- threadmark
- · Replies 9 ·
Graduate Neutrino-AntiNeutrino Collisions: EM Field?
- cragar
- · Replies 9 ·
High School Small Question on Transmutation
- RestlessMind
- · Replies 2 ·
Graduate What is transversity and transverse spin?
- tatiana_eggs
- · Replies 1 ·