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 Tunneling to a lower energy vacuum state
- lark
- · Replies 9 ·
Graduate Can neutrinos cause Cherenkov radiation?
- Ralphonsicus
- · Replies 7 ·
Graduate Why does parity flip the antiquark wavefunction but not the quark?
- JoePhysicsNut
- · Replies 2 ·
Graduate What does it mean, The Higgs boson is an excitation of the higgs field
- silvercats
- · Replies 11 ·
Graduate Sign of the time derivative of the Majorana Lagrangian
- JustMeDK
- · Replies 1 ·
Graduate Building a Cyclotron: Learn, Ask and Find Equipment
- tachyon_man
- · Replies 1 ·
Graduate Higgs, neutrinos, and standard model status
- bsaucer
- · Replies 1 ·
Graduate Two easy questions for particle physicists
- metroplex021
- · Replies 11 ·
Graduate Converting photon self-energy to momentum space
- PineApple2
- · Replies 2 ·
Graduate Do Particle-Antiparticle Annihilations Emit Detectable X-rays in Space?
- PhyHunter
- · Replies 8 ·
Graduate What experimental evidence exists for string theory?
- huhjinsoo
- · Replies 5 ·
High School Top strange bottom charm quark
- huhjinsoo
- · Replies 4 ·
Graduate Dimensional analysis of the fermion mass renormalization
- phypar
- · Replies 2 ·
Undergrad How to test for radium contamination in rooms and bodies
- mcriv880
- · Replies 2 ·
Graduate Accelerator size and probe scale relationship?
- C10
- · Replies 1 ·
Graduate Are superconducting galvanic cells possible?
- Bohr'nReady
- · Replies 1 ·
Graduate What is a neutron? (if not an electron inside a proton)
- davidyanni10
- · Replies 7 ·
Graduate Convention for italicizing particle symbols
- Mithra
- · Replies 1 ·
Graduate Understanding Colour Octet States in SU(3) Transformations
- Sekonda
- · Replies 11 ·
Graduate Spin of Particle and Antiparticle: Same or Different?
- stjimmee
- · Replies 4 ·
Graduate How to change and detect electron spin orientation
- kaseron
- · Replies 1 ·
Graduate How Are Positrons Created in Particle Accelerators?
- tinypositrons
- · Replies 6 ·
Graduate Pair-production - how come it's always e+e-, never muons or tauons?
- Doofy
- · Replies 12 ·
Graduate Ionizing Radiation in a Cloud Chamber
- rkum99
- · Replies 8 ·
Graduate Why is the Klein-Nishina formula so difficult to prove?
- M. next
- · Replies 7 ·
Graduate Why Higgs produces different masses for electron and muon
- bcrowell
- · Replies 4 ·
Graduate Higgs - interactions and forces; distinction between these?
- Paulibus
- · Replies 17 ·
Graduate Is the particle discovered at CERN the Higgs boson?
- Demystifier
- · Replies 2 ·
Graduate How do cations striking the cathode produce detectable current in a Penning gauge?
- terryphi
- · Replies 1 ·
Graduate Where to start learning about the Higgs boson and mass
- Beer w/Straw
- · Replies 5 ·
Undergrad Generating Energy with Plutonium: 2kW Requirement
- Numeriprimi
- · Replies 6 ·
Graduate Antimatter colliding with matter
- BMW
- · Replies 5 ·
Graduate How do mesons not self-destruct?
- tinypositrons
- · Replies 1 ·
Graduate Are fundermental particles failed universes?
- brianhurren
- · Replies 5 ·
Graduate Identification of radiation source from gamma spectrum peaks.
- wsomma
- · Replies 2 ·
Graduate Antineutrons, protons, electrons
- dayglo
- · Replies 1 ·
Graduate What is the diference between right handed neutrinos And quarks?
- the_pulp
- · Replies 3 ·
Graduate Why is parity maximally violated in Wu's experiment but conserved in nuclear β-decay?
- JoePhysicsNut
- · Replies 3 ·
Graduate Boltzmann distribution for particle energy
- Alfred Cann
- · Replies 16 ·
Graduate Fermi energy of nucleus
- gildomar
- · Replies 6 ·
Graduate Simple group theory vocabulary issue
- JoePhysicsNut
- · Replies 2 ·
Graduate How big is the standard model?
- the_pulp
- · Replies 10 ·
Graduate Question on whether positron/Down Quark can be fused.
- 42supernerd
- · Replies 5 ·
High School Why do some radioactive elements emit a green glow?
- SUDOnym
- · Replies 3 ·
Graduate New results indicate that new particle is a Higgs boson
- Drakkith
- · Replies 11 ·
Graduate Neutral pseudo meson decay into neutrino antineutrino
- shakeel
- · Replies 2 ·
Graduate Why quarks' wave functions are eigenstates of I and Iz
- LayMuon
- · Replies 9 ·
Graduate Why does χᵀεχ = 0 in the Majorana mass term?
- phypar
- · Replies 8 ·
Graduate Difference between continuum and Planck-scale lattice limits
- anorlunda
- · Replies 1 ·
Graduate Luminosity, Intensity and flux
- shakeel
- · Replies 1 ·
Graduate Is There a Relationship Between Phase Space and Entropy in Particle Decay?
- shakeel
- · Replies 1 ·
Graduate Global Symmetries: Understanding ##T^a##s and (1.10)
- rbwang1225
- · Replies 1 ·
Graduate Magnitude of Fissile Element at the Order of a Neutron.
- nucerl
- · Replies 1 ·
Graduate How do you combine the strong and weak force equations mathematically?
- Anik Azad
- · Replies 1 ·
Graduate Can Plasma Be Polarized and How Does It Interact with Electric Currents?
- KingofSpace
- · Replies 2 ·
Graduate Why are the same particles produced in collisions every time?
- JamesClarke
- · Replies 8 ·
Graduate Holes=positrons in the Dirac Sea?
- anorlunda
- · Replies 2 ·
Graduate Axial current matrix element for pseudoscalar mesons
- Nixom
- · Replies 1 ·
Undergrad Identifying trails in a Cloud Chamber
- Sweeney
- · Replies 2 ·
Graduate Elementary/irreducible particles
- coktail
- · Replies 5 ·
Graduate Energy Reconstruction in Gamma Spectroscopy
- Cmertin
- · Replies 5 ·
Graduate Why did we search for higgs boson when we knew it couldn't be useful?
- Negeng
- · Replies 23 ·
Graduate Electron as a solution to Maxwell's Eqns
- msumm21
- · Replies 5 ·
Graduate How the 3 atoms of Ununoctium were produced?
- tsuwal
- · Replies 2 ·
Graduate What are classons and weakons particles?
- aemla
- · Replies 3 ·
Graduate Energy-mass equiliance and mass defect
- nickek
- · Replies 4 ·
Graduate What are the SU(3) structure constants and how can they be calculated?
- Safinaz
- · Replies 3 ·
Graduate H -> W+W- -> e+e- Why are the electron/positron collimated?
- Mithra
- · Replies 8 ·
Graduate Statement about Forbidden Alpha decay transitions.
- Silversonic
- · Replies 3 ·
Graduate Thesis topic: Lie groups and Lie algebras in nuclear and particle physics
- abs.manik
- · Replies 1 ·
Undergrad How do I determine the half life of an alpha particle?
- Galactonaut
- · Replies 9 ·
Graduate Do ITER test blanket modules surround the full plasma or just sections?
- fys iks!
- · Replies 1 ·
Undergrad Why is the speed of light a constant in relativity?
- John Cox
- · Replies 3 ·
Graduate My dilemma with protons/antiprotons and neutrons/antineutrons
- marshallmeyer1
- · Replies 2 ·
Graduate Why does π⁰ have G-parity −1 if its isospin state is |1,0⟩?
- copernicus1
- · Replies 3 ·
Graduate Energy dissipated by a nuclear fission
- jaumzaum
- · Replies 1 ·
Graduate Does the Widom-Larsen weak interaction theory explain low energy nuclear reactions?
- phyzguy
- · Replies 6 ·
Graduate Why do nuclei like Uranium and Thorium have such long half lives?
- iced199
- · Replies 8 ·
Graduate Explanation of quadratic divergence in higgs mechanism
- pleasehelpmeno
- · Replies 3 ·
Graduate Decay rate and lifetime of Z Boson
- yeveat
- · Replies 2 ·
Graduate How Do Quark Spin States Influence Particle Symmetry and Identification?
- Gregg
- · Replies 5 ·
Graduate What properties distinguish a particle from its antiparticle?
- ShayanJ
- · Replies 10 ·
Undergrad Dark matter, electron-positron
- Crazymechanic
- · Replies 6 ·
Graduate Why the Casimir operator is proportional to the unit matrix ?
- Wonchu
- · Replies 2 ·
Graduate Is spin one still possible for the Higgs?
- John le Roy
- · Replies 2 ·
Graduate Bethe formula Bragg curve not peaking in Excel spreadsheet
- Moho
- · Replies 1 ·
Graduate Is Information Preserved in Annihilation Processes?
- Bone
- · Replies 1 ·
Undergrad Duration of Radioactive Contamination
- SilverStud
- · Replies 5 ·
Graduate 2 dimensional chiral boson theory
- rbwang1225
- · Replies 2 ·
Graduate How is the error in the expanded equation (9) identified and resolved?
- Forhad3097
- · Replies 2 ·
Graduate Can We Create Elements Higher Than Helium in a Terrestrial Fusion Reactor?
- vemvare
- · Replies 16 ·
Graduate Is the Higgs Mass Linked to Vacuum Instability?
- bcrowell
- · Replies 2 ·
Graduate Variation in radioactive decay rates
- leonr@shaw.ca
- · Replies 3 ·
Graduate Does mass increase as objects approach light speed in special relativity?
- Ralphonsicus
- · Replies 4 ·
Graduate How can a neutral pion be a superposition of quark states?
- dEdt
- · Replies 2 ·
Graduate Higgs Boson = Universe is False Vacuum?
- Jarwulf
- · Replies 1 ·
Graduate Bosons are the glue that hold fermions together
- g.lemaitre
- · Replies 12 ·
Graduate Notation confusion; |\pi N; I, I_3> states
- Gregg
- · Replies 4 ·
Undergrad How to do local Physics Analysis ?
- welatiger
- · Replies 6 ·
Graduate How to maintain CPT invariance in Kaon oscillations
- SteDolan
- · Replies 8 ·